Telecommunications Abbreviations and Acronyms Speakeasy Speed Test Index 0-9|A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z

Consultation ERKAN is pleased to provide this living document for unlocking the evergrowing vocabulary of Abbreviations and Acronyms of the Telecommunications w orld, including those of the early days before the word "Digital" was coined. We striv e to include all relevant and update the database frequently. Our coverage of more than 40,000 enteries is not "complete", contributions are gratefully acc epted. back to top - 0-9 A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z 0TLP

Zero Transmission Level Reference Point

1/e 10ARSS 10B12B 10B2 10BT 10FR 10FSL 10X 12X 16CIF 1AESS 1AN 1ASES 1AVSS 1BTSPS 1EAX 1ESS 1FR 1MM 1MMS 1MR 1N 1NF 1P 1PSS 1STP 1TSPS 1X 1XB

First Edition No. 10A Remote Switching System 10-Bits/12-Bits 10Base2 10BaseT Ten Party Flat Rate 10.0 File System Layout 10-Speed 12-Speed 16 times CIF No. 1A Electronic Switching System No. 1A Network Control Point No. 1A Service Evaluation System No. 1A Voice Storage System No. 1B Traffic Service Position System No. 1 Electronic Automatic Exchange No. 1 Electronic Switching System One-Party Flat Rate 1 Meg Modem 1 Meg Modem Service One-Party Message Rate No. 1 Network Control Point First Normal Form 1-Party Line (Individual Line) No. 1 Packet Switching System No. 1 Signal Transfer Point No. 1 Traffic Service Position System Single-Speed No. 1 Crossbar

2 Dr 2/e 2ASTP 2B1Q 2BESS

2 Draht (2 Wire) Second Edition No. 2A Signal Transfer Point Two Binary One Quaternary No. 2B Electronic Switching System

2D 2Dr 2DT 2EAX 2ESS 2FR 2FRR 2FRT 2MI/O 2MXC 2N 2NF 2P 2PPAPM 2STP 2W 2WC 2WTI 2WW 2X

2-Dimensional 2 Draht (2 Wire) Second Dial Tone No. 2 Electronic Automatic Exchange No. 2 Electronic Switching System Two Party Flat Rate Two Party Flat Rate Ring Two Party Flat Rate Tip 2 Mbit/s Input/Output 2 Mbit/s Cross Connect No. 2 Network Control Point Second Normal Form 2-Party Line Two-Pulse Amplitude and Phase Modulation Modem No. 2 Signal Transfer Point 2-Wire Two-Way Call 2-Wire Trunk Interface Two-Way WATS Double Speed (2-Speed)

3-D 3/e 3AU 3B2T 3CL 3D 3D-TV 3DA 3DES 3DOF 3DR 3ESS 3GL 3NF 3P 3PC 3PDT 3PST 3PTY 3PTY 3RD NUM 3WC 3WC 3WC/CT 3WC/CXR 3WUB 3X 3XB

3-Dimensional Third Edition 3.1 kHz Audio Three Binary Two Ternary Three Current Loop 3-Dimensional Three-Dimensional Television 3-Dimensional Architecture Triple DES Three Degrees of Freedom 3DRender No. 3 Electronic Switching System Third Generation Language Third Normal Form Three Pole Third Party Connect Three Pole, Double Throw Three Pole, Single Throw Three Party Three Party Conference Third Number Three-Way Calling Three-Way Call Three-Way Calling/Call Transfer Three-Way Calling/Call-Transfer (Flash) Three-Way Calling Public Triple Speed (3-Speed) No. 3 Crossbar

4 Dr 4/e 4AETS 4AXB 4B/3T 4B3T 4CIF 4D 4Dr 4ESS

4 Draht (4 Wire) Fourth Edition No. 4A Electronic Translator System No. 4A Crossbar Switching System Four Binary/Three Ternary Four Binary Three Ternary 4 times CIF Four-Dimensional 4 Draht (4 Wire) No. 4 Electronic Switching System

4FR 4FRN 4GL 4P 4P 4PAM 4PDT 4PST 4W 4WC 4WTI 4WTS 4X 4XB

Four Party Flat Rate Four-Fiber-Ring Node Fourth-Generation Language Four Pole 4-Party Line Four-Level Pulse Amplitude Modulation Four Pole, Double Throw Four Pole, Single Throw 4-Wire Four-Way Call 4-Wire Trunk Interface Four Wire Terminating Set Quadruple Speed (4-Speed) No. 4 Crossbar Switching System

5/e 56C 5B/4B 5ESS 5RSM 5X 5XB

Fifth Edition 56 kbps Circuit Mode Data Five Bits/Four Bits No. 5 Electronic Switching System 5ESS Remote Switching Module Pentuple Speed (5-Speed) No. 5 Crossbar Switching System

6/e 64C 68K 6DOF 6WC 6X

Sixth Edition 64 kbps Circuit Mode Data Motorola 68xxx-Series Microprocessor Six Degrees of Freedom Six Way Calling Sextuple Speed (6-Speed)

7D

Seven Digit number

88K 8FR 8P 8X

Motorola 88xxx-Series Microprocessor Eight Party Flat Rate 8-Party Line Octuple Speed (8-Speed)

9

Nine

back to top|0-9 - A B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z A A A A A A A A A A A A A A Å A

Accepted Access (link) Accumulator Acknowledgement Activation Actual Adaptation Address Address field Address-Recognized Agent Aggregate Amper Ampere(s) Angström Application Layer

A a a A A A&D A&E A&M A/A A/C A/D A/D A/D A/E A/G A/N A/PC A/R A/S A/S/C A/SYS A/V a1 A1S a2 l equipment A3 A5/1 A5/2 A8 AA AA AA AA AA AA AA AA AA A-A AA1 AAA AAA AAA AAAS AAB AAB AABN AABS AABS+ AAC AACS AAD AAE AAE AAF AAI AAK AAL AAL1

Application Layer Service Archive Library Atto... (10-18) Availability Hypertext Anchor (HTML tag) Analysis and Design Arts and Entertainment Network Additions and Modifications Analog to Analog Air Conditioner Add/Drop Analog-to-Digital analogue-to-digital Actual to Estimated Air to Ground Aphanumeric Auto PC Alternate Route Asynchronous/Synchronous Alarm, Status, and Control Access System Audio/Visual a-wire connection at the terminal equipment input port All Ones a-wire connection at the output port of a series-connected termina Authentication Algorithm A3 Encryption Algorithm A5 Encryption Algorithm A5 Algorithm A8 Absolute Address Access Agent istrative Authority Alternate Addressing Application Assistant Application Association ATM Adaptor Audit Agent Automatic Answer Analog to Analog ATM Adaptor, Type 1 Authentication, Authorization and ing Authentication, Authorization, istration Automated Acquisition Access American Association for the Advancement of Science Automatic Alternative Billing Automatic Answerback AMA Alternate Billing Number Automated Alternate Billing Service Automated Alternate Billing Service Plus Application Access Conditions Air and Airways Communication System Analog Alignment Disk ATM Adaptation Entity Auxiliary Access Equipment Advanced Authoring Format Alarm/Action Indicator Answer Agent Key ATM Adaptation Layer ATM Adaptation Layer 1

AAL-1 AAL2 AAL-2 AAL3 AAL-3 AAL-3/4 AAL4 AAL-4 AAL5 AAL-5 AAL-CU AALM AALME AALP AAN AANS AAP AAP AAPI AAR AAR AARE AARE AARQ AARQ AAS AAS AAS AAT AAT AAT AAT AAT AATP AAU AAU AAV AAx AB AB AB AB AB AB ABA ABATS ABB ABB ABBH ABBR ABBR ABBT ABC ABC ABC ABC ABC ABC ABC ABC

ATM Adaptation Layer 1 ATM Adaptation Layer 2 ATM Adaptation Layer 2 ATM Adaptation Layer 3 ATM Adaptation Layer 3 ATM Adaptation Layer 3/4 ATM Adaptation Layer 4 ATM Adaptation Layer 4 ATM Adaptation Layer 5 ATM Adaptation Layer 5 AAL Composite AAL Management AAL Management Entity ATM Adaptation Layer Parameters ATM Access Node Auto Answer Alternate Access Provider Atomic Action Protocol Applet Application Programming Interface Automatic Alternate Routing Automatic Alternative Routing A-Associate REsponse A-ASSOCIATE response/confirm A-Associate ReQuest A-ASSOCIATE request/indication Abbreviated Address Signal Advanced Automation System Automatic Announcement Subsystem Agent Architecture Team Automatic Answer Trunk Automation of Analysis Tools Availability Analysis Tool Average Access Time Away Across The Pond Audio Access Unit Automatic Answering Unit Agile Autonomous Vehicle (Four-Legged Robot Vehicle) ATM Adaptor, Type x Abbreviated Business Group Extension Number Access Burst Affected By Answer Back Automated Bibliography Postal code for Alberta Additional Buffer Allocation Automatic Bit Access Test System Aggregate Building Block Assea Brown Boveri (S-D-CH) Average Bouncing Busy Hour Abbreviated Abbreviation Automatic Board-to-Board Testing Abstract Base Class Alcatel Business Communication American Broadcasting Company Answer-Back Code ATM Bus Controller Australian Broadcasting Corporation Auto Billing Calling Automatic Background Control (video)

ABC ABC ABC ABCB ABCE ABCE ABCEACC ABCETACC ABCN ABD ABD ABDA ABDB ABE ABEND ABET ABF ABH ABH ABI ABIOS ABL ABL ABM ABM ABM ABNF ABNN ABO ABOM ABR ABR ABR ABRT ABS abs ABS ABS ABS ABS ABS ABS ABS ABS ABSBH ABSS ABT ABT ABT/DT ABT/IT ABTT ABU AC AC AC AC AC AC AC AC

Automatic Bass Control Automatic Brightness Control Automatic Business Connections AB Control Block ATM Broadband Control Element Automatic Bridged Call Exclusion Automatic Bridged Call Exclusion Access Codes Automatic Bridged Call Exclusion Toggle Access Code AMA Business Customer ID Abbreviated Dialing Average Business Day Automated Bilingual Directory Assistance A/B Trunk Data Block Audited Build Executor Abnormal End Accreditation Board for Engineering and Technology Application By Form ABCD Bit Handler Average Busy Hour Application Binary Interface Advanced BIOS Area Business Listing Automatic Business Listing Access Bandwidth Manager Asynchronous Balanced Mode ATM Buffer Manager Augmented BNF Add Bridged Night Number Automatic Build-Out A-bis Operations and Maintenance Answer/Bid Ratio Area Border Router Available Bit Rate A-ABORT request/indication ABSolute Absolute Value Acrylonitrile Butadiene Styrene copolymer (plastic) Alarm Battery Supply Alternate Billing Service(s) Alternate Billing System ATM Bearer Service Authorized Bearer Services Automatic Balance Selection Average Busy Season Average Busy Season Busy Hour Automated Broadband Surveillance System Abort ATM Block Transfer ATM Block Transfer with Delayed Transmission ATM Block Transfer with Immediate Transmission Advisory Board on Technical Trends (ISO-IEC) Asia-Pacific Broadcasting Union ACcept ACceptor control Access Channel Access Charge Access Class (C0 to C15) Access Concentrator Access Connection Access Control

AC AC AC AC AC AC AC AC AC AC AC AC AC AC AC AC AC AC AC AC AC AC AC AC AC/ADC ACA ACA ACA ACA ACA ACA ACAP ACARD ACAS ACAS ACATS ACAU ACB ACB ACB ACB ACB ACB ACBA ACBAC ACBACC ACBAR ACBB ACBD ACBD ACBG ACB-I ACBISW ACBMA ACBT ACBT1 ACBT3 ACBT4 ACBT5 ACBTACC

Access Customer Code Acknowledged Connectionless Action Action Coordinator Agent Command Alerting Channel Alignment Check Alternating Current Announcement Controller Answer Complete Answered Calls Only Application Context Area Code Assignment Channel Attendant Console Authentication Center Authentication Code Authentications Centre Authorization Center Authorization Code Automatic Callback Automatic Control Awaiting Connection Automatic Callback/Any Designated Call Adaptive Channel Allocation Advanced Computer Application (IIASA' group) Area Coverage Analysis Authorization Code Assurance Automated Cable Analysis Automatic Circuit Assurance Application Configuration Access Protocol Advisory Council for Applied Research and Development Access Charge Analysis System Application Control Architecture Services Advisory Committee on Advanced Television Systems Automatic Calling and Answering Unit Access Barred message Access Barred signal Code Billing Address Control Block Automatic Call Back Automatic Callback Automatic Callback Activate Automatic Callback Active/Inactive Status Automatic Callback Access Codes Automatic Callback/Automatic Recall Automatic Callback Billing Records Automated Component Based Development Automatic Callback Deactivate Automatic Callback Business Group ISDN Automatic Callback Automatic Callback Intra-Switch Only Automatic Callback Maximum Allowed Automatic Callback Toggle Automatic Callback Timer 1 Automatic Callback Timer 3 Automatic Callback Timer 4 Automatic Callback Timer 5 Automatic Callback Toggle Access Code

ACBTYPE ACC ACC ACC ACC ACC ACC ACC ACC ACC ACC ACC ACC ACC aCC ACC ACC ACC ACC ACC ACC ACC ACCA ACCAN ACCB ACCD ACCD AccDi ACCFB ACCFNA ACCH ACCM ACCMD ACCN ACCOLC ACCS ACCS ACCS ACCT ACCT ACCY ACD ACD ACD ACD ACD ACD ACD ACD ACD ACD/MIS ACDB ACDB ACDDN ACD-ESS ACDF ACDMIS ACDMR ACDNR ACDRTD

Automatic Callback Type ACCepted Access Access Code(s) Access Control Access Node ACCmulator Card Calling Code Accumulator Adaptive Channel Control Address Complete Coin Analog Control Channel Anonymous Credit Card ANSI C++ Compiler Area Control Centre Augmented ClearCase Australian CCITT Committee Automated Calling Card Automated Credit Card Automatic Congestion Control Automatic Congestion Control Information message All-Channel Concentric Allocation Alternate Credit Card Number ANI/Coin Control Block Code Digits Address or Command Collection Dialog Access Delivery Information Attendant-Extended Calls to Call Forwarding Busy Attendant-Extended Calls to Call Forwarding No Answer Associated Control Channel Asynchonous Control Character Map Access Mode Alternate Credit Card Number Access Overload Class Automated Calling Card Service Automated Calling Card System Automatic Calling Card Service ACCes Time Codes ACCuracY Accumulated Connection Delay Active Call Dialog Adobe Capture Document Agent Command Dictionary Alarm Control and Display Automatic Call Distribution Automatic Call Distributor Automatic Cash Dispenser Average Call Distance Automatic Call Distribution Management Information System Agent Command Database Automatic Call Distribution Base Automatic Call Distribution Directory Number Automatic Call Distributor-Electronic Switching System Access Control Decision Function Automatic Call Distribution Management Information System ACD Management Reports Automatic Call Distribution Not-Ready ACD Real Time Display

ACE ACE ACE ACE ACE ACE ACE ACE ACE ACE ACE ACE ACE ACE ACE ACE ACE ACE ACEC ACEES ACEG ACELP ACET ACF ACF ACF ACF ACF ACF ACF ACF ACF ACF ACF ACF ACF ACF/N NA) ACF/VTAM ACFC ACG ACG ACG ACG ACG ACG ACGP ACH ACH ACHARGE ACHI ACI ACI ACI ACI ACI ACI ACI ACI ACI

Access Connection Element Access Control Entry Access-Control Entry Adaptive Communication Environment Advanced Computing Environment (Compaq) Adverse Channel Enhancements A-Interface Control Element Application Connection Element Application Creation Environment Assessment and Conversion Environment Asynchronous Communication Element ATM Crossbar Element Audio Compression/Expansion Automated Cable Expertise Automatic Cable Expertise (ATT) Automatic Calling Equipment Automatic Crossconnect Equipment Auxiliary Control Element Advisory Committee on EMC (IEC) Attendant Console End-to-End Signaling Alternating Current Equipment Ground Algebraic Codebook-Excited Linear Prediction Advisory Committee on Electronics and Telecommunications Access Configuration File Access Control Field Access Control Field (IEEE 802) Access Control Function ission Confirm ission Confirmation Advanced Collaborative Filtering Advanced Communication Function (SNA) Advanced Communications Facility Advanced Communications Functions Attribute Configuration File Authentication Control Function Auto-Correlation Function Advanced Communication Function for the Network Control Program (S Advanced Communication Function for the VTAM (SNA) Address and Control Field Compression Adjacent Charging Group Agent Command Generator Automatic Call Gap Automatic Call Gapping Automatic Code Gap Automatic Code Gapping Additional Calling Party Number Attempts per Circuit per Hour Automated Clearing House AMA Chargeable End Application Channel Interface Access Control Information Access-interface Channel Identifier Additional Call Information message Adjacent Channel Interference Ameritech Communications, Inc. Application Context Identifier AT&T Communications Customer Interface AT&T Communications ISDN Automatic Call Identification

ACIA ACIA ACIA ACID ACID ACID ACID ACID ACITS IT) ACK ACK ACK ACK ACK/NACK ACL ACL ACL ACL ACL ACL ACL ACLU ACM ACM ACM ACM ACM ACM ACM ACM ACM ACM ACM ACMA ACMA ACMOS ACMS ACMS ACN ACN ACN ACNA ACNA ACNS ACNS ACO ACO ACO ACO ACO ACO ACOB ACOD ACOLI ACOM ACOP ACOR ACO-R ACOS

Access Control Inner Area Asynchronous Communication Interface Adapter Asynchronous Communications Interface Adapter Access Indentifier Application Context ID Atomic, Consistent, Isolated, and Durable Atomicity, Consistency, Isolation, and Durability Atomicity, Consistency, Isolation, and Durability (X.860) Advisory Committee on Information Technology Standardization (SOG(affirmative) ACKnowledgement Acknowledge ACKnowledged Acknowledgement Positive/Negative ACKnowledgement Access Control List Access Control List (X.800) Advanced CMOS Logic Agent Communication Language Application Call Leg Asynchronous Connection Language Automatic Congestion Level American Civil Liberties Union Access Control Machine Access Control Manager Access Control Mechanism Accumulated Call Meter Active Call Model Address Complete Message Adjunct Call Model Architecture Capture Method Array Class Manager Association for Computing Machinery Audio Compression Manager Anchored Constant Modulus Algorithm Atlantic Cable Maintenance Agreement Automatic Customer Message Outputting System Advanced Call Management Services Application Control and Management System (DEC) ACount Number Actual Carrier Number ATM Carrier Networks Access Carrier Name Abbreviation Automatic Customer Name and Address ATM Carrier Network Services Attendant Console Night Service ing Control Office Additional Call Offering Alarm Cut Off Attendant Console Camp-On Audible Cutoff Augmented Channel Occupancy Additional Call Offering Billing Records Access Code Digits Advance Circuit Order and Layout Information Attendant Console Operational Measurements Additional Connected Party Number Additional Call Offering- Restricted Additional Call Offering- Restricted Advisory Committee On Safety (IEC)

ACOT Analog Central Office Terminal ACOU Additional Call Offering- Unrestricted ACOU Additional Call Offering Unconditional ACO-U Additional Call Offering- Unrestricted A Action Control Point A Action Point A Adjacent Channel Power A Adjunct Call Processing A Advanced Communications Protocol A Alarm Control Process A Anywhere Call Pick-Up A Application Change Package A Application Circuit Pack A Architecture Control Process A Authorization Code Prefix A Automatic Circuit Provisioning A Auxiliary Communications Processor AA Audio Capture and Playback Adapter AE Application Call Processing Engine AI Advanced Configuration and Power Interface AM Association Control Protocol Machine (ACSE) AN Additional Called Party Number ACQS Automated Charge Quotation Service ACR Abandon Call and Retry ACR Absolute Category Rating ACR AC Voltage On Ring ACR Access Charge Recording ACR Code Required ACR Adaptive Controlled Routing ACR Aggregate CND Recording ACR Allowed Cell Rate ACR Allowed Current Rate ACR Anonymous Call Rejection ACR Attenuation to Crosstalk Ratio ACR Automatic Call Recording ACR Automatic Character Recognition ACRAC Anonymous Call Rejection Active/Inactive Status ACRB Anonymous Call Rejection Billing Records ACRE Authorization and Call Routing Equipment ACRJ Anonymous Call Rejection ACRONYM Any Concise Rendering of Obfuscatory Nomenclature Yielding Mnemoni cs (from: Dan Caugherty) ACRRC Anonymous Call Rejection Restricted Control ACRT istrative CRT ACRTC Advanced Cathode Ray Tube Controller ACS Access Control Store (CCA/VTS) ACS Access Control System (DAB) ACS Advanced Cellular System ACS Advanced Communication Service (Bell) ACS Advanced Communication Services ACS Assembly Control System ACS Association Connection Segment ACS Asynchronous Communications Server ACS ATM Circuit Steering ACS ATM Core Switch ACS Automatic Call Back/Recall ACS Automatic Call Setup ACSA Access Control Specific Area ACSE Association Control Service Element ACSI Automatic Calling Station Identification

ACSSB ACT ACT ACT ACT ACT act ACT ACT ACT ACT ACT ACT ACTA ACTA ACTAS ACTE ACTE ACTE ACTE ActID ActID ACTLU ACTOM at) ACTPU ACTR ACTS ACTS ACTS ACTS ACTS ACTS ACTT Actv ACTV ACU ACU ACU ACU ACU ACU ACUTA ators ACW AD AD AD AD AD AD AD AD AD AD AD AD AD AD AD

Amplitude-Compounded Single-SideBand modulation Abstract Conformance Test AC Voltage On Tip Access Code Translations Activate Activatible Activation Active Activity Applied Computerized Telephony Architecture Capture Team Asynchronous Communication Tree Audiographic Teleconference Terminal Adaptive-Cycle Tunable-Access America's Carriers Telecommunication Association Alliance of Computer-Based Telephony Applications Suppliers Advisory Committee for Terminal Equipment Approval Committee for Terminal Equipment Approvals Committee for Telecommunications Equipment Approvals Committee for Terminal Equipment Action Identifier Activity Identifier Active Logical Unit Advisory Committee on Technical and Operational Matters (of Inmars Active Physical Unit Automatic Call Type Recognition Advanced Communication Technology Satellite Advanced Communications Technologies and Services Automated Coin Telephone Service Automated Coin Toll Service Automated Computer Time Service Automatic Circuit Test System Advanced Communication and Timekeeping Technology Active Advanced Compatible TeleVision Access Control Unit Acknowledgement signal unit Alarm Control Unit Antenna Combining Unit Antenna Coupling Unit Automatic Calling Unit Association of College and University Telecommunications istr Address Code Word Abbreviated Dialing Active Directory Addendum Document to an OSI standard (ISO) ADdress Adjunct Application Directory Application Dispatch Architecture Defined Architecture Design Architecture Designed Area Director Assembly Drawing Autonomous Circuit-Mode Data Awaiting Disconnect ISO country code for Principality of Andorra

A-D ADA ADA ADA ADA ADA ADACC ADACC-AB ing ADAD ADAI ADAP ADAPt ADARTS ADAS ADAS+ ADAS+ ADB ADB ADB ADBS ADC ADC AdC ADC ADC ADC ADC ADC ADC ADC ADC ADC ADC ADC ADC ADCI AD ADCU ADD ADD Add ADD ADDMD ADDPH ADDR ADDS ADDS ADE ADE ADE ADEPT ADF ADF ADF ADF ADF ADF ADF ADF

Analog to Digital Add Authcode istration Agent Advanced Directory Assistance Aldus Developer's Association AutoDirectional Antenna (Blaupunkt) Automatic Directory Assistance Call Completion Automatic Directory Assistance Call Completion with Alternate Bill Automatic Dialing-Announcing Device Advanced Digital Audio Interface Adaptive Profile Adaptive Digital Access Protocol Ada-Based DARTS Automated Directory Assistance Service Automated Directory Assistance Service Plus Automated Directory Assistance System Plus Alarm Detector Base Apple (Inc.) Desktop Bus Apple Desktop Bus Access Data Base System Adaptive Data Compression Add with Carry (80x86 inst) Address Code Address Complete ADdress complete, Charge Address Complete, Charge signal istration Center Advanced Data Connector Advanced Data Controller American Digital Cellular Analog/Digital Converter Analogue to Digital Converter Applied Data Communications Advanced Data Communication Control Procedures Advanced Data Communications Control Protocol Automatic Display Call Indicator Automated Data Changes Process Association of Data Communications s Adapter Device Driver Add line to existing hunt group Addendum Agent Data Decoupling istrative Directory Management Domain Add/Change Packet Handler Options Address Attribute Design Database System Automatic Direct Dialing System Advanced Development Environment Application Development Environment Automatic Design Engineering Analysis Data Extraction and Performance Tool Access Control Decision Function Access Data Function Adapter Description File Adaptive Digital Filter ADdress Field Affected Destination Field Agent Data Framework AMA Data File

ADF ADF ADF ADF ADF ADFD ADGT ADH ADI ADI ADI ADI ADI ADI ADK ADL ADL ADL ADL ADLC ADLC A D D F ADN ADN ADN ADN ADN ADNIC ADO ADO ADO ADO ADP ADP ADP ADPACS ADPC ADPCM ADPCM ADPCM ADPE ADPS ADPS ADPT ADQ

Application Data File Authentication Data Function Automatic Direction Finder Automatic Document Feeder Auxiliary Distribution Frame Action Data Flow Diagram Advisory Group on Data Transmissions Automatic Data Handling Address Incomplete message Address Incomplete signal Alternate Digit Inversion Area of Dominant Influence Automatic Deactivation Indication Automatic Deactivation Indicator Applications Development Kit Abbreviated Dialing Abbreviated Dialing List Address Data Latch Animation Description Language Advanced Data Link Control Advanced Data Link Controller Adaptive Data Multiplexing Adaptive Delta Modulation Add/Drop Multiplex Add/Drop Multiplexer Add/Drop Multiplexing Add-on Data Module istration istrative department (ETSI) istrative Management Domain Agent Data Model Asynchronous Disconnect Mode Asynchronous Disconnected Mode Amplitude Division Multiple Access istration Management Domain istration Management Domain (MHS) ADSI Data Message Format Abbreviated Dialling Number ADdress complete, No charge Address Complete, No-charge signal istration Advanced Digital Network AMA DNIC ActiveX Data Object Add Option(s) Add Order Asynchronous Data Option Adaptation Sublayer Additional (Overtime) Period Automatic Data Processing Automated Data Processing And Communication Service Automatic Data Processing Center Adaptive Delta-PCM Adaptive Differential PCM Adaptive Differential Pulse Code Modulation Automatic Data Processing Equipment Automatic Data Processing System Automatic Data Processing System ADaPTor, ADaPTer Almost Differential Quasi-ternary

ADR ADR ADR ADR ADR ADR ADS ADS ADS ADS ADS ADS ADS ADS ADS ADS ADS ADS ADS ADS ADSH ADSI ADSI ADSI ADSL ADSL ADSL ADSM ADSP ADSP ADSP ADSR ADT ADT ADT ADT ADT ADT ADT ADT ADT ADTC ADTE ADTE ADTF ADTS ADTS ADTS ADTS ADTV ADU ADU ADU ADU ADVICE ADVM ADW ADW ADX ADX

Abbreviated and Delayed Ringing Adaptive Routing Address Advanced Design Research Application-Dependent Route Availability Data Report Active Double Star Address Screening istration and Data Server (HICOM) Advanced Digital System Announcement/Detection Subsystem Any Digital Switch Application Developer's Seat Application Development System ASIC Design System ATM Distributed Switch Audiogram Delivery Service Austrian Digital Switch Austrian DMS System Automatic Data Set Audio Stream Handler Active Directory Service Interface Advanced Display Services Interface Analog Display Services Interface Asymmetric Digital Subscriber Line Asymmetrical Digital Subscriber Line Asymmetrical Digital Subscriber Loop ADSTAR Distributed Storage Manager Advanced Digital Signal Processor Apple Datastream Protocol AppleTalk Data Stream Protocol Automatic Dead System Recovery Abstract Data Type Access for Windows Developer's Toolkit Advanced Display Technology Alaska Daylight Time American District Telegraph Atlantic Daylight Time Audit Driver Task Automatic Data Transmission Automatic Deactivation Threshold Austrian Digital Trunk Controller Asynchronous Data Terminal Equipment Automatic Deactivation Threshold Exceeded ACR Decrease Time Factor Automated Data and Telecommunication Service Automated Digital Terminal System Automatic Data Test System Automatic Digital Transmission System Advanced Digital Television Accumulation and Distribution Unit Application Data Unit Automatic Dialing Unit Automatic Dialling Unit Aid in Design Verification for IC Engineering Adaptive Delta Modulation Voice Modem Aerial Distribution Wire Analysis and Design Workstations Address Complete, Coin-Box signal Automatic Exchange

AE AE AE AE AE AE AE AE AEA AEC AEC AEC AEC AECMA AECo AEE AEF AEF AEF AEI AEI AEIMP AELE AEM AEMK AEN AENOR AENOR AEP AER AER AER AERM AES AES AES AES AES AES AES AES/EBU AESA AESA AESC AET AET AETJ AF AF AF AF AF AF AF AF AF AF AF A-F AFADS

Acceptor Error Address Extension Application Entity Application Entity (OSI-AL) Applications Environment Automatic Electric Co. Automation Environment ISO country code for United Arab Emirates American Electronics Association Acoustic Echo Canceller Acoustic Echo Control Alternate Exchange Carrier Architecture, Engineering, and Construction Association Européenne des Constructeurs de Matériel Aérospatial Automatic Electric Company Asociacion ElEctrotécnica Access Control Enforcement Function Additional Elementary Functions Address Extension Field Additional Equipment Interface Application-Entity Invocation Apple Event Interprocess Messaging Protocol Association Européenne de Libre Echange (EFTA) Analogue Extension Module Answer Emergency Key Asynchronous Event Notification Asociacion Espanola de NORmalizacion (E) Asociacion Espanola de Normalizacion y Certificacion Acoustic Echo Path Application Event Record Application Event Recorder Application Event Recording Alignment Error Rate Monitor Aircraft Earth Station Application Environment Specific Application Environment Specification Asynchronous Event Scheduler ATM End System Audio Engineering Society Auger Electron Spectroscopy Audio Engineering Society/European Broadcast Union ATM End Station Address ATM End System Address Automatic Electronic Switching Center Application Entity Title Architecture Evolution Team GTE Automatic Electric Technical Journal (periodical) Access Facility Access Fault Access Function Address Family Adjust Flag Alternative Frequencies (RDS) Applications Framework Audio Frequency AudioFile Auxiliary Carry Flag ISO country code for Islamic State of Afghanistan Actual Operators to Final Operators Automatic Force istration Data System

AFAIK AFC AFC AFC AFC AFC AFC AFDP AFE AFE AFF AFFUT AFG AFI AFI AFIPS AFIS AFIT AFL AFM AFM AFM AFM AFN AFN AFN AFNOR AFP AFP AFP AFP AFPS AFPS AFR AFR AFR AFR AFR AFR AFRDP AFS AFS AFS AFS AFSK AFT AFT AFT AFT AFT AFTN AFUTT AFX AFX AG AG AG AG AG AG

As far as I know Additional Functional Call Address Complete, Subscriber Free, Charge signal Alternate Function Code Application Foundation Classes Automatic Fee Collection Automatic Frequency Control Adaptive File Distribution Protocol Active Feature Element Analog Front End Advanced Filtering Facility Association Française des Utilisateurs du Téléphone et des Télécomunications Access Feature Grouping Authority and Format Identifier Authority and Format Identifier (NSAP) American Federation of Information Processing Societies Aerodrome Flight Information Service Automated Fault Insertion Testing Application Framework Library Adobe Font Metric Atomic Force Microscope Atomic Force Microscopy Audio Frequency Modulation (8mm VTR Sony Inc.) Access Feeder Node Address Complete, Subscriber Free, No-Charge signal All Figure Number Association Francaise de Normalisation Advanced Freephone AppleTalk Filing Protocol Automatic Floating Point Automatic Frequency Planning Advanced File and Print Services Automatic Facility Protection Switching AFR Trigger Annualised Failure Rate Automatic Field Recognition Automatic Flexible Routing Automatic Format Recognition Awaiting Forward Release Automatic Flexible Routing Dialing Plan Advanced Freephone Service Andrew File System Andrew File System (T/IP) Audit File Switch Audio Frequency Shift Keying Adapter Fault Tolerance Analog Facility Terminal Authentication Firewall Traversal Automatic File Transfer Automatic Frequency Tuning Aeronautical Fixed Telecommunication Network Association Francaise de Telephone et des Telecommunications (F) Address complete, subscriber Free, coin boX Address Complete, Subscriber Free, Coin-Box signal Address Generation Advisory Group (ETSI) Aktien Gesellschaft Associated Group ISO country code for Antigua and Barbuda Try Again

AG/EEE Above Ground Electronic Equipment Enclosure AGA Associated Group Assignment AGA Associated Group Assignments AGC Access Group Controller AGC Advanced Graphic Controller AGC Automatic Gain Control AGC Automatic Gapping Controls AGCH Access Grant Channel AGCS AG (AT&T/GTE) Communication Systems AGDS Absolute Global Data Segment AGE Automation Generic Environment AgentX Agent Extensibility AGEX Address Generation/Execute Cycle AGGR Aggregate AGI Address Generation Interlock AGI Associated Group Indicators AGIS Apex Global Information Services AGND Analogue GrouND AGNES Aggregate Network Evolution Simulator AGP Accelerated Graphics Port AGP Advanced Graphics Port AGR Adaptive Grooming Router AGRP Associated Group AGRU Automatische Ansage gaenderter Rufnummern (Call forward to automat ic announcement of changed directory numbers) AGS Assignable Grade of Service AGSR Authorized GSA Scheduler Representative AGT Active Generations Table AGT Alberta Government Telephone AGTK Application Generator Tool Kit AGV Automatic Guided Vehicle AH Acceptance Handshake AH Accumulator High Half AH Ad Hoc AH Application Header AH Artech House AH Authentication Header AH Average Hour AHAB Automated Headset Adapter Box AHAB Automatic Headset Adapter Box AHCA Average Hour Call Attempt AHCM Absolute Humidity Control Module AHFG ATM-attached Host Functional Group AHG Ad Hoc Group AHJ Authority Having Jurisdiction AHLF Additional High Layer Function(s) AHPL A Hardware Programming Language AHR Address Hold AHT Average Holding Time Ai Action indicator AI Activation Indication AI Active Indication AI Activity Interrupt AI Adapter Interface AI Address Incomplete AI Agent Information AI Air Interface Ai A-law Inverted AI Alerting Indication AI Antenna Interface

AI AI AI AI AI AI AIA AIA AIA AIAG aib AIB AIC AIC AIC AIC AIC AID AID AID AID AIDAF AIDS AIEA AIEE AIF AIF AIF AIFC AIFF AIFL AII AII AILC AILU AIM AIM AIM AIM AIM AIM AIM AIM AIM AIMS AIMS AIMUX AIN AIN AIN AINAP AINDN AINGR AINI AINREL AINS AINT AINTC AINTCC AIO

Artificial Intelligence Aspect Interface Auto Inserted Automatic Identification Automatic Intercept ISO country code for Anguilla Action Item Assignment Application Integration Architecture (DEC) Automatic Internal istration Automative Industry Action Group Alarm Indication Bit Automatic Intercept Bureau Access Interface Card Anaterface Circuit Asian ISDN Council Automatic Intercept Center Awaiting Incoming Continuity Access Identifier Access Point Identifier Agent ID Application Identifier Agent Interworking Data Access Framework Automatic Inventory Directory System Agence International de l'Energie Atomique American Institute of Electrical Engineers Additional Information Field Application Interface Audio Interchange Format AIFF With Built-In Compression Audio Interchange File Format Automatic Identification of Outward Dialing Failure Active Input Interface Additional Information Indicator Asynchronous Interface Line Card Asynchronous Interface Line Unit Advanced Informatics in Medicine Agent Interworking Mechanism Apple, IBM, Motorola Application Integration Module Architectural Improvement of the Month Asynchronous Interface Module ATM Inverse Multiplexer Automatic Inspect Mode Awaiting Incoming Message Advanced Image Management System Auto-Indexing Mass Storage ATM Inverse Multiplexing Additional Information Number Advanced Intelligent Network Attribute Identification Number AIN Application Protocol Advanced Intelligent Network DN Advanced Intelligent Network Generic Requirements ATM Internetwork Interface AIN Release Automatic In-Service Adjacent Intermediate Node Translator Automatic Intercept Service Call Completion Automatic Intercept Call Completion Additional Information Octet

AIOD AIOD AIODLK AIP AIP AIP AIP AIR AIR AIR AIR AIR AIR AIRF AIRS AIRS AIS AIS AIS AIS AIS AIS AIS AISP AISUP AIT AIT AIT AIT AIU AIU AIU AIV AIW AIX AIX AK AK AK AK aka AKA AKM AKO AL AL AL AL AL AL AL AL AL AL AL AL AL1 AL2 AL3 ALB

Automatic Identification Outward Dialing Automatic Identified Outward Dialing Automatic Identified Outward Dialing Link Additional Information Presentation (supplementary service) Aditional Presentation Information Agent Interworking Protocol Air Interface Protocol Action Item Resolution Additive Increase Rate Additive Increase to Rate Ad-hoc Information Request Allowed Information Rate Attendant Console Intermediate Release Additive Increase Rate Factor Automatic Image Retrieval System Automatic Intercept Retrieval System Alarm Indication Signal Alarm Indication Signalling Alarm Inhibit Signal Atria Information Switchboard Automatic Intercept Service Automatic Intercept Signaling Automatic Intercept System Advanced ISP Australian ISUP Additional Information Type Advanced Intelligent Tape Architecture Integration Team Average Instruction Time Access Interface Unit Alarm Interface Unit Anaterface Unit Architecture Integration and Verification APPN Implementors' Workgroup Advanced Interactive Executive Advanced Interactive eXecutive (IBM/UNIX) Acknowledgement Attendant Key Data Acknowledgment U.S. postal code for Alaska Also Known As Authentication and Key Agreement Apogee Kick Motor Add Key Option Access Line Access Link Accumulator Low Half Alignment ALphabetic Ambience Listening Analog Link Analog Loopback Application Layer (OSI) Application Layer-Call Control Interface ISO country code for People's Socialist Republic of Albania U.S. postal code for Alabama Adaptation Layer 1 Adaptation Layer 2 Adaptation Layer 3 Association Link Block

ALBO ALC ALC ALC ALC ALC ALCIN ALCM ALD ALD ALD ALD ALDOS ALE ALE ALE ALE ALERT ALERT ALF ALFA ALFE ALGC ALGM ALGOL ALI ALI ALI ALI ALIT ALIT ALITS ALIU ALLC ALLF ALM ALM ALM ALM ALMSTAT ALMSTATGRP ALN ALO ALP ALP ALP ALP ALPC ALR ALR ALRM ALRS ALS ALS ALS ALS ALSC ALSTTL ALT ALT

Automatic Line Build-Out Airline Link Control Airlines Line Control (IBM) Application Life Cycle Automatic Level Control Automatic Load Control Alcatel Intelligent Network Austrian Line Concentrating Module Architecture Level Design Asymmetric Life Dependency Attribute List Display Automated Logic Diagram ACI Long Distance Operations System Address Latch Enable Address Lifetime Expectancy Address Lifetime Expectations Approval Liaison Engineer (UK) ALERT function for different types of alert Alerting message Application Layer Framing Automatic Laser-Fiber Assembly Alert Logic Filter Editor (Bool and Babbage) Austrian Line Group Controller ALGorithM Algorithmic Oriented Language Application Level Interface ATM Link Interconnect Automatic Line Identification Automatic Location Identification Automatic Line Insulation Test Automatic Line Insulation Testing Automatic Line Insulation Testing System Alarm Line Interface Unit Automatic Logical Link Connection Additional Low Layer Function(s) Alarm AppWare Loadable Module Association Link Manager ATM Layer Manager Alarm Status Alarm/Status Settings Group Identifier AMA Line Number Association Link Object Abstract Local Primitive Application Layer Program Automated Language Processing Automated Learning Process Adaptive Linear Predictive Coding Active Line Rotation Advanced Logic Research Alarm iralty List of Radio Signals Alerting Signal Application Layer Service Application Layer Structure (OSI) Automatic Laser Shutdown Alternate Line Screening Code Advanced Low-power Schottky Transistor-Transistor Logic Accelerated Life Test Alerting message

ALT ALT alt ALT ALT ALT ALT ALTANN ALTP ALTS ALTS ALTS ALU ALU ALU ALU ALU ALU AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM/PSK AMA AMA TSG AMAB AMAB AMACC AMACS AMACS AMAD AMADNS AMAF AMAI AMAP A-MAP AMARC AMARCS AMARS AMASE AMASTR AMAT

Alternate Alternate Local Transport Company Alternative ALTitude Automatic Line Test Automatic Line Testing Automatic Link Transfer Alternate Announcements Accelerated Life-Cycle Test Program Alternative Local Transport Supplier Association for Local Telecommunications Services Automatic Line Test Set Abbreviated Line-Up Arithmetic and Logic Unit Arithmetic Logic Unit Arithmetic/Logic Unit Average Line Usage Average Line Utilization Access Management Access Manager Access Method Access Module ing Management Activity Manager Address Marker Address Modifier istrative Module Agency Model Agent Manager Airline Mileage Alignment Mask AlphaMosaic Amplitude Modulation Ante Meridian Application Model ASCII Mediation Association Manager Audio Monitor DDOC Section: AMA/Billing Changes ISO country code for Armenia Amplitude Modulation/Phase Shift Keying Automatic Message ing Automatic Message ing Technical Group Automatic Message ing Billing Automatic Message ing Buffer AMA Collection Center Automatic Message ing Collecting System Automatic Message ing Collection System AMA Digits Dialed Wild Card Automatic Message ing Data Networking System Atlantech Management Application Framework AMA International Adaptive Mobile Access Protocol A-field MAP Automatic Message ing Recording Center Automatic Message ing Recording System Automatic Message ing Recording System AMA Standard Entry AMA Structure Code Automatic Message ing Transmitter

AMATP AMATPS AMBCE AMC AMC AM AMD AMD AMDS AME AMEL AMES AMF AMF AMF AMF AM-FDM AMH AMI AMI AMI AMI AMI AMI AMI AMIEE AMIP AMIPC AMIS AMIS AML AML AMLCD AMLCD AMM Amm AMM AMN AMON AMP AMP AMP AMP amp AMP AMP AMPS AMPS AMPSK AMR AMR AMR5 AMRF AMS AMS AMS AMS AMS AMSAT AMSC

Automatic Message ing Transaction Processor Automatic Message ing Teleprocessing System Activation of Manual Bridging Call Exclusion Access Multiplexer for CaTV American Movie Classics Adjunct Mobility Control Point Advanced Micro Devices Ammendment Amplitude Modulation Data System Access Mechanism Active-Matrix Electroluminescent ATM Mobility Extension Service Access Management Function Alternate Master Format Application Messaging Framework Association Manager Framework Amplitude Modulated-Frequency Division Multiplexed Advanced Measurement Head Alternate Mark Inversion Alternate Mark Inversion (digital data transmission format) American Megatrends, Inc. American Microsystems International Application Messaging Interface Automatic Modem Insertion Autonomous Message Interface Associate Member of the Institution of Electrical Engineers (GB) Access Module Interconnect Paddle card AM Interconnect Paddle Card Agricultural Market Intelligence System Audio Messaging Interchange Specification Actual Measured Loss Applications Module Link Active Matrix Liquid-Crystal Displays Active-Matrix LCD Advanced Memory Management Ammendment Answer Mode Modem Acknowledgement of Mcu Number ATM Monitoring Acknowledge Mode Protocol Active Monitor Present Agent Meeting Point AIN Maintenance Parameter Ampere Amplifier Auxiliary Channel Multiplexing Pattern Advanced Mobile Phone Service Advanced Mobile Phone System Amplitude Modulation Phase Shift Keying Automatic Message Recording Automatic Message Routing Automatic Message Recording 5 Automated Manufacturing Research Facility Amplitude Modulation Suppression AT&T Message Service ATM Main Switch Audiovisual and Multimedia Service AudioVisual Multimedia Service Radio AMateur SATellite corporation American Mobile Satellite Corporation

AMSRID AMSS AMT AMT AMT Amt AMTA AMTICS AMTOR AMTS AMU AMVFT AMVSB AM-VSB AMW AMWN AMX AN AN AN AN AN AN AN an ANA ANA ANA ANAL ANALIT ANBFM ANC ANC ANC ANC ANC ANC ANC ANCM AND AND AND ANDF ANDI ANDI ANET ANF ANF ANF ANF AN-FR ANG ANI ANI ANI7 ANID ANID ANIE (Italy) ANIEL

Authorized Message Service Identification Aeronautical Mobile Satellite Service Address Mapping Table Advanced Manufacturing Technique Ameritech Amount American Mobile Telecommunications Association Advanced Mobile Traffic-Information Communications System AMateur Telex Over Radio Automatic Mobile Telephone System Antenna Matching Unit Amplitude Modulation Voice Frequency Telegraphy Amplitude Modulation with Vestigial SideBands Amplitude Modulation-Vestigial Sideband Automatic Message Waiting Audible Message Waiting Notification ATM Multiplexer Access Network Access Node America's Network (periodical) Announcement Machine Annunciator Application Note ISO country code for Netherlands Antilles power level Article Numbering Association Assigned Night Answer Automatic Number Announcer ANALogue Analysis of Automatic Line Insulation Tests Adaptive Narrow-Band FM Modem Active Noise Cancelation All Number Calling Answer Charge message Answer Complete ANswer signal, Charge Answer, Charge signal Area Number Calling Access Node Configuration Manager Abbreviated Number Delivery Automatic Network Dialing Logical AND Architecture Neutral Distribution Format Anmeldedienst (Enrollment Service) Logical AND Immediate Asynchronous Network Access Network Function Additional Network Feature Additional Network Features Automatic Number Identification Failure AN Frame Relay Function Advanced Networking Group Animated Cursor file Automatic Number Identification Automatic Number Identification 7 Active Network Interface Device Adjacent Network Identifier Associazione nazionale industrie elettrotecniche ed ellettroniche Associación Nacional de Industria Electronica (Spain)

ANIF Automatic Number Identification Fail ANIF Automatic Number Identification Failed ANIF Automatic Number Identification Failure ANIS Analoger Teilnehmeranschluss an ISDN (analog subscriber served by digital local exchange) ANIS Analog-Teilnehmer an DIVO-VSt (analogue subscriber connected to di gital exchange) ANL Automatic Noise Limiter ANLG Analog ANM Advanced NM (Net/Master, IBM) ANM Answer Message ANMS ATM Network Management System ANN Announcement ANN Answer No-Charge message ANN ANswer signal, No charge ANN Answer, No-Charge signal ANNC Announcement ANNS Announcements anot Automatic Notification ANP AAL Type 2 Negotiation Procedure ANP AAL2 Negotiation Protocol ANR Abnormal ANR Automatic Network Routing ANR Awaiting Number Received ANRST Abnormal-and-Restricted ANS Advanced Network & Services, Inc. ANS Advanced Network Systems ANS Advanced Networking Services ANS Alcatel Network Systems ANS American National Standard ANS Answer ANS Answer message ANS Answer signal ANS ATM Name Server ANS Automated Notification System ANSA Advanced Network System Architecture ANSA Advanced Networked Systems Architecture ANSC American National Standards Committee ANSI American National Standards Institute (US) ANSTIM Answer Timing ANT Antenna ANT Application of New Technologies ANTU Analogue Network Termination Unit ANU Answer Unqualified message ANUI AMA Network Identification ANX Access Node Express ANZCAN Australia-New Zealand-Canada submarine cable AO Abort Output AO Acceptor Operable AO Owner AO Alternate Operator AO Answer Only AO Application Object AO Authorizing Origination point in call AO Automated Office AO ISO country code for Republic of Angola AO/DI Always On/Dynamic ISDN AO/S Agents Object System AO3 Add-On Conference- 3-Party AO6 Add-On Conference- 6-Party

AOA AoC AOC AOC AOC AOC AoCC AoCC AOC-D AOC-D AOCE AOC-E AOC-E AoCI AoCI AO AOCR AOCS AOC-S AOC-S AODI AOG AOI AOI AOL AOL AON AON AON AONALS AOP AOP AOP AOPL AOPS AOQ AOQL AOR AOR AOR AORG AOS AOS AOS AOS AOS AOS AOSS AOSSVR AOTC AOTF AOTF AOTS AOTT AOW AOW AOZ AP AP AP

Angle of Arrival Advice of Charge Advice Of Charge (supplementary service) Aeronautical Operational Control Automatic Overload Control Awaiting Outgoing Continuity Advice of Charge (Charging) (supplementary service) Advice of Charge Charging Advice of Charge (Service)- During call Advice of Charge During the Call Apple Open Collaboration Environment Advice of Charge (Service)- at End of call Advice of Charge at the End of the Call Advice of Charge (Information) (supplementary service) Advice of Charge Information Additional Original Called Party Number Automatic Out-of-Chain Routing Attitude and Orbit Control System Advice of Charge (Service)- at call Set-up time Advice of Charge at Call Setup Time Always On Dynamic ISDN Alternative Operators Group Active Output Interface Area Of Interest America Online Application Oriented Language Active Optical Network All-Optical Network All-Optical Networking Type "A" Off-Network Access Lines Annual Operating Plan Attendant Overflow Position Average Occupied Positions Application-Oriented Parsing Language Automated Office Protocol Standard Average Outgoing Quality Average Outgoing Quality Level Application-Owning Region Atlantic Ocean Region Atlantic Ocean Region (INTELSAT) Auto Originate Acquisition Of Signal Advanced Operating System Agents Object System Alternative Operator Services Area of Service Attitude and Orbit control Subsystem Auxiliary Operator Services System Auxiliary Operator Services System with Voice Response Australian and Overseas Telecommunication Corporation Acoustooptic Tunable Filter Acousto-Optical Tunable Fiber Advanced Orbital Test Satellite Automatic Outgoing Trunk Test Asia-Oceania OSI Workshop Asia-Oceania Workshop Address Complete, Without Additional Information Abstract Protocol Access Point Access Priority (TETRA)

AP Access Privilege AP Access Protocol AP Access Provider AP Action Point AP Actionpoint AP Active Approval AP Adjunct Processor AP istration Processor AP istrative Point AP istrative Processor AP Agency Protocol AP Agent Process AP Agent Profile AP Alerting Pattern AP Alternating Projection AP Application Part AP Application Process AP Application Profile (OSI-AL) AP Application Protocol AP Application(s) Processor AP Argument Pointer AP Assemblée Plénière (CEPT, CCIR, CCITT) AP Attendant Position AP&R Automated Prompt and Response APA Active Position Addressing APA All Points Adressable APA All-point Addressable (IBM WS capability for vector graphics) APAB All-Primary/All-Backup APAS Advanced Public Access Solutions APB Adaptive Prediction Backwards APB All Paths Busy APB All Positions Busy APC Access Processor Card APC Adaptive Power Control APC Adaptive Predictive Coding APC Adaptive-Predictive Coder APC Aeronautical Public Correspondence APC Alarm and Power Control APC AMARC Protocol Converter APC American Personal Communications APC American Power Conversion APC Analog Private Circuits APC Application Processor Cabinet APC Application Program Command APC Asia Pacific & CALA DMS-100 APC Asia Pacific Committee APC Asynchronous Procedure Call APC Automated Process Control APC Automatic Phase Control (PLL) APC Automatic Power Control APC Average Power Control APC-AB Adaptive Predictive Coding with Adaptive Bit allocation APCC Asia Pacific Conference on Communications APCI Association Potocol Control Information APCM Adaptive Pulse Code Modulation APCN Asia Pacific Cable Network APCO Association of Public Safety Communications Officials Internationa l APD APD

Automatic Phase Detector Automatic Power-Down (IC)

APD APD APD APDA APDL APDU APDU APE APEC APF APG APH API API API API API API API API API API API API/CS APIA APIA X.400 APIC APIC APIC APICI APII APK APK APL APL APL APL APL APL APL APM APM APM APM APM APM APM APM APM APMS APMT APN APNB APNG APNSS APOC APOC APOCS APOK APOLT

Avalanche Photo Detector Avalanche Photo Diode Avalanche Photodiode Apple Programmers' and Developers' Association Algorithmic Processor Description Language Application Protocol Data Unit Application Protocol Data Unit (OSI-AL) Abgesetzte Pheriphaere Einheit (Remote Peripheral Unit) Asia Pacific Economic Cooperation Adaptive Prediction Forward Application Programming Guide Actionpoint Handler Abbreviated Page Index Advanced Product Information Application Program Interface Application Programmer Interface Application Programming Interface Application Protocol Interface Application-Process Invocation Applications Programming Interface Asynchronous Pollable Interface Asynchronous Polling Interface Attached Processor Interface API/Communication Services Application Programming Interface Association API Association for X.400 Advanced Programmable Interrupt Controller Alternate Preferred IC Indicator Alternate Preferred InterLATA Carrier Alternate Preferred InterLATA Carrier Indicator Asia/Pacific Information Exchange Amplitude Phase Keying Amplitude-Phase-Keyed A Programming Language Advanced Parts List Advanced Programming Language Advisory Processor Lock Analog Private Line APpLication Average Picture Level (Video) Additional Packet Mode bearer service (CCITT I.122) Advanced Power Management Amplitude Phase Modulation Antenna to Partition Mapping Application Processor Module Application Transport Mechanism Application Transport Message Audio Processing Module Auxiliary Processing Machine Application Penetration Monitoring System Alcatel PMT Audio Processing Node All-Primary/No Backup Australia-Papua New Guinea submarine cable Analogue Private Network Signalling System Advanced Paging Operations Code Advanced POCSAG Atlantic Provinces Optical Cable System Advanced Programming Object Kit APON Line Termination

APON APON APONT APP APP APP APP APP APP APP APPC APPL APPL APPN APPS nc.) APPS APPV APPX APR APR APR APR APRICOT ies APRL APROX APS APS APS APS APS APS APS APS APS APS APS APS APS APS APS/DP APSB APSO APSS APT APT APT APT APT APT APT APT APTU APU APU APU APU APUX APX

Asynchronous ive Optical Network ATM over ive Optical Network APON Network Termination Additional PleniPotentionary conference (ITU) Application APplication Program Application Transport Parameter Approved Ascend Protocol Auxiliary Power Plant Advanced Program-to-Program Communications (SNA-LU 6.2) Application Applications milestone Advanced Peer-to-Peer Network (IBM) Advanced Peripheral Processing Solution (National Semiconductors I Applications Advanced Pay-Per-View Appendix Additional (Overtime) Period Rate Alarm Processing Remote Alternate Path Retry Automatic Position Reporting Asia Pacific Regional Internet Conference on Operational Technolog Average Power Return Loss APPROXimate istrative Processor System Advanced Power System(s) Advanced Printing Services Alarm Processing Subsystem Alternate Path Selection American Protective Services Application Server Asynchronous Protocol Specification Attached Processor System Attendant Pay Station Attended Pay Station Automatic Protection Switch Automatic Protection Switching Auxiliary Power Source Automatic Protection Switching with Diverse Protection All-Primary/Some Backup Audio Precision System One Automated Procedures Scheduling System Address Partition Terminator Advanced Parallel Technology Advanced Photoscale Technology Application Process Title Application Systems (Swedish) AT&T/Philips Automatic Programmed Tool Automatic Progression Testing African Postal and Telecommunication Union Application Processing Unit Arithmetic Processing Unit Arithmetic Processor Unit Audio Presentation Unit Application Processor Running Unix AppExpert Source File

APX APX10 APX-10 APX100 APX-100 APX1000 APX-1000 APZ AQ AQ AQC AQF AQL AQL AQP AQSE AQUA AQUARIUS AR AR AR AR AR AR AR AR AR AR AR AR AR AR AR AR AR AR AR A-R AR1 AR2 ARA ARA ARA ARA ARA ARABSAT ARAC ARACC ARAM ARAM ARAN ARAP ARB ARB ARB ARB ARC ARC arc ARC

Autoplex Autoplex-10 Autoplex-10 Autoplex-100 Autoplex-100 Autoplex-1000 Autoplex-1000 Control System (Swedish) Autoquote ISO country code for Antarctica Annual Quality Congress Advanced Query Feature Acceptable Quality Level Acceptance Quality Level Association for Quality and Participation Abstract Quality System Element Adaptive Quantized Update Algorithm A Query And Retrieval Intractive Utility System Access Rate Access Rule Action Action Request Activation Request Activity Resume Address Allocated Rate Alternate Route Alternate Routed Alternate Routing Analysis Report Archive Library Aspect Ratio Audible Ringing Automatic Recall Awaiting Reply ISO country code for Argentine Republic (Argentina) U.S. postal code for Arkansas Actual Operators to Required Operators Alignment Range 1 Alignment Range 2 Agents for Remote Access Alerting/Registration Area AppleTalk Remote Access Automatic Recall Activate Automatic Resource Assignment ARAB SATellite Communications Organization Automatic Recall Active/Inactive Status Automatic Recall Access Codes Audio RAM Automatic Recall for Analog Member of EKTS Automatic Room Authorization Number Apple Remote Access Protocol All Routes Busy ARBitrary (waveform generator) Architecture Review Board Automatic Recall Billing Records Access Request Channel Access Rights Class Action Request Command Adaptive Rate Conversion

ARC ARC ARC ARC ARC ARC ARCC ARCH ARCH ARCHID ARCHNL ARCM ARD ARD ARD chland ARD ARD ARDDN ARDIS ARDN ARDS ARDS ARDT ARDT ARDY ARE ARE ARF ARF ARF ARF ARF ARF ARF ARFA ARFCN ARG ARG ARI ARI ARI ARI ARI ARI/FCI g) ARIA ARIB ARIES ARINC ARIS ARIS ARJ ARL ARL ARL ARL ARL ARLB ARLB

istrative Radio Conference Alternate Route Cancel Army Reuse Center Attached Resource Computer Attendant Recall Automatic Reception Control (mono/stereo) Austrian Remote Cluster Controller Access Response Channel Architecture Architecture Identifier AMA Remote Channel Automatic Recall/Callback Currently Active Monitoring Access Rights Details Adaptive RAKE Diversity Arbeitsgemeinschaft der Rundfunkanstalten der Bundesrepublik Deuts Automatic Recall Deactivate Automatic Ring Down Automatic Recall Dialable Directory Number Advanced Radio Data Information Service Automatic Route Selection Directory Number AT&T Communications Reference Distribution System AT&T Reference Distribution System Automated Radio Deployment Tool Automatic Recall Date and Time Asynchronous Ready All Routes Explore All Routes Explorer Abort, Retry, Fail Alarm Reporting Function Alternative Routing From Analog Receiver Filter AT&T Communications Reference Frequency AT&T Reference Frequency Automatic Rate Fallback Allied Radio Frequency Agency Absolute Radio Frequency Channel Number Additional Redirecting Number Argument Access Rights Identity Access Rule Index Airborne Radio Instrument Autofahrer-Rundfunk-Information Automatic Room Identification Address Recognized Indicator/Frame Copied Indicator (MAC/token rin Automatic Recall Invalid Action Association of Radio Industries and Broadcasting Agent Related Interaction Enhancements for Services Aeronautical Radio, Inc. Aggregate Route-Based IP Switching Aggregated Route-Based IP Switching ission Reject Acceptable Reliability Level Acoustic Reference Level Adjusted Ring Length Audio Reference Level Average Running Length Automatic Recovery from Low Battery Automatic Return from Low Battery

ARLCN AMA Remote Logical Channel Number ARLL Advanced Run-Length-Limited (magnetic recording code) ARM Advanced RISC Machines ARM Annotated C++ Reference Manual ARM Applications Reference Model ARM Architecture Reference Manual ARM Asynchronous Response Mode ARM Availability, Reliability, Maintainability ARMA Automatic Recall Maximum Allowed ARMAP Adaptive Reservation Multiple Access Protocol ARMIS Automated Reporting of Mechanized Information Systems ARMIS Automatic Recording Management Information System ARN Additional Redirection Number ARN Advanced Remote Node ARN Alternate Route Number ARN Authentication Random Number ARO Alternate Route on Overflow ARO Audio Receive Only ARP Address Resolution Protocol (T/IP-DoD) ARP Autonomous Reuse Partitioning ARPA Advanced Research Projects Agency ARPAnet Advanced Research Projects Agency Network ARPL Adjust RPL Field (80x86 inst) ARPOSE Specification de l'ARchitecture et des Protocoles OSI permettant d e rendre le services ARQ ission Request ARQ Automatic Repeat Request ARQ Automatic Request for Repeat ARQ Automatic Request for Retransmission ARQ Automatic Retransmission Request arr Action Request Report ARR Attributes for Representing Relationship ARR Automatic Rerouting ARRC Advanced Radiodata Research Centre ARRE Alarm Receiving and Reporting Equipment ARRL American Radio Relay League ARS Action Request System ARS Action Response System ARS Active Root Service ARS Alarm Reporting System ARS Ameritech Reconfiguration Service ARS Automatic Route Selection ARS Automatic Route Selector ARSB Automated Repair Service Bureau ARS-D Automatic Route Selection-Deluxe ARSP Automatic Route Selection Pattern ARSQ Automatic Route Selection Queuing ART Alternative Routing To ART Amplitude Radio Transmission ART Audible Ringing Tone ART Audit Report Task ART Automated Reasoning Tool ART Automatic Recall Toggle ART Automatic Reporting Telephone ARTA Apple Real Time Architecture ARTE ARTE Alpha Run Time Environment ARTEMIS Advanced Research and Technology Mission ARTHUR Automatic Radiocommunication system for Traffic emergency situations on Highways

ARTIC ARTO ARTOB ARTS ARTS ARTS ARTYPE ARU ARU ARU ARU ARU arv ARW AS AS AS AS AS AS AS AS AS AS AS AS As AS AS AS AS AS AS AS AS AS AS AS AS/400 AS/LIDB AS/SYS AS/U ASA ASA ASA ASA ASA II A-SAE ASAI ASAP ASAP ASAP ASAP ASAP ASB ASBH ASBHCA ASBHCC ASBR ASC

A Real-Time Interface Coprocessor Automatic Recall Time Out Amateur Radio Transponder On Balloon AIN Response Translation Simplification American Radio Telephone System ARSnet Router Traffic Statistics Automatic Recall Reactivation Type Alarm Relay Unit Analog Radio Unit Application Resource Unit Audio Response Unit Automated Response Unit Action Request View Automatic Roaming Wide Abstract Service Access Signaling Access Switch Access System Active Service Activity Start Address Signal Address Strobe istrative System Affects Alignment Signal Analog Signal Anschluss (Access Unit/Extension) Answer Supervision Application Selection Application Supervisor Application System (IBM) Area Selection (TETRA) Assisted Service Association Specification Authentication Server Autonomous System ISO country code for American Samoa Start of Answer Application System/400 LIDB istrative System Access and Storage System Advanced Server for UNIX Addressable Service Area Adjunct Software Architecture Advanced SCSI Architecture American Standard Association (ANSI today) Advanced SCSI Architecture II ASE Service Alteration Element Adjunct/Switch Application Interface Accelerated Speech Application Programming As Soon As Possible Automated Software Change Approval port Automatic Self-Allocating Processor (Convex Inc. Super Comp.) Automatic Service Activation Program Automatic Speed Buffering Average Season Busy Hour Average Season Busy Hour Call Attempts Average Season Busy Hour Call Completions Autonomous System Boundary Router Abnormal Station Code

ASC Accredited Standard(s) Committee ASC Active Service Component ASC Active Signal Correction ASC Advanced Scientific Computer ASC AIN Switch Capabilities ASC American Satellite Corporation ASC Any Switch Company ASC Application Service Centres ASC Authorized Center ASC Automatic Sensitivity Control ASC Automatic Sequence Control ASC Available Spare Capacity ASC X3 Information Technology of Information Technology Industry Council (ITI) (formerly CBEMA) ASCC Advanced Software Construction Center ASCI Advanced Speech Call Items ASCII American Standard Code for Information Interchange ASCOT Assessment of Systems and Components for Optical Telecommunication s ASCR Asymmetric Silicon Controlled Rectifier ASCS Alarm Sending and Checking System ASD Answer Signal Delay ASD Answer Supervision Delay ASD AutoSave Document File ASDA Advanced Silence Detection Algorithm ASDE Airport Surface Detection Equipment ASDP Alternative Software Delivery Program ASDS ACCUNET Spectrum of Digital Services ASDS ACCUNET Switched Digital Service ASE Active Service Element ASE Amplified Spontaneous Emission ASE Application Service Element ASE ATM Switching Element ASEAN Association of South East Asian Nations ASEANIS ASEAN Indonesia-Singapore submarine cable ASEANPS ASEAN Philippines-Singapore submarine cable ASEM Air System Element Manager ASEQ Allocation Sequence Number ASEQ Ascending Sequence ASET Adaptive Sub-band Excitation Transform ASF Active Streaming Format ASF istrative Storage Facility (NAA-DSA-Bull) ASF Application Function ASF Aspect Source Flag ASF Association Framework ASF Automatic Sheet Feeder ASFB Application Specific Functional Block ASG Abstract Service Group ASG Applications Group ASG Ascend Signaling Gateway ASHE A Simple HTML Editor ASHRAE American Society of Heating, Refrigerating, and Air-Conditioning E ngineers ASI Alternate Space Inversion ASI Ameritech Services, Inc. ASI Application Software Interface ASIC Application-Specific Integrated Circuit ASIM Application Specific Integrated Module ASIM Asynchronous/Synchronous Interface Module ASIP Ameritech Service Improvement Program

ASIS ASK ASK asl ASL ASL ASL ASL ASLIP ASLM ASLT ASM ASM ASM ASM ASM ASM ASM ASM ASM ASM ASM ASMA ASMC ASMDR ASME ASMM ASMP ASMS ASMS ASN ASN ASN ASN ASN ASN ASN ASN.1 ASN-1 A-SNE ASO ASO ASOG ASOS ASP ASP ASP ASP ASP ASP ASP ASP ASP ASP ASP ASP ASP ASP ASP ASP

Application-Specific Integrated Sensor Accessing Software Knowledge Amplitude Shift Keying above sea-level Adaptive Speed Leveling Agent Status Lamp Analog Subscriber Line Arithmetic Shift Left Abbreviated Serial Line Internet Protocol Apple Shared Library Manager Advanced Solid Logic Technology Abstract Service Module Abstract Syntax Machine Address Space Manager Analog Station Module Assembler Assembly Language Assembly Language File Association Mode ATM Service Multiplexer ATM Switched Services Module ATM Switching Module Asynchronous Serial Manchestercode Adapter Advanced Semiconductor Manufacturing Company Advanced Station Message Detail Recording American Society of Mechanical Engineers ATM Service Management Module Asymmetric Multiprocessing Advanced Service Management System Advanced Strategic Missile System Abstract Syntax Notation Access Stack Node Actual Slot Number Alcatel Submarine Networks ATM Service Node ATM Switching Network Authentication Sequence Number Abstract Syntax Notation n° 1 (ITU/ISO) Abstract Syntax Notation One ASE Service Notification Element Application Service Object Automatic Service Observing Access Service Order Guidelines Advanced Services Operations System Abstract Service Primitive Access Service Provider Access Signal Processor Active Server Page Advanced Services Platform Agent Service Participant Alternate Service Provider Application Service Part Application Signalling Processor Application Software Package Application Specific Parameter Asia-South Pacific Assignment Source Point Association of Service Providers Association of Shareware Professionals Auxiliary Service Position

ASPA ASPEC ASPI ASPI ASPI ASPR ASPS ASPS ASPS ASQ ASQ ASQC ASR ASR ASR ASR ASR ASR ASR ASR ASR ASR ASR ASR ASR ASRAM ASSET ASSI AST AST AST AST AST AST AST AST AST AST AST AST/SYS ASTA ASTAP ASTI ASTM ASTP ASTRA ASTTL ASU ASU ASU ASVD ASW ASX ASYNC AT AT AT AT AT AT

AMA Specialized Processing Application Audio Spectrum Coding Advanced SCSI Programming Interface Advanced SCSI Protocol Interface Atlanta Signal Processors, Inc. Automated Split-Referral ing Statistical Processing System ing Statistics Processing System Advanced Space Processor Subsystem Active Service Queue Automated Status Query American Society for Quality Control Abstract Test Suite Selection Rules Access Service Request Adaptive Sample Rate Address Space Alarm State Request Always-Start-from-Root Answer/Seizure Ratio Answer-to-Seizure Ratio Arithmetic Shift Right Automatic Send/Receive (TTY) Automatic Set Relocation Automatic Speech Recognition Automatic Standard Recognition (television) Application-Specific Random Access Memory Advanced Switchable Signaling and Echo-Canceler Terminal Alias Short Subscriber Identity (TETRA) Abstract Syntax Tree Activity Switch Timer Advanced Screen Telephony Advanced Screen-based Telephony Advanced Systems & Technology Alaska Standard Time Anti-Sidetone Asynchronous Service Trap Asynchronous System Trap Atlantic Standard Time Automatic System Testing Access, Storage, and Transfer System Areas of Service State Advanced STatistical Analysis Program At Some TIme American Society for Testing and Materials Advanced Systems and Technology Programme Automated Service and Trouble Report Analysis Advanced Schottky Transistor-Transistor Logic Acknowledgement Signal Unit Application Specific Unit ATM Service Unit Analog Simultaneous Voice and Data All Seems Well ATM Switch Module Asynchronous Abstract Terminal Access Tandem Access Terminal Access Termination Advanced Technology Alternate Time

AT Answer Timing AT Attention AT Attenuation AT Austria Telecom AT Austria Telecommunication AT Automated Testing at Internet country code for Austria AT ISO country code for Republic of Austria AT&T American Telephone and Telegraph AT&T American Telephone and Telegraph Company AT/SSP Access Tandem/Service Switching Point AT/SYS Access and Transfer System ATA Adaptive Transform Audio coding ATA Address Translation Agent ATA Analog Terminal Adapter ATA Analogue Terminals and Access ATA AT Attachment Interface ATA Automatic Trouble Analysis ATA-2 AT Attachment Interface-Second Edition ATAC Adaptive Transformation Audio Coding ATACS Automated Test and istration Control System ATAF ATM Test Access Function ATAPI AT Attachment Packet Interface ATB Address Translation Buffer ATB All Trunks Busy ATBA Automatic Test Break and Access ATBS Attendant Busy Treatment ATC Abstract Test Case ATC Access Tandem to Carrier ATC Access To Carrier ATC Adaptive Transform Coding ATC Address Translation Cache ATC Advanced Technology Center ATC Air Traffic Control ATC ATM Layer Transfer Capability ATC Auto Tune Combiner ATC Automated Test Case ATC Automatic Threshold Control ATC Automatic Time and Charges ATC Automatic Timing Control ATCC Advanced Test Control Center ATC-HS Adaptive Transform Coding Harmonic Scaling AT Ameritec Traffic Control Program AT AppleTalk Control Protocol AT CI AT Command Interpreter ATCRBS Air Traffic Control Radar Beacon System ATD Access Tandem Domestic ATD Asynchronous Time Division ATD Asynchronous Time Division (multiplex) ATD ATM Traffic Descriptor ATD Audio Tone Detection ATD Audio Tone Detector ATDB Active Terminal Data Block ATDE Adaptive Time Domain Equalization ATDE Adaptive Time Domain Equalizer ATDM Asynchronous Time Division Multiplex ATDM Asynchronous Time Division Multiplexing ATDM Asynchronous Time-Division Multiplexed ATDMA Advanced TDMA Mobile Access ATDN Advanced Technology Demonstration Network

ATDNet ATDT ATE ATE ATE ATE ATE ATeam ATEC ATEL ATF ATF ATG ATG ATG ATHB ATI ATI ATIM ATIS ATIS ATK ATL ATL ATL ATLAS ATLAS ATLS ATM ATM ATM ATM ATM ATM ATM ATM ATM ATM ATM25 ATMARP ATM-ARP ATME ATMF ATM-F ATML ATMM ATM-NM ATMOS ATMP ATMR ATMR ATMS ATMS ATMS ATN ATN ATO ATO ATOC A-TO-D

Advanced Technology Demonstration Network Terminal Attach/Detach ATM Terminating Equipment Automated Test Environment Automated Test Equipment Automatic Telephone Exchange Automatic Test Equipment Architecture Team Authorized Technical Education Center Advanced Television Evaluation Laboratory Advanced Tactical Fighter (United States Air Force) Analog Transmitter Filter Air-to-Ground Applied Technology Group Automatic Test Generator Active Terminal Header Block Access Tandem International Alarm Trouble Indicator Ad Hoc TIM Alliance for Telecommunications Industry Solutions Automatic Terminal Information Service Andrew Toolkit ActiveX Template Library Advanced Technology Laboratory Atlanta Abbreviated Test Language for All Systems Abbreviated Test Language for Avionics Systems Automatic Test Load Simulator Abstract Test Method Adobe Type Manager Advanced Testing Methods (former ETSI TC, now MTS) Alternative Test Method Asynchronous Time Multiplexing Asynchronous Transfer Mode ATM Sublayer Austrian Trunk Module Automatic Teller Machine (Bancomat) Autovon Trunk Module 25 Mbps ATM Physical Layer Asynchronous Transfer Mode Address Resolution Protocol ATM Address Resolution Protocol Automatic Transmission Measuring Equipment ATM Forum ATM Forum Advanced Telecommunications Modules Ltd. ATM Management ATM Network Management ATM Optical Switching Ascend Tunnel Management Protocol Asynchronous Transfer Mode Ring ATM Ring Advanced Text Management System Automatic Transmission Measurement System Automatic Transmission Measuring System Attendant ATtentioN (IEEE-488 bus signal) Advanced Technology Offering MDII: Address Complete Timeout Automated TUSA Operator Console Analogue-to Digital

ATOM ATOMICS System ATP ATP ATP ATP ATP ATP ATP ATP ATP ATP ATPC ATPC ATPC ATPG ATPG ATR ATR ATR ATR ATR ATR ATR ATR ATR ATRC ATRC ATRS ATS ATS ATS ATS ATS ATS ATS ATS ATS ATSC ATSC ATSC ATSC ATSI ATSI ATSS ATT ATT ATT ATT ATT ATT ATT ATT ATT ATT ATT (flag) ATTC ATTC ATTCOM

Announcements, Tones, and Occurrences Team Advanced Traffic Observation and Management Information Collecting Acceptance Test Plan Acceptance Test Procedure Access Transport Parameter Advanced Technology Program Advanced Telecommunications Program (of LLNL) Advanced Token Parser Alarm Termination Paddle card All Tests ed Automated Trunk Provisioning Automatic Test Processor Adaptive Transmit Power Control Alarm Termination Paddle Card Automatic Transmit Power Control Automatic Test Pattern Generation Automatic Test Pattern Generator Advanced Telecommunications Research Institute Alcatel Telecommunications Review Answer to Reset Answering Time Recorder Anti-Transmit-Receive tube Audio Tape-Recorder Automatic Tape Reader Automatic Transmitter Automatic Trunk Routining Advanced Television Research Consortium Alternate Terminating Restriction Code Automatic Trouble Reporting System Abstract Test Suite(s) Activity Tracking System istrative Terminal System Advanced Telecom Services Air Traffic Services Alternate Through Stream Applications Technology Satellite Asynchronous Time Sharing Automatic Test System Advanced Television Systems Commission Advanced Television Systems Committee Australian Telecommunication Standardization Authority Australian Telecommunications Standardization Committee Alias TETRA Subscriber Identity American Telecommunications Standards Institute Americas Telecommunications Standards Symposium Active Transaction Table Advanced Traffic Telematics American Telephone and Telegraph Company AT&T Technology (periodical) Attach Attendant Attended Public Telephone ATTenuator Automatic Toll Ticketing Automatic Trunk Testing ATTach Advanced Television Test Center Automatic Transmission Test and Control AT&T Communications

ATTD ATTF ATTH ATTI ATTIND ATTIS ATTIX ATTJ ATTN ATTN ATTR ATTRCLF ATTT ATTT ATTY ATU ATU ATU ATU ATU-C ATUG ATUP ATUR ATU-R ATURS ATV ATV ATV ATVA ATX ATX AU AU AU AU AU AU AU AU au AU AU-3 AU-4 AUAP AUC AuC AUCD AUD AUD AUD AuDID Audix AUDR AUDT AUG AUI AUI AUI AUI AUIS

Avalanche Transit Time Diode Automatic Toll Ticket Facilities ATM-To-The-Home AT&T International Attendant Access Code AT&T Information Systems AT&T Interexchange Carrier AT&T Technical Journal Attention ATTenuatioN Attributes Attendant Recall After Flash AT&T Technologies AT&T Technology (periodical) istrative TTY ADSL Terminal Unit ADSL Transmission Unit Analog Test Unit Antenna Tuning Unit ADSL Terminal Unit- Central Office Australia Telecommunications Group Australian Telephone Part Automatic Telephone Using Radio ADSL Terminal Unit- Remote Automatic Traffic Usage Recording System Advanced Television Amateur TeleVision Automated Test Vehicle American Television Alliance Audiotext Automatic Telex Exchange Access Unit Adaptation Unit istrative Unit Alternate Use Answer Unit Application Unit Arithmetic Unit Autonomous Internet country code for Australia ISO country code for Commonwealth of Australia istrative Unit-Level 3 istrative Unit-Level 4 Accelerated Unified Approval Procedure (ETSI) Authentication Center Authentication Centre Authorization Code Digits AUDible Audit Automatic Dial Audit Data Identifier Audio Information Exchange System Audible Ring Audit istrative Unit Group istration Interface ASE/USA Interface Attachment Unit Interface Attachment Unit Interface (IEEE 802.3) Andrew Interface System

AUL AUMA AU-n AUP AUP AUP AUPI AURP AURST AUSPAC AUSTEL AUSTEL AUT AUT AUT AUT AUT(H) AUTC AUTEL AUTH AUTH AUTH AUTH_KEY AUTH_NO AUTH_PREF AUTH_REQ AUTH_RES AUTH2_REQ AUTH2_RES AUTHAMA AUTO AUTODIN AUTODISP AUTOVON AUTZ AUU AUU AUUSIX AUVAL AUX AUXP AV AV AV AV AV AV AV AV AV AV AV1 AVA AVC AVC AVC AVCS AVD AVD AVD

Automatic Line Autonomous-and-Management istrative Unit-Level n Acceptable Use Policy istrative Utility Programs (NAA-DSA-Bull) Appropriate Use Policy istrative Utility Programmatics Interface (NAA-DSA-Bull) AppleTalk Update Routing Protocol Autonomous-and-Restricted Australian Packet Switching Network Australian Telecommunications Authority AUStralian TELecommunications industry Access Upsizing Tools Authentication Authorised AUThority AUThentication Authentication Asociación de s de TELecomunicaciones (E) Authentication Authorization and Codes Authorization Codes AUTHentication function identifier AUTHentication function to be used PREFerred P AUTHentication function AUTHentication REQuest Information Element AUTHentication RESponse Information Element Alternative AUTHentication REQuest Information Element Alternative AUTHentication RESponse Information Element Authorization Code AMA Automatic Automatic Digital Network Automatic Display Automatic Voice Network Authorization Code ATM -to-ATM Indication ATM--to-ATM- information Acceptance of -to- Signaling from an Interexchange Carrier Authorization Code Validation AUXiliary AUXiliary Pattern Anti-Virus Application Version Association Validator ATM-VME Adaptor Audio/Visual AudioVision Audiovisual Authenticity Verification Autovon Available ATM-VME Adaptor, Type 1 Attribute Value Assertion Audio for Video-Conferencing AudioVisual Connection Automatic Volume Control Advanced Vidicon Camera System Alternate Voice/Data Alternating Voice and Data Audio/Video Driver

AVDP AVDS AVDU AVEC AVG AVI AVI AVI AVIOS AVIS AVJ AVK AVL AVL AVL AVL AVLSI AVM AVMMS AVMMS AVO AVON AVP AVP AVP AVP AVP AVPN AVPS AVR AVR AVR AVR AVS AVS AVS AVS AVS AVSS AVSS AVSSCS aVSt ction) AVT AVX AVx AW AW AW AWA AWACS AWALA AWC AWCDM AWG AWG AWGN a-wire awk AWL

Advanced Video Display Processor Advanced Voice Design System Audiovisual Display Unit Auxiliary Video Extension Connector Average Audio Video Interleave (multimedia format) AudioVisual Information Automatic Vehicle Identification American Voice Input & Output Society Audio-Visual Interactive Service Adaptive Virtual Junctor Audio-Video Kernel Adelson-Velskii and Landis Application Version List Audio/Video Library Available Advanced Very Large Scale Integration Audio Visual Management Audio Visual Multimedia Services AudioVisual/MultiMedia Services (TSAG:ITU-TS) Audiovisual Object AUTOVON Advanced VLSI Packaging Assistant Vice-President Attribute Value Pair Automation Verification Prime AUTOVON Precedence Level ATM Virtual Private Network Audio Visual Protocol Stack Audio Visual Research Automatic Voltage Regulation Automatic Voltage Regulator Automatic Volume Recognition Advanced Voice Services Application View Set Application Visualization System Audio and Visual Services Audio/Video Server Audio/Video System Audiovisual Subsystem Audio-Visual Service Specific Convergence Sublayer aufnehmende Vermittlungsstelle (Take-up exchange for foreign conne AUTOVON Termination ATM-VME Adaptor ATM-VME Adaptor, Type x Addison-Wesley istrative Weight ISO country code for Aruba A W & Associates Airborn Warning And Control System (military avionics) Advanced Wireless Architectures and Lead Applications Area-Wide Centrex Adaptively Weighted Code Division Multiplexing American Wire Gauge (system for specification of wire diameter) Arrayed Waveguide Grating Additive White Gaussian Noise A-wire of the two wire PSTN line Aho, Weinberger, and Kernighan Addison-Wesley Longman

AWRAP AXM AXM AXS AXU AXU AYT AZ AZ AZ AZC AZ-EL

Automated WRAP ATM Multiplex Module ATM Multiplexing Module Application Transfer Service Alarm Cross-Connect Unit Auxiliary Cross-Connect Unit Are You There? AZimuth ISO country code for Azerbaijan U.S. postal code for Arizona All-Zeroes Code AZimuth-Elevation

back to top|0-9|A - B C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z B B B B B B B b B B b B B B channel B&C B&W B/G b/s B/W B/W b1 b2 B3ZS B6ZS B8RZ B8ZS B911 BA BA BA BA BA BA BA BA BA BA BA BaAs BAB BABS BABT

Bearer Bearer channel Bidirectional (frame) Billion Binary Blue Bold (HTML tag) BOOL (int) Bridge (link) Bug b-wire of the two wire PSTN line Byte Interpolative (Between) Traffic channel (64 kbit/s; 32 kbit/s in CT2) Billing and Collections Black and White Battery and Ground Bits per Second Black/White Bothway b-wire connection at the TE input line b-wire connection at the output port of a series-connected TE Bipolar with 3 Zeros Substitution Bipolar with 6 Zeros Substitution Bipolar violations every 8th pulse, Return to Zero Bipolar with 8 Zeros Substitution Basic 911 Emergency Service Asynchronous Balanced Mode Basic Access Basic Algorithm BCCH Allocation Bell Atlantic Bridger Amplifier Broadcast Control CHannel Allocation Buffer Allocation Bus Arbitration Bus Available ISO country code for Bosnia and Herzegovina Basisanschluss (Basic Access) Basic Automation Board Blind Approach Beacon System British Approval Board for Telecommunications

BAC BAC BAC BAC BAC BAC BACN BA BACT BAD BAF BAF BAG BAGNET BAGS BAHAMA BAI BAIC BAIC BAK BAKT BAL BAL BAL BALI BALUN BAM BAM BAM BAM BAMA BAMM BAN BAN BANCMOS BANCS BAND BANDIC BANI BAOC BAOC BAP BAP BAP BAPI BAPM BAPT BAPTA BAR BARGEN BARO BARRIT BARS BAS BAS BAS BAS BAS BAS BAS

Balanced Asynchronous Class (HDLC) Billing and Collection Block-Acknowledged Counter Buffer Address Counter Bus Access Circuit Bus Access Controller Bank ACount Number Bandwidth Allocation Control Protocol Advisory Committee on Telecommunications of Small Businesses (UK) BRI Agent Decoupling Bellcore AMA Format Broadband Access Facilities Circuit Group Blocking Acknowledge message Bay Area Gigabit Network BASS, GSBT, GETAR, Setup Broadband Adaptive Homing Asynchronous Transfer Mode Architecture Border Area Indicator Barring of All Incoming Calls Barring of All Incoming Calls (supplementary service) Backup File Basisanschlusskonzentrator (Basic Access Concentrator) Balance BAtch Length Bearer Channel Allocate Burst ission Based on Load and Interference Balanced/Unbalanced Basic Access Method Basic Access Module Bell Atlantic Mobile Block Allocating Map Beacon-Assisted Multiple Access Bidirectional Asymmetric Multipoint-to-Multipoint Billing Number Boundary Access Node Bipolar Analog CMOS Bell istrative Network Communications System OUTWATS Band Numbers BAND Interexchange Carrier Bell Atlantic Network Integration Barring of All Outgoing Calls Barring of All Outgoing Calls (supplementary service) Bandwidth Allocation Protocol Basic Assembler Program Business Program Barcelona-Pisa Italy submarine cable Bidirectional Asymmetric Point-to-Multipoint Bundesamt für Post und Telekommunikation (D) Bearing And Power Transfer Assembly Basic Algorithm with Reassignment Barcelona-Genoa submarine cable Barcelona-Rome submarine cable BARRier Injection and Transit time diode Basic Automatic Route Selection Base Layer BASic Basic Activity Subset (OSI-SL) BASIC File Bearer Channel Associate Bit Allocation Signal Bit Rate Allocation Signal

BAS BAs BASAR BASE BASE BASE BASET bash BASIC BAsize BASM BASN BASS BAT BAT BAT BAT BAT BAT BAT BAT BATC BATE BATMOS BATMOS BATS BB BB BB BB BB BBA BBC BBC BBC BBC BBC BBC B-BC B-BCC BBD BB-DACS BBER BBF BBG BBG BBG BBGDN BBGDP BBG-I BBGNAME BBGSG BBGXLAR BBH BBI BBIU BBL BBM BBN BBONI

Broadband Access Server Buendelanschluss (Trunk Group/Wire Group) Building Agents ing Adaptive Retrieval Base Layer Basic ASE Broadband ATM/STM Electrical dual bus BASE Type Bourne Again Shell Beginner's All Purpose Symbolic Instruction Code Buffer Allocation Size Built-in Assembler Block-Acknowledged Sequence Number Basic Session Service Bandwidth Allocation Threshold Batch File Battery Bearer Channel Attribute Bell Atlantic Billing Architecture Team Block Address Translation BRI Architecture Team Block Address Translation Cache Baseband Adaptive Transversal Equalizer Bipolar Analog Telecommunications Metal Oxide Semiconductor Bipolar Analog Telephony CMOS Bit Access Test System BaseBand Bluebook Bluebox Broadband ISO country code for Barbados Broadband Access Bearer Channel Break Connection Bjarne's Better C British Broadcasting Corporation (UK) Broadband Bearer Capability Broadband Coupler Broadcast Bearer Control Broadband Bearer Capability Broadband Bearer Channel Connection Bucket-Brigade Device Broadband DACS Background Block Error Ratio Blue Box Fraud Basic Business Group Basic Business Group Identifier Basic Business Group Number BBG Intercom Number Basic Business Group Dialing Plan ISDN Basic Business Group Basic Business Group Name Basic Business Group, Subgroup BBG Digit Collection, Translations, and Routing Bouncing Busy Hour Begin Bracket Indicator (SNA) Beginning of BIU Backbone Leg Bandwidth Balancing Mechanism Bolt, Beranek, and Newman Broadband Optical Network Interface

BBP BBS BBS BBSM BBT BBT BBTG BBU B-BUS BC BC BC BC BC BC BC BC BC BC BC BC BC BC BC BC BC BC Bc BC BC++ BC4 BC4.5 BC5 BC5.0 BCA BCA BCAF BCAJ BCAL BCAP BCap BCB BCC BCC BCC BCC BCC BCC BCC BCC bcc BCC BCC BCC BCC BCCD BCCH BCCH BCCIS BCCMS

Binary Backoff Procedure (CSMA/CD) Bulletin Board Service Bulletin Board System (mailbox) Basic Bearer State Machine Board to Board Testing BroadBand Technologies Broadband Task Group Baseband Unit Broadcasting Broadcast/Unknown Server Backward Congestion Indicator Bar Code Basic Call Basic Control Basic Control Batch Counter Bearer Capabilities Bearer Capability Bearer Channel Bearer Control Bearer Controller Bell Canada Billing Collector Binary Checksum Bon de Commande Broadcast Buffer Control (multimedia) Bus Controller Committed Burst Size Postal code for British Columbia Borland C++ Borland C++ 4.0 Borland C++ 4.5 Borland C++ 5.0 Borland C++ 5.0 Basic Coverage Area B-Channel Availability Bearer Control Agent Function Borland C++ Add-on for Java Basic Coin Access Line Basic EKTS Call Appearance Bearer Capability Borland C++ Builder Base Station Color Code Base transceiver station (BTS) Colour Code Battery Charge Controller Bearer Channel Connection Bearer Connection Component Bearer Connection Control Bellcore Client Company Bit Character Count Blind Carbon Copy Block Check Character Block Check Code Block-Completed Counter Blocked Calls Cleared Bulk-Channel Charge-Coupled Device Broadcast Channel Broadcast Control Channel Bell Canada Circuit Inventory System BUNI Command and Control Message Set

BCCSS BCD BCD BCD BCD BCD/B BCD/Q BCDC BCDIC BCDMA BCE BCE BCE BCEA BCEAM BCED BCET BCETYPE BCF BCF BCF BCF BCF BCF BCFr BCG BCGD BCH BCH BCH BCH BCH BCH BCi BCI BCI BCI BCI BCI BCI BCI BCID BCIE BCK BCL BCL BCL BCLID BCLP BCM BCM BCM BCM BCM BCM BCM BCM BCM BCMRA BCMS

Business Customer Communications Switching Study Binary Coded Decimal Binary Coded Digits Blocked Calls Delayed Booked Call Database Binary Coded Decimal/Binary Binary Coded Decimal/Quaternary Bellcore Corporate Data Contract Binary Coded Decimal Interchange Code Broadband CDMA Base Station Control Equipment Bell Canada Enterprises Bridged Call Exclusion Bridged Call Exclusion Activate Bridged Call Exclusion for Analog Member of EKTS Bridged Call Exclusion Deactivate Bridged Call Exclusion Toggle Bridged Call Exclusion Type Bandwidth Change Confirmation Bandwidth Confirm Base Station Control Function Bearer Control Function Bridge Control Facility Burst Control Function Bearer Control Function (Radio) Bell Communications Group Business Communication Group Digits B-Channel Bearer Channel Bids per Circuit per Hour Binary Coded Hexadecimal Bose-Chaudhuri-Hocquenghem Broadcast Channel Backward Call Indicator Backward Call Indicators Backward Congestion Indication Bearer Control Identifier Begin Chain Indicator (SNA) Bell Canada International Bit Count Integrity BroadCast Interference Bearer Channel Identifier Bearer Capability Information Element BloCK Base Class Library Base ConLan BroadCast Listener Bulk Calling Line Identification Buffer of Copies of Local Packets Basic Call Manager Basic Call Model B-Channel Manager Bearer Channel Manager Bell Cablemedia Benchmark Cost Model Binary Coded Matrix Bit-Compression Multiplexer Buried Coarctate Mesastructure B-Channel Common Maintainable Resource Aggregate Bearer Channel Manager Surrogate

BCN BCN BCNI BCNSP BCNU BCO BCO BCO BCOB BCOEDN BCOR BCOS B B B B B B B BL BM BN BCR BCR BCR BCR BCR BCR BCR BCR BCRIS BCS BCS BCS BCS BCS BCS BCS BCS BCS BCS BCS BCS BCS BCS BCS BCS BCS-1 BCSC BCSM BCSM BCSMON BCSN BCST BCT BCT BCT B-CTI BCTP BCTS

Backbone Concentrator Node Beacon Bearer Capability Not Implemented Basic Call Network Service Participant Be seeing you Battery Cut-Off B-Channel Observer Borrow with Channel Ordering Broadband Connection Oriented Bearer Bearer Capabilities Per OE/DN BCO with Reassignment Business Class of Service Basic Call Participant Basic Call Process Basic Call Processing Best Current Practices Billable Calls Per Hour Binary Communications Protocol Binary Control Protocol (BSC) Basic Computer Programming Language Barker Code Position Modulation Business Customer Premises Network Bearer Channel Rate Bearer Channel Resource Bell Communications Research Block Coding Rate Branch Condition Business Communications Review (periodical) Byte Count Community Bureau of Reference Bell Customer Records Information System Basic Coding Structure Basic Combined Subset (OSI-SL) Batch Change Supplement B-Channel Circuit-Switched Bearer Channel Server Bearer Channel Surrogate Block Check Sequence Block Control Signal Boundary Control Stabilization Branch if Carry Set British Computer Society Bulk Change Software Bulk Change Supplement Bus Control System Business Communication System Business Communications Services Binary Compatibility Specification-1 Business Customer Service Center Basic Call State Machine Basic Call State Model BCS Monitor Block-Completed Sequence Number Broadcast Business Communications Terminal Business Cordless Telecommunications system Business Cordless Telephone Broadband Computer-Telephony Integration Buffer of Copies of Transit Packets Broadcasting and Communications Technology Satellite

BCU BCUG BCUGO BCUP BCUSP BCV BCVT BCW Bd BD BD BD BD BDAM BDC BdC BDC BDCL B-DCN B-DCS BDE BDE BDF BDF BDF BDG BDH BDK BDLC BDM BDM BDM BDN BDOS BDPSK BDR BDR BDRA BDS BDS BDS BDSL BDSL BDT BDT BDT BDT BDT BDT BDT BDT BDTS BDU BDV BDW BDW BE BE BE BE

Battery Control Unit Bilateral Closed Group Bilateral Closed Group with Outgoing access Basic Call-Unrelated Process Basic Call Service Participant Basic Call View BasiC Virtual Terminal (OSI-SASE) Borland C++ for Windows Baud BoarD Broadband Descrambling Buffer Descriptor ISO country code for People's Republic of Bangladesh Basic Direct-Access Method Backup Domain Controller Bon de Commande Borland Developers Conference Borrowing with Directional Channel Locking Backbone Data Communication Network Broadband Digital Cross-Connect System Baseband Distribution Equipment Borland Database Engine Baseband Distribution Frame Binary Distribution Format Bitmap Distribution Format BNR Design Group Board Day Hour Beans Development Kit Burroughs Data Link Control protocol (Burroughs Inc.) Background Debug Mode Background Debug Monitor Bit Demodulator Bell Data Network Basic Disk-Operated System Binary Differential Phase-Shift Keying Bell Doesn't Ring Border Format File Boot Data Reserved Area Basic Data Service Billing Data Set Broadband Distribution Shelf Bisymmetric Digital Subscriber Line Bisymmetrical Digital Subscriber Line Basic Method with Double Transmission Billing Data Tape Billing Data Template Billing Data Transmitter Billing Design Team Bulk Data Transfer Bureau for Telecommunication Development Telecommunication Development Bureau Bulk Data Transfer Subsystem Baseband Distribution Unit Breakdown Voltage Block Descriptor Word Buried Distribution Wire Band Elimination Begin-End Tag Beschaltungseinheit (Line Unit) (Connection Unit) Best Effort

BE BE BE Be be BE BEA BEA it) BEAMA BEC BEC BEC BEC BECM BECN BED it) BED BEDC BEDO BEE BEE BEF BEF BEG BEITA BEL BEL BEL BELLCORE Bellcore BEO BEOFD BEP BEP BEP BEPI BEQL BER BER BER BER BER BERLU BERP BERR BERT BERT BERT BERT BES BeSS BEST BET BET BEtag BETR BETRS BEV

Big-Endian Block Error Business Environment Excess Burst Size Internet country code for Belgium ISO country code for Kingdom of Belgium Analoge Beschaltungseinheit (Analog Line Unit) Beschaltungseinheit fur Analogen Anschluss (analogue connection un Federation of British Electrotechnical and Allied MAnufacturers Basic Error Control Basic Error Correction Belgisch Elektrotechnish Comite (B) British Electrotechnical Committee Band-Edge Component Maximization Backward Explicit Congestion Notification Beschaltungseinheit fur Digitalen Anschluss (digital connection un Digitale Beschaltungseinheit (Digital Line Unit) Block Error Detection Code Burst Extended Data Out Bachelor of Electrical Engineering Bit Encoding Errors Band Elimination Filter Band Elimination Filter BEGinning Business Equipment and Information Technology Association (UK) Bell BELl Business Environment Element Bell Communications Research Bell Communications Research Bramalea Engineering Office Broadband End of Frame Delimiter Back End Processor Building Entry Protector Burst Error Processor Block Effective Page Index BITE Entity Query Language Basic Encoding Rules Basic Encoding Rules Bit Error Rate Bit Error Ratio Bus ERror Broadband-Enhanced Remote Line Unit Bit Error Rate Performance Bus Error Bit Error Rate Test Bit Error Rate Testing Bit Error Ratio Test Bit Error Ratio Testing Basic Encoding Scheme Bell Laboratories Storage System Base Employee Satisfaction Team Black Entertainment Television Business Effectiveness Team Beginning-End Tag Basic Exchange Telecommunications Radio Basic Exchange Telecommunications Radio Service Bearer Channel Event

BEX BEXR BF BF BF BF BFA BFC BFC BFCV BFD BFD BFI BFI BFI BFMA BFO BFP BFP BFP BFR BFR BFR BFS BFS BFS BFSI BFSK BFSR BFT BFT-NSF BFTP BFU BFU BFU BG BG BG BG BG BG BG BG/EEE BG2WAY BGA BGAC BGCW BGCWT BGDP BGDP-I BGE BGE-I BGI BGID BGID BGIN BGL BGMAOR BGMATR BGOUT

Broadband EXchange Basic Exchange Radio Best-Fit Boundary Function Branching Filter ISO country code for Burkina Faso Borrow First Available Base Flexible Calling Briefcase file Binary Facility Coding Value Basic File Directory Battery Failure Detector Bad Frame Indication Basic File Index Brute Force and Ignorance Block Failure Mode Analysis Beat Frequency Oscillator Basic Format Packet Basic Format Packetization Basic Freephone Back-Face Removal (3-dimensional electronic imaging) Bridged Frequency Ringing BuFfeR Backplane File System Boot File System Breadth-First Search Broadcast Fixed System Identity Binary Frequency Shift Keying Busy-Flash Seizure Ratio Binary File Transfer Binary-File Transfer- Non-Standard Facilities Frame Background File Transfer Program Betriebsfuehrungsumsetzer (Operation Converter) Bit-Field Unit Booster Fan Unit BackGround Battery Ground Below Ground Billing Group Bus Grant Business Group ISO country code for People's Republic of Bulgaria Below Ground Electronic Equipment Enclosure Business Group 2-Way Ball Grid Array Business Group Automatic Callback Business Group Call Waiting Business Group Call Waiting Business Group Dialing Plan ISDN Business Group Dialing Plan Business Group Element ISDN Business Group Element Borland Graphics Interface Business Group Identification Business Group Identifier Business Group Inward Business Group Line Business Group Member Access Originating Restrictions Business Group Member Access Terminating Restrictions Business Group Outward

BGP Border Gateway Protocol BGP4 Border Gateway Protocol 4 BGP-4 Border Gateway Protocol 4 BGTYPE Business Group Type BGU Basic Grid Unit BH Base High Half BH Buried Heterostructure (IC Process) BH Busy Hour BH ISO country code for State of Bahrain BHC Basic Half Call BHC Busy Hour Call BHCA Busy Hour Call Attempt(s) BHCC Busy Hour Call Completion BHCV Busy Hour Call Volume BHDT Broadband Host Digital Terminal BHE Bus High Enable BHL Busy Hour Load BHLF Basic High Layer Function(s) BHLI Broadband High Layer Information B-HLI Broadband High Layer Identifier B-HLI Broadband High Layer Information BHMI BaseHMI BHT Begin Hunt BHT Begin-Hunt Terminal BI all Barring of Incoming call services BI Backward Indicator BI Barge-In BI Barring of All Incoming Calls BI Behaviour Inopportune BI Bidirectional BI Bilingual Interface BI Billing Instructions BI Borland International BI Bus Interface BI ISO country code for Republic of Burundi BIAC Business and Industry Advisory Committee (OECD) BIB Backward Indicator Bit BIBR Backward Indicator Bit Received BIBT Backward Indicator Bit Transmitted BIBX Backward Indicator Bit Expected BIC Barring of Incoming Calls (TETRA) BIC Bearer Identification Code BIC BRISC Interrupt Controller BIC Bus Interface Card BIC Bus Interface Controller BICAP BInary CAPacitor BICI BISDN Inter-Carrier Interface BICI Broadband Inter-Carrier Interface B-ICI BISDN Inter-Carrier Interface B-ICI Broadband Inter-Carrier Interface B-ICI Broadband ISDN Inter-Carrier Interface BiCMOS Bipolar CMOS Bi-CMOS Bipolar Complementary Metal Oxide Semiconductor BI-CONF B-ISDN Conferencing BIC-Roam Barring of Incoming Calls when Roaming outside the HOME PLMN count ry (supplementary service) BICS Building Industry Consulting Service BICSF Berkeley/IRCAM/CARL Sound File BID Base IDentity code BIDDS Base Information Digital Distribution System

BIDI BIDS BIDS BIDS BIDTC BIF BIFP BIGFET BIH BIIS BILBO BILGE BILGE BILL BILLDATS BILLTYP BIM BIM BI-MCAST BI-MP BIMOS Bi-MOS BIMPS BIN BIN BIN bin BIN BINAC BIND bing BINR BIO BIOP BIOS BIOS BIP BIP BIP-N BIPT BIPV BIR B-IR BIS BIS BIS BIS BIS BIS BISAM BISCOM BISCUS BISDN B-ISDN BISI B-ISSI BIST BISTSS BISUP B-ISUP

Bidirectional Display Borland International Data Structures Broadband Integrated Distributed Star Broadband Interactive Data Services B-Channel Incoming Default Throughput Class Bus Interface Base Interface Front-end Processor Bipolar Insulated Gate Field Effect Transistor Bureau International de l'Heure Binary Interchange of Information and Signalling Built-In Logic Block Observation Binary Load Generation Binary Load Image Billing Billing Data System Billing Types Broadcast Information Memo Byte-Interleaved Multiplexer B-ISDN Multi-Casting B-ISDN Multiple Connections Point to Point Bipolar Metal Oxide Semiconductor Bipolar Metal Oxide Semiconductor B-Channel Incoming Maximum Packet Size Barge-In Bearer Channel Set Integrity Binary Binary Business Information Network BINary Automatic Computer Berkeley Internet Name Domain Bandwidth ping Basic Intrinsic Noise Ratio Bit Input/Output Broadcast Interoperability Protocol Basic Input/Output Services Basic Input/Output System Bit Interleaved Parity Breaker Interface Bit Interleaved Parity N Belgium Institute for Posts and Telecommunications (B) Bit Interleaved Parity Violation Bureau International de la Recuperation Bell-Independent Relations Bearer Independant Service Border Intermediate System British Imperial measurement System Brought Into Service Bureau of Indian Standards Business Information System Basic Indexed Sequential Access Method Business Information Systems-Communications System Business Information System/Customer Service Broadband ISDN Broadband ISDN Busy/Idle Status Indicator Broadband Inter-Switching System Interface Built-In Self Test Business Information System/Trunks and Special Services Broadband ISDN Part Broadband ISDN Part

BISYNC BISYNC BIT BIT bit BIT BITBLT BitBlt BITE BITE BITE BITEL BITNET BITNIC BITS BITS BITS BIU BIU BIU BIX BIX BJ BJT BK BK BKER BKI BKWD BL BL nce centre) BL BL BLA BLA BLAST BLAST BLC BLC B-LCSE BLD BLD BLD BLDN BLDNTSP BLER BLER BLER BLERT BLERT BLERT BLF BLG BLIC BLID BLK BLKD BLLF B-LLI

Binary Synchronous Communication BInary SYNchronous Communication (COP, IBM Inc.) Basic Interconnection Test(s) Billing Infrastructure Team Binary Digit Built-In Test BIT Boundary BLock Transfer Bit-Block Transfer Backward Interworking Telephone Event BNR Integrated Test Environment Built In Test Equipment Bildschirm Telefon Because It's Time Network BITNET Network Information Center Building Integrated Timing Source Building Integrated Timing Supply Building Integrated Timing System Base Station Interface Unit Basic Information Unit (SNA) Bus Interface Unit Building Interoffice Crossconnect Byte Information Exchange ISO country code for People's Republic of Benin Bipolar Junction Transistor BasK Break Block Error Rate Break-In BacKWarD Base Low Half Betriebslenkung (Deutsche Telekom regional operations and maintena Betriebslenkung (Operational Routing) Blue Lightning Blocking Acknowledgement signal Blocking Acknowledgment message Balanced Logic Asynchronous Synchronous Transceiver Chip Blocked Asynchronous Transmission Billing Collector Buffer Location Counter Bidirectional Logical Channel Signalling Entity Binary Load Dump (SPADE) Block of Logical Drawers Build File Blank Directory Number Treatment Billing DN Per TSP BLock Error Rate (digital test parameter) Block Error Ratio Block Error Result Bit-Loss Error Rate Testing Block Error Rate Test Block Error Rate Testing Busy Lamp Field Circuit Group Blocking message Bimos Line Interface Circuit Basic Calling Line ID Block Blocked Basic Low Layer Function(s) Broadband Low Layer Information

BLM BLM BLM B-LMI BLN BLO BLO BLOb BLOS BLP BLP BLP BLR BLR BLS BLS BLS B-LS BLSR BLT blt BLTJ BLTJ BLU BLV BLV/INT BM Bm BM BM Bm BM BMA BMA BMA B-MAP BMAS BMC BMC BMC BMC BMC II BMI BML BMLA BMMI BMP BMP BMP BMP BMP BMPT BMS BMS BMS BMS BMS BMS BMSD BMSM

Basic Line Monitoring Business Line Management Business Line Manager Broadband Local Management Interface Backbone Link Node Blocking message Blocking signal Binary Large Object Beyond Line of Sight Bar Line Printer Buffer of Local Packets By Label Processing Bell Laboratories Record Blocking/Unblocking Signal Reception Basic Line Services Block Link Sets Blocking/Unblocking Signal Sending Broadband-Locking Shift Bidirectional Line-Switched Ring Block Transfer Block Transfer AT&T Bell Laboratories Technical Journal Lucent Technologies Bell Labs Technical Journal Basic Link Unit Busy Line Verification Busy Line Verification/Operator Interrupt Basestation Module Bearer-Mobile Channel Buffer Memory Button Message Full-rate traffic channel ISO country code for Bermuda Board Management Agent Broadband Multiple Access Business Maturity Assessment B-field MAP Business Management System Bearer Channel Make Connection Billing Media Converter Broadcast Message Control Burst Mode Controller Billing Media Converter II Branch if MInus Business Management Layer Burst Mode Link Analyser Bilingual Man-Machine Interface Basic Multilingual Plane Bearer Channel Monitor Reliability Stop Bitmap Bitmap File Microsoft Windows Bitmap Bundesministerium (Bundesamt) für Post und Telekommunikation Backup Management System Bandwidth Management Service Bearer Channel Monitor Reliability Start Broadcast Message Server Broadcast Message System Buffer Management System Business Management System Description BMS Manager

BMU BMU BMU BN BN BN BN BN BN BN BN BN BNA BNA BNA BNA BNC BNC BNC BNCSM BNF BNI BNI BNIG BNIL BNK B-NLS BNM BNM BNMR BNN BNN BNQ BNR BNR BNRJ BNS BNS BNS BNS BNS B-NT B-NT1 B-NT2 BNU BNV BNZS BO BO BO BO BO BO BO BO BO EOC BOA BOAM BOC BOC

Basic Measurement Unit Battery Management Unit Bit Manipulation Unit Backward Explicit Congestion Notification Basic Numbered Billing Number Billing Number Records Bit Number Bonding Network Bridge Number Button Notification ISO country code for Brunei Darussalam Backbone Network Architecture (as opposed to CNA) Billing Name and Address Burroughs Network Architecture Burst Not Acquired Bayonet Neill Concelman Bayonet Nut Connector British National Connector Basic Non-Call-Associated State Model Backus-Naur Form Blank Number Intercept Broadband Networks Inc. Before the Next Interaction Globally Before the Next Interaction Locally Betriebsfuhrung-Netzknoten (Operations Network Node) Broadnand-Non-Locking Shift Bureau de Normalisation de la Mechanique Business Network Management Business Network Modernization Research Balanced Network Number Bridged Night Number Burst Not Qualified Bell Northern Research Billing Number Record BNR Japan Billed Number Screening Billing Number Selection Broadband Network Services Broadband Networking Services Business Network Services Broadband Network Termination Equipment Broadband Network Termination- Type 1 Broadband Network Termination- Type 2 Basic Networking Utilities Balance Network Value Binary N Zeros Substitution all Barring of Outgoing call services Back Off Barring of All Outgoing Calls Bit-Oriented Branch Office Byte Ordering Invalid Behaviour ISO country code for Republic of Bolivia Bit-Oriented Embedded Operations Channel Basic Object Adapter Bell Owned And Maintained Barring of Outcoming Calls (TETRA) Bell Operating Company

BOC BOC BO BOD BOD BODTC BOF BOF BOF BOI BOIC BOIC BOIC-exHC he Home PLMN BOL BOLD BOM BOM BOM BOM BOMMO BOMPS BOMSIG BON BON BONALS BOND BONDING BONT BOOTP BOP BOP BOPS BOR BORAM BORSCHT Hybrid, and BORSCHT BOS BOS BOS BOS BOS BOSS BOSS BOSS BOSS BOSS BOT BOT BOT BOTM BP BP BP BP BP BP BP BP

Bell Operating Company Build-Out Capacitance Bellcore Operations System Network Communications Protocol Bandwidth On Demand Battery On Discharge B-Channel Outgoing Default Throughput Class Beginning Of File Beginning of Frame Birds of a Feather Blind Operator Interface Barring of Outgoing International Calls Barring of Outgoing International Calls (supplementary service) Barring of Outgoing International Calls except those directed to t Country (supplementary service) Beginning of Life Bit-Oriented Line Discipline (SWIFT) Base Operational Measurements Beginning of Message Bill of Materials Bit-Oriented Message Base OMMO B-Channel Outgoing Maximum Packet Size Business Object Management Special Interest Group Better Object Notation Business Object Notation Type "B" Off-Network Access Lines Bandwidth On Demand Bandwidth On Demand Interoperability Group Broadband Optical Network Termination Bootstrap Protocol Bit Oriented Protocol (SDLC/HDLC) Bit-Oriented Protocol Billion Operations Per Second Beginning of Recording Block ORiented Random Access Memory Battery Feed, Overvoltage Protection, Ringing, Supervision, CODEC, Testing Battery Overvoltage Ringing Signalling Coding Hybrid Test Basic Operating System Basic Operation System Bell Operating System Billing Outputs Specifications Build Options Specification Billing and Order Systems Binary Object Storage System Binary Object Streaming Service Broadband Operations System Business Operations Services and Systems Beginning of Tape Build-Operate-Transfer Busy Override Tone Beginning Of Tape Mark Back Plane Back Pressure Backplane Band Base Pointer Basic Position Basic Purpose Bearer Path

BP BP BP BP BP BP BPAD BPAM BPB BPC BPC BPC BPC BPC BPCI BPCS BPD BPDU BPDU BPF BPF bpi BPI BPI bpi BPKTGP BPl BPM BPMCC BPO BPON BPON BPP bpp BPP BPP BPR BPR BPRZ BPS BPS bps BPSK BPSK BPSN BPSR BPSS BPSS BPU BPU BPV BPVO BPX BQ BQ BQA BQPRIV BQRS B-QSIG BR

Billing Profile Block Parity Breakeven Point Breakpoint Burst Period By Binary Synchronous Communication Packet Assembly/Disassembly Basic Partition Access Method BIOS Parameter Block B Party Control Bearer Path Connection Bilateral Private Circuit Bits Per Character Broadband Processing Card BellSouth Personal Communications Inc. Broadband PCS Backplane Driver Battery Power Distribution Unit Bridge Protocol Data Unit Band Filter Berkeley Packet Filter Bits Per Inch Bits Per Inch Business Performance Incentive Bytes Per Inch B-Channel Packet Group Bedienplatz (Operator Position) Beats Per Minute Borland Presentation Manager Custom Control British Post Office Broadband over ive Optical Network Broadband ive Optical Network Billed Party Preference Bits Per Pixel Bridge Port Pair Buffered Pipe Protocol Backplane Receive Business Process Reengineering Bipolar Return to Zero Background Processing State Basic Programming Bits Per Second Binary Phase Shift Keying (2-PSK) Binary Phase-Shift Keying Broadband Packet-Switched Network Bidirectional Path-Switched Ring Basic Packet Switched System Basic Packet Switching Service Bit boundary block transfer Processing Unit Branch Processing Unit Bipolar Violation Bipolar Violation Overflow Broadband Packet Exchange Broadcast Quality Burst Qualified Broadcast Quality Applications Block Queries for Private Numbers Bellcore Quality Registration Services Broadband QSIG Base

BR BR BR BR BR BR BR BR BR BR BR BR BR BR BR0 BR1 BR2 BR3 BRA BRA BRACAN BRAFS BRAG BRAKS BRAM BRAMFT BRAN BRB BRB BRC BRC BRCO BRCS BRCS BRCX BRDG BRE BREV BRF BRF BRF BRG BRG BRG BRG BRGSERV BRH BRI BRI B-RI BRICM BRIDIAG BRIFS BRI-ISDN BRIMTC BRISC BRISC BRISP BRISS BRIT

Basic Rate Basic Rate access Battery Return Battery Reversal Billing Report Bit Rate Branch Break Bridge Bus Request Byte ISO country code for Federative Republic of Brazil Line Break (HTML tag) Radiocommunications Bureau (ITU) Base 0 Base 1 Base 2 Base 3 Basic Rate Access Basic Rate Area Brazil-Canary Islands submarine cable Basic Rate Access Functional Set Basic Rate Agency Basic Rate Access Key Set Brampton Basic Rate Access Meridian Feature Transparency Broadband Radio Access Network(s) Basic Rate Boundary Be right back Bidirectional Trunk Group Reservation Control Bit Rate Converter Broadband Restoration Control Office Business and Residence Custom Services Business and Residential Customer Services Bit Rate Converter Bridge Basic Regular Expression Base Relation Evolution Band Rejection Filter Bandwidth Request Field Bell Rings Faintly Baud Rate Generator Bit Rate Generator Bridging Business Research Group Digital Bridging Bureau of Radiological Health Basic Rate Interface (2x64kbit/s+1x16kbit/s) Basisanschluss (Basic Rate Interface) Broadband-Repeat Indicator Basic Rate Interface Communications Module BRI Diagnostics Task Basic Rate Interface Functional Signalling Basic Rate ISDN BRI Maintenance Task BNR Reduced Instruction Set Computer BNR Reduced Instruction Set Computing BRI Signaling Processor BRI Service Supervisor Basic Rate Interface Trunk

BRITE BRITE BRI-U BRIV BRIV-108 BRIV-OE ification BRJ BRJ BRK BRKT BRL BRLC BRM BRM BRND BROM BROUTER BRQ BRQ BRS BRS BRS BRS BRSU BRT BRT BRUS BRV BS BS BS BS BS BS BS BS BS BS BS BS BS BS BS BS BS BS BS BS BS BSA BSA BSA BSA BSA BSA BSAC BSAM BSAP BSB

Basic Basic Basic Basic Basic Basic

Rate Interface Transmission Extension Research in Industrial Technologies for Europe Rate Interface- U-Interface Rate Interface Verification Rate Interface Verification, 108-Type Test Line Loopback Rate Interface Verification, Office Equipment Assignment Ver

Bandwidth Change Reject Bandwidth Reject Break BRacKeT Balance Return Loss Broadband Remote Line Concentrator Backward RM-cell Basic Reference Model (=RM OSI) Branding Bipolar Read-Only Memory Bridge and ROUTER combination (layer 3 internetworking) Bandwidth Change Request Bandwidth Request Base Radio Stack (TETRA) Big Red Switch Block Received Signal Buried Ridge Structure Broadband Remote Switch Unit BIC Relay Test Business Remote Terminal Brazil-U.S. submarine cable Backup Recovery Vector Back Shift Back Space Backing Store Backspace BackSpace (ASCII Character) Backward Signaling Banded Signaling Base Station Base Station Basic Service (group) Basic Session Bearer Service Block Start British Standard (UK) Broadcast Satellite Broadcasting Satellite Broadcasting Service Brush Style Busy Season Button Style ISO country code for Commonwealth of the Bahamas Base Station Address Basic Service Area Basic Serving Arrangement B-Channel Selection Algorithm Broadband Services Amplifier Business Software Alliance Broadcasting Spectrum Advisory Committee Basic Sequential Access Method Base Station Application Part BackSpace Block

BSB BSC BSC BSC BSC BSC BSC BSC B-SC BSCA BSCA BSCL BSC-OS BSD BSD BSD BSDB BSDI BSDL BSD-LFS BSE BSE BSEE BSET BSF BSG BSG BSG BSGDP BSGL BSGL BSH bsh BSHR BSHR/2 BSHR/4 BSI BSI BSI BSI BSI BSI BSI BSIC BSIC BSkyB BSLT BSM BSM BSM BSM BSM BSMM BSMS BSMS BSMS BSN BSN BSNR BSNT

BaSeBand (Radio Repeater) Banctec Service Corp Base Station Controller Binary Synchronous Communication Binary Synchronous Communications Broadband Service Controller Browser Information file Business Service Center Broadband-Sending Complete Binary Synchronous Communication Adapter Busy Second Call Attempt Bell System Common Language Base Station Controller- Operation System Berkeley Software Distribution Berkeley Standard Distribution Busy Disposition Business Services Database Berkeley Software Design, Inc. Boundary-Scan Description Language BSD Log-Structured File System Basic Service Element Byte Stream Element Bachelor of Science and Electrical Engineering Business Set BackSpace File Basic Service Group Basic Service Group British Standard Guage Business Subgroup Dialing Plan Branch Systems General Licence (UK) Branch Systems General License Bourne Shell Bourne Shell Bidirectional Self-Healing Ring 2-Fiber Bidirectional Self-Healing Ring 4-Fiber Bidirectional Self-Healing Ring Backward Status Indicators Backward Status Information Binary Synchronous Interface Bit Sequence Independence Bit-Stream Information British Standard Institute(ion) (UK) British Standards Institution Base Station Identity Code Base transceiver Station Identity Code British Sky Satellite Broadcasting Broadband Subscriber Line Terminal Backward Set-Up Message Base Station Manager Billing Services Management Billing Systems Management Broadband Switching Module Bidirectional Symmetric Multipoint-to-Multipoint Base Site Management System Broadband Service Managent System Business Service Monitoring System Backward Sequence Number Broadband Service Node Backward Sequence Number Received Backward Sequence Number Transmitted

BSOD BS-OS BSP BSP BSP BSP BSPM BSPP BSR BSR BSR BSRF BSRF BSRFN BSRFS BSRP BSRS BSS BSS BSS BSS BSS BSS BSS BSS BSS BSS BSS BSSAP BSSAP BSSGP BSSM BSSMAP BSSMAP BSSMAP BSSMAP BSSOMAP B-SSP BST BST BST BST BSTJ B-STP BSTR BSTS BSU BSUG BSVC BSVCI BSVR BSW BSXF BSY BT BT BT BT BT BT

Blue Screen of Death The part of the Base Station dealing with the O & M process Bell System Practice Bitsurfer Pro Board Package Bootstrap Processor Bidirectional Symmetric Point-to-Multipoint Bidirectional Symmetric Point-to-Point BackSpace Record Branch to SubRoutine Broadband Services Receiver Basic Synchronization Reference Frequency Bell System Reference Frequency Bell System Reference Frequency Network Bell System Reference Frequency Standard Base Station Radio Part (TETRA) Bell System Repair Specification Base Station Subsystem Base Station System Basic Service Set Basic Session Service Basic Synchronized Subset Basic Synchronized Subset (OSI-SL) Block Started by a Symbol Broadband Switching System Broadcast Satellite Service Broadcasting Satellite Service Business Service System Base Station Subsystem Application Part Base Station System Application Part BSS GPRS Protocol Basic Service State Machine Base Station Subsystem Management Application Part Base Station Subsystem Mobile Application Part Base Station System Management Application Part BSS Management Part Base Station System Operation and Maintenance Application Part Broadband SSP Base Station Transceiver Binary Search Tree British Summer Time Busy Tone Bell System Technical Journal Broadband STP Basic String Broadband Series Test System Baseband Switching Unit Bilateral Closed Group Broadcast SVC Broadcast Signaling Virtual Channel Identifier Billing Server Broadcast Services for Windows Burst Sync Failure (SPADE) Busy Bandwidth Time product Base Transceiver Begin of Tape BiT sublayer Bit Time Bridge Tap

BT BT BT BT BT BT BT BT BT7 BTA BTA BTA BTA BTA B-TA BTAC BTAC Btag BTAM BTAM BTB BTC BTC BTCF BTDS BTE BTE BTE B-TE BTF BTF BTF BTI BTI BTITS BTL BTL BTL BTLD BTM BTMA BTN BTNR BT-NUP BTO BTO BTP BTP BTP BTPC BtPl BTR BTR BTR BTR BTR BTRI BTRL BTS BTS

British Telecom Bureau Technique Burst Tolerance Business Telecommunications Business Telecommunications (ETSI TC, later BTC) Busy Test Busy Tone ISO country code for Kingdom of Bhutan British Telecom Signaling System 7 Basic Trading Area Beijing Telecommunications istration Broadband Terminal Adaptor Broadcasting Technical Association Broadcasting Technology Association Broadband Terminal Adapter BellSouth Technical Assessment Center Branch Target Address Cache Beginning Tag Basic Telecommuniactions Access Method (IBM/X.25) Basic Telecommunications Access Method Branch Target Buffer Broadcast Translation Circuit Business TeleCommunications (ETSI TC, former BT) Basic Transit Control Function Bit Transparent Data Service Base Terminating Equipment British Telecommunications Engineering Business Terminal Equipment Broadband Terminal Equipment Bellcore Technical Forum Binary Transversal Filters Bulk Transfer Function British Telecom International (obsolete) Business Telecom Inc. Bureau of Telecommunications and Informations Services Bell Telephone Laboratories BT Laboratories Bus Transceiver Logic (National Semiconductor Inc.) Boot-Time Loadable Driver Bell Telephone Manufacturing Busy Tone Multiple Access Billing Telephone Number British Telecom Network Requirement British National Part Build-To-Order Bulk Translations Output Base Station Transport Buffer of Transit Packets Burst Time Plan Bus Termination Paddle Card Betriebsplatz (Maintenance Console) (Operating Position) Behind Tape Reader (system) Billing Trigger Receiver Bit Timing Recovery Blind Transfer Recall British Telecom Requirement Blind Transfer Recall Identification British Telecom Research Laboratories Base Transceiver Station Base Transmission Station

BTS BTSC BTSM BTT BTTH BTTJ BTU BTU BTUP BTUP BTW Btx BU BU BU BU BUC BUD BUF BUFR

Burst Time Synchronisation Broadcast Television Systems Committee Base Transceiver Station Management Background Telephone Traffic Broadband To The Home BT Technology Journal Basic Transmission Unit (SNA) British Thermal Unit British Telecom National Part British Telecom Part By the way Bildschirmtext Branch Unit Branching Unit Business Unit ISO country code for Burma (obsolete) Context Bundler/Unbundler Bundler, Unbundler and Distributor Buffer Binary Universal Form for the Representation of Meteorological Dat

BUI BUIC BUID Bul BUNI BUPT BUS BUS Bus BUT BUUSI BUUSIX BUV BV BV BV BVA BVA BVA BVC BVC BVCI BV BVF BVG BVL BVMS BVPN BVR BVR BVS BVSP BVT BVT BVTONE BVW BVW BW BW

Bilingual Interface Blocking/Unblocking of Incoming Calls Bus Unit ID Bulletin Broadband /Network Interface Beijing University of Posts and Telecommunications Broadcast and Unknown Server Broadcast/Unknown Server Business BUTton Blocking of -to- Signaling Interswitch Blocking of -to- Signaling to an IXC Backscatter Ultraviolet Spectrometer Behaviour Valid Busy Verification ISO country code for Bouvet Island Billing Validation istration Billing Validation Application Billing Validation Authority Billing Validation Center Billing Verification Check Broadcast Virtual Channel Identifier (B-ISDN) Banyan Vines Control Protocol Billing Validation File Billing Validation Gateway Busy Verification, Lines Business Voice Messaging Service Broadband Virtual Private Network Basic Version Receiver Busy Busy Verification, Stations Borland Visual Solutions Pack Busy Verification Tone Busy Verification, Trunks Busy Verification Tone Backward Volume Wave Belleville Bandwidth Both-Way

a

BW BW BWA BWA BWCC BWD BwD BWF BWG BWI BWM BWM BWP BWP0 BWP1 BWP2 BWP3 BWP4 BWP5 BWP6 BWP7 BWQ BWR BWSC BX BxZS BY by BY BY/DA BYP BZ BzA BZT BZV

Buried Wire ISO country code for Republic of Botswana Bandwidth Allocator Broadband Wireless Access Borland Windows Custom Controls Backward Bandwidth-Delay B-Word Facility Birmingham Wire Guage Bell-South Wireless Inc. BandWidth Manager Broadcast Warning Message BATC Write Port BATC Write Port 0 BATC Write Port 1 BATC Write Port 2 BATC Write Port 3 BATC Write Port 4 BATC Write Port 5 BATC Write Port 6 BATC Write Port 7 Buzz Word Quotient Bandwidth Ratio Broadband Wireless Switching Center Base Bipolar xth Zero Substitution Busy BYTE (unsigned char) ISO country code for Belarus (formerly Byelorussia) Busy/Don't Answer BY ISO country code for Belize Bereitstellung zur Abnahme (DBPT acceptance testing) Bundesamt für Zulassungen in der Telekommunikation (D) Befristeter Zaehlvergleich (Charging Verification Service)

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C C C C C C C c C C C c C C C C C c

Call Capacitance Capacitance Capacitor Carry CCR Service Celsius centi (10-2) Central side Centrigrade Changed char Character Clock Closed Command Concatenated Concatenated

C C C C C C C C C C C C C C&D C&I C&I C&M C&MA C&P C&S C&W C&NI C&S C/C C/D C/D C/D C/I C/L C/N C/O C/R C/R C/R C/S C/T C/T C/WS C-11 C-12 C2 C-2 c2d C3 C-3 C3I C3Q C-4 C4I C6TU C7 C7FPG C7TD C7TU C7UP CA CA CA CA CA

Conditional Connect Constructed Container Control Control field Copyright Core (Computing Module) Cost Coulomb Cross (link) Cyan Frame-Copied Control and Display Commissioning and Installation Control and Indication Conferencing and Messaging Construction and Maintenance Agreement Chesapeake and Potomac (Telephone Co.) Card and Socket Cable & Wireless Communication & Networking of Information Control & Switching functions Cell Controller Charge-Discharge Control and Display Critical Dimension Carrier to Interference ratio ConnectionLess Carrier to Noise Ratio Connection-Oriented Challenge/Response pair (TETRA) Command/Response Command/Response field bit Client/Server Carrier power to noise Temperature ratio Carrier to Noise Temperature Ratio Cost per Work Second Container-Level 11 Container-Level 12 Command and Control Container-Level 2 Code to Documentation Tool Command, Control and Communications Container-Level 3 Command, Control, Communications, and Intelligence Coverage, Capacity and Quality versus Cost Container-Level 4 Command, Control, Communications, Computers, and Intelligence CCS6 Test Utility CCITT Common Channel Signaling System No. 7 CCS7 Functional Parameter Group CCS7 Test Driver CCS7 Test Utilities CCS7 ISUP Cable Cache Alignment Call Accepted Call Announcer Call Appearance

CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA CA ca CA CA CAA CAAC CAAFRL CAAR CAB CAB CAB CABOP

Call Attempt Capability Carrier Agent Cell Allocation Central Agent Certification Authority Certifying Authority Circuit Assigned Cluster Alpha Tested Collision Avoidance Communication Adapter Community Address Competitive Analysis Component Architect Computer Animation Computer-Aided Conditional Access Connection Agent Conseil d'istration Content Alignment Control Agent Customer Access Customer istration Internet country code for Canada ISO country code for Canada U.S. postal code for California Civil Aviation Authority Customer istration of Authorization Codes Customer istration of Alternate Facility Restriction Levels Cache Address Cabinet Cabinet file Customer Advisory Board Call Management System Automatic Recall Blocking to Private Number

CABS CAC CAC CAC CAC CAC CAC CAC CACE CACH CACI CACM CA CACR CACRL CACS CAD CAD CAD CAD CAD CAD CAD/CAM CADA CADAM

Carrier Access Billing System Call Accept Call ission Control Carrier Access Code Centralized Arbitration Control Commercial Action Committee (CEPT) Connection ission Control Customer Access Connection Carrier Access Code Error Treatment Call Appearance Call Handling Communication Automation and Control, Inc. Communications of the ACM (periodical) Central Arbitration Control Point Cache Control CAs CRL Centralized Alarm and Control System Call Acceptance Delay Call Authorised by Dispatcher (TETRA) Card Accepting Device Computer-Assisted (aided) Design Computer-Assisted Dialing Connected-Address Display Computer-Aided Design and Manufacture Compact Asynchronous Data Adapter Computer Augmented Design and Manufacturing

s

CADCAM Computer-Aided Design and Computer-Aided Manufacture CADCS Call Attempt Data Collection Services CADCS Call Attempt Data Collection System CADD Computer Aided Design and Drafting CADD Computer Aided Detector Design CADDIA Cooperation in Automation of Data and Documentation for Imports/ex ports and management and Financial control of Agricultural markets CADE Computer Aided Document Engineering CADES Computer Aided DMS Engineering System CaDivI Call Diversion Information C Content-Addressable Data Manager CAT Computer-Aided Design, Manufacture and Testing CADN Cellular Access Digital Network CADN Circuit istration CADSIM Continuous And Discrete Simulation CAE Change Application Engineering CAE Common Application Environment (X/Open) CAE Communications Applications Environment CAE Computer-Aided Engineering CAE Customer Application Engineering CAESS Customer Application Engineering System CAF Common Application Framework CAF Content Application Form CAF Corel Application Framework CAFD Comptroller's Automatic Message ing Format Description CAFIS Credit and Financial Information System CAG Call Agent CaHI Call History Information CAI Carrier Access Information CAI Charge Advice Information CAI Common Air Interface CAI Computer Aided Instruction CAI MDII: Address Incomplete Signal Received CAIN Collected Address Information Number CAIP Computer Aids to Industrial Productivity CAKE Commercial Automated Key Escrow CAL Calendar file CAL Computer Aided Learning CAL Customer Access Link CALA Caribbean and Latin America CALC Customer Access Line Charge CALEA Communications Assistance for Law Enforcement Act CALL PROC Call Proceeding message CALLBL Call Block CallL Call Leg CallP Call Processing CALM Central Alarm Monitoring CALM Centralized Alarm CALM Common Assembly Language for Microprocessors CALMS Credit and Load Management System CALP Called Line Identification Presentation CALRS Centralized Automatic Loop Reporting System CALS Computer aided Acquisition and Logistic (United States Mil itary) CALS Computer aided Acquisition, Logistics and (DoD program) CALS Continuous Acquisition and Lifecycle CALS Continuous Acquisition and Lifecycle System CAM Call Accepted Message CAM Call and Agent Manager CAM Cell Arrival Monitoring

CAM CAM CAM CAM CAM CAM CAM CAM CAM CAM CAM CAM1 CAM2 CAMA CAMAC CAMA-C CAMA-ONI ation CAMC CAMEL rm) CAMENG CAMF CAMMS CAMS CAN CAN CAN CAN CAN CANBER CANC CANF CanF CANT CanT CANTRAN CANTS CANTV CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP

Channel Adapter Manager Common Access Method Common Analysis Model Communication Access Method Communications Application Module Computer Aided Mapping Computer-Aided Manufacturing Connections Access Manager Content Addressable Memory Controlled Attachment Module Customer Access Module Communications Application Module, Type 1 Communications Application Module, Type 2 Centralized Automatic Message ing Computer Application to Measurement And Control Centralized Automatic Message ing-Computerized Centralized Automatic Message ing-Operator Number Identific Customer Access Maintenance Centre Customized Applications for Mobile networks Enhanced Logic (GSM te Computer Aided Manufacturing Engineering Customer Access Management Function Centralized Access Maintenance and Monitoring System Central istration and Maintenance Subsystem Campus-Area Network Cancel Cancel Abbreviated Number Delivery Central istration for NDAF Controller Area Network (Automotive Electrics, R. Bosch GmbH) Canada-Bermuda submarine cable Cancel Cancel From Cancel From Cancel To Cancel To Cancel Transmission Customer Access Network Transmission Standards Compania Anonima Nacional Telefonos de Venezuela Call Appearance CAMEL Application Part Capability Capacitor Carrierless AM/PM Carrierless Amplitude and Phase Carrierless Amplitude Modulation/Phase Modulation Carrierless Amplitude/Phase Carrierless Amplitude/Phase Modulation Cell Arrival Pattern Cellular Access Processor Cellular Application Processor Central Answering Position Central Arbitration Point Change Application Procedure Circuit Access Point Common Application Platform Communication of Act Parameters Competitive Access Provider Computer Aided Publishing Conformance Assessment Process

CAPAC Cable Packet Communications CAPAM Call Appearance for Analog Member of EKTS CAPC Congestion Avoidance with Proportional Control CAPG Control of Application Process Group CAPI Call Appearance Identifier CAPI Common API for ISDN CAPI Common Application Programming Interface CAPI Common ISDN API CAPNET Captive Network CAPP Computer Aided Process Planning CAPS Call Appearance Sequence CAPS Call Attempts Per Second CAPT Call Appearance Terminal CAPTAIN Character And Pattern Telephone Access Information Network CAQ Computer Aided Quality control CAR Cal Request CAR Call Request CAR Carrier CAR Carry CAR Cartoon Network CAR Channel Assignment Record CAR Communication of Act Relationship CAR Computer Access Restriction CAR Computer Aided Radiology CAR Computer Aided Retrieval CAR Connection Address Resolution CAR Corrective Action Request CARAM Content Addressable Random Access Memory CARB Channel Assignment with Borrowing and Reassignment CaRe Call Reference CARE Customer Record Exchange CARE/ISI Customer Record Exchange/Industry Interface CARES EKTS Call Appearance Reservation CARIN Center for Applied Research on Information Networking CAROT Centralized Automatic Reporting On Trunks CARP Cache Array Routing Protocol CARPAC Carrier Pretest and Cutover CARRET CARriage Return CARS Cable Television Relay Station CARS Communication Analysis Reporting System CARS Community Antenna Relay Service CARS Computerized AMA Recording System CARTS Carrier ing Records Transport System CARTS Circuit Assignment Record Transfer System CAS Call ing System CAS Call Associated Signaling CAS Call Attendant Services CAS Centralized Attendant Service CAS Channel Associated Signaling CAS Column Address Select CAS Column Address Strobe CAS Communications Application Specification (DCA-INTEL eq to Net BIOS or LANManager) CAS Component istration System CAS Computer Aided Systems CAS Computer-Assisted Signaling CAS Conseil de la Audiovisuel Superieur CAS Content Addressable Storage CAS Control Automation System CAS E Alerting Signal

CAS CAS CAS CAS CAS CASA CASCO CASD CASE CASE CASE CASE CASL CASOP CAST CAST CASVE CAT CAT CAT CAT CAT CAT CAT CAT CAT CAT CAT CAT CAT CAT CATA CATCR CATFOP CATG CATLAS CATNIP CATRP CATS CaTS CATS CATS CATS CATS CATS CATT CATTS CATV CATV CATV CAU CAU CAU CAU CAU CAU CAU CAV CAV CAV

S Architecture Summary Craft istration System Customer Access Systems Customer Services IBM Centre for Advanced Studies Connection Arrangement for Switched Access ISO council Committee on COnformity ASsessment Computer Aided System Design Common Application Service Element Computer-Aided Software Engineering Computer-Assisted Software Engineering Computing and Systems Evolution Crosstalk Application Scripting Language CMS AR Screening Of Private Calls Carlisle Adams-Stafford Tavares Computerized Automatic System Tester Computer Aided Software Verification Environment Catalog File Centrex Access Treatment Clear Air Turbulence Comite des Activites Techniques (CEPT) Common Authentication Technology Component Assembly Tool Computer Aided Testing Computer Aided Tomography Computer Aided Translation Computer Aided Typesetting Computer-Aided Transcription Computerized Axial Tomography Council for Automation Tools Customer Access Treatment Canadiabn Advanced Technology Association Customer Access Treatment Code Restriction(s) CMTS AMA Tape Formatted Output Program Computer Aided Test Generation Centralized Automatic Trouble Locating and Analysis System Common Architecture for the Internet Protocol China Academy of Telecommunications Research and Planning Calling Card and Third Party Number Settlement Capacity Tracking System Cellular Air Traffic System Computer Aided Testing System Computer-Accessed Telemetry System Consortium for Audiographics Teleconferencing Standards Crossconnect And Transfer System Centralized Automatic Toll Ticketing Centralized Automatic Trunk Test System Cable Television Community Antenna Television Community Antenna TV Cable Access Unit Cause CDMA Application Unit Cell Antenna Unit Control Arithmetic Unit Controlled Access Unit Customer Access Unit Card Access Valid Component Analog Video Constant Angular Velocity

CAVE CAVE CAVU CAW CAW CAW CAX Cb CB CB CB CB CB CB CB CB CB CB CB CB CB CB CB CB cb CB/TH CB1 CB2 CB3 CBA C-band CBA-RA CBASIC CBBS CBC CBC CBC CBC CBC CBC CBC CBC CBC CBC CB-CC CBCH CBCH CB CBCSS CBD CBD CBDS CBDS CBDS CBDT CBE CBE CBEd CBEMA CBG

Cellular Authentication and Voice Encryption Computer Automatic Virtual Environment Cellular Authentication and Voice Privacy Unit Certification Authority Workstation Channel Address Word Command Address Word Community Automatic Exchange Blue Chrominance Call Barring Call forwarding Busy Carrier Band (modulation technique) Cell Broadcast Channel Bank Chrominance colour difference, Blue Circuit Breaker Citizens Band Citizen's Band (Radio) Clear Back Coin Box Common Battery Compatibility Bulletin Connecting Block Connection Broker Control Block Count of bytes Circuit Breaker- Thermal Clear-Back No. 1 signal Clear-Back No. 2 signal Clear-Back No. 3 signal Changebank Acknowledgement message 4/6 GHz frequency range Coin Box ing for Revenue Allocation Compiled-BASIC Computerized Bulletin Board System Call By Call Canadian Broadcasting Corporation Can't Be Called Cell Broadcast Centre (GSM) Cell Bus Controller Channel Bus Controller Cipher Block Chaining Circuit Bearer Channel Connectionless Bearer Control Consecutive Blank Column Connection Broker-Connection Control Cell Broadcast Channel Common Control CHannel Callback Control Protocol Call By Call Service Selection Call Box Discrimination Changeback Declaration message Circuit Board Design System Connectionless Broadband Data Service Constant Bit Rate Data Service Can't Break Dial Tone Call Forwarding Busy Internal Calls Only Centralized Branch Exchange Computer-Based Education Computer and Business Equipment Manufacturers Association Census Block Group

CBH CBI CBI CBIC CBIC CBIOS CBIS CBK CBK CBK CBK CBL CBLU CBMI CBMS CBMS CBMS CBN CBN CBO CBO CBP CBQ CBQ CBR CBR CBR CBR CBR-AAL CBS CBS CBS CBS CBS CBS CBS CBS CBS CBSC CBSW CBsy C-BSY CBT CBT CBT CBT CBTA CBTA CBU CBUD CBUS C-Bus C-Bus CBW CBWV CBX CBX CBX CBX cc

Can't Be Heard Call Forward Busy Intragroup Channel Bus Interface Complimentary Bipolar Integrated Circuit Control Bus Interface Chip Compatibility BIOS Cincinnati Bell Information Systems Change Back Clear Back message Clear-Back signal Code Blocking Charge-Buffered Logic (Low-Power Bipolar Logic Family) Citizens Band Licencing Unit Cell Broadcast Message Identifier Computer Based Message Service Computer Based Message Switching Computer-Based Message System Common Bonding Network Compromise Balance Network Continuous Bit-Stream Oriented Cooperative Business Object Coded Block Pattern Call Back Queuing Class Based Queuing Carrier and Bit timing clock Recovery Cavity-Backed Radiator Constant Bit Rate Continuous Bit Rate Constant Bit Rate ATM Adaptation Layer Card Buffer Storage Cell Broadcast Service Centralized Business Service Columbia Broadcasting System Committed Burst Size Common Battery Signaling Communal Base Station Communication Base Station Constant Bitrate Services CDMA Base Station Controller Common Board Software C-Side Busy Core Side Busy Computer-Based Terminal Computer-Based Training Core-Based Tree(s) Cursor Backward Tab Canadian Business Telecommunications Alliance Canadian Business Telecommunications Association Call Forwarding Busy Unrestricted Call Before U Dig Control Bus Channel Transport Bus Channelized Bus Convert Byte to Word (80x86 inst) Call Busy Work Volume Computer-Based Exchange Computer-Controlled Branch Exchange Computerized Branch Exchange (PBX) Computerized Private Branch Exchange C Compiler

CC CC CC CC CC CC CC CC CC CC CC CC CC cc CC CC CC CC CC CC CC CC CC cc CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC CC

C++ Compiler/Translator Cable Connector Call Center Call Code Call Configuration Call Connect Call Connected Call Connected packet Call Control Call Control Entity Calling Card CAM Controller Capability Complete Carbon Copy Card Column Card Count Carrier Connect Carrier Current Central Control Central Controller Channel Control information element Channel Controller Chip Carrier Cicero Clear Channel Close-Captioned Cluster Controller Code Complete Coin Collect Coin Completing Collect Call Color Code Command Chaining Common Carrier Common Control Common Controller Communication Computer Communication Control Company Code Composite Call Composite Clock Computer Center Computing Center Condition Code Conference Calling Congestion Control Connection Confirm Connection Control Connection Coordinator Continuity Cell Control Channel Control Component Control Console Convolutional Code Coordinating Commitee Coordination Center Cost Component Countdown Counter Country Code Cross Connection

CC CC CC CC CC CC/OR CC1 CC1 CC2 CC2 CCA CCA CCA CCA CCA CCA CCA CCA CCA CCAF CCAF CCAF CCAF+ CCAFr CCAFR CCAN CCAN CCAP CCAS CCB CCB CCB CCB CCB CCB CCB CCB ccb CCB CCBQ CCBS CCBS CCBSi CCC CCC CCC CCC S coding) CCC CCC CCC CCC ) CCC CCC CCC CCC CCCD CCCH CCCI

Cross-Connect Crystal Controlled Cursor Control Cyclic Check ISO country code for Cocos (Keeling) Islands Coin Collect/Operator Released Calling Card- Type 1 CAM Controller, Type 1 Calling Card- Type 2 CAM Controller, Type 2 Call Classification Analysis Call Control Agent (typically a terminal equipment) Carrier Central Agent CENELEC Certification Agreement Circuit Card Assembly Clear Channel Assessment Communication Channel Adapter Conceptual Communication Area (OSI) Control Channel Acquisition Call Control Agent Function Call Control Agent Functional Entity Cluster Control Agent Function Call Control Agent Function Plus Call Control Agent Function (Radio) Customer Control of Automatic Flexible Routing Calling Card Number Credit Card Number Communication Control Application Program Call Control Application Services Call Condense Block Call Control Block Change Control Board Channel Command Block Channel Control Block Coin Collecting Box Command Control Block Common Carrier Bureau Communications Control Block Cyclic Check Byte Coordinated Call Back Queing Call Completions to Busy Subscribers Completion of Calls to Busy Subscriber (supplementary service) Completion of Calls to Busy Subscriber Call Indicator CDMA Cluster Controller Cenelec electronic Components Certification Central Control Complex Clear Channel Capability (T1 option to use full bandwidth with B8Z Coinless, Charge-a-Call Color Conversion Context Common Customer Code Communication Command and Control (communication control character Corrective Content Complete Credit Card Calling Credit Card Control Custom Charge Calling Conductively Connect Charge-coupled Device Common Control Channel Command, Control, Communication & Intelligence system (US Military

) CCCI CCCM CC CCD CCD CCD CCD CCDB CCDC CCDN CCE CCE CCE CCE CCE CCEA CCEL CCEL CCES CCES CCETT CCF CCF CCF CCF CCF CCF CCF CCF CCF CCF CCF CCF+ CCFAC CCFL CCFP CCFP CCFT CCG CCH CCH CCH CCH CCH CCH CCH CCI CCI CCI CCI CCI CCI CCI CCI CCIA CCID CCIE CCIF CCIF

Command, Control, Communications and Intelligence Council Committee on Consumer Matters Connection Control Protocol Central Control Disabled Charge-Coupled Device Class Communication Diagram Coin Collect Detect Calling Card Database Channel Compatible Digicipher Corporate Consolidated Data Network Cannel Control Error Central Control Enabled Consistency Check End message Control Creation Edition Corporate Component Engineering Consistency Check End Acknowledgement message C++ Constraint Expression Language Call Connection Elapsed Time Limitation Centrally Controlled Equaliser System Common Control Echo Suppressor Centre Commun d'Etudes de Télédiffusion et de Télécommunications () Call Control Function Call Control Functional Entity Cluster Control Function Coin, Coin First Common Control Function Communications Control Field Complex Call Framework Conditional Call Forwarding Continuity Check Failure message Continuity-Failure signal Custom Calling Feature(s) Call Control Function Plus Customer Control of Facilities Cold-Cathode Fluoresecent Lamp Central Control Fixed Part Common Control Fixed Part Cold Cathode Fluorescent Tube Computer Communications Group Cancel Previous Character Comite Consultatif pour l'Harmonisation Common Control Channel Connections per Circuit per Hour Continuity Check Indicator Control Channel Coordination Committee on Harmonization Call Completion Internet CCITT and CCIR Common Client Interface Common Customer Identifier Computer Consoles Incorporated Concorde-to-Concorde Interface Conference Circuit Interconnection Continuity Check Incoming Computer and Communication Industries Association Call Count- Information Delivered Call Control Information Element Call Control Interface Comité Consultatif International Téléphonique

CCIR CCIR CCIR CCIR CCIRN CCIS CCIS6 CCIT CCITT now ITU-T) CCIUG CCKF CCKT CCL CCL CCL CCL CCLC CCM CCM CCM CCM CCM CCM CCM CCM CCM CCM CCM CCM CCM CCMC CCMF CCMIS CCMP CCMP CCMP CCN CCN CCN CC-NDT CCNR CCNR CC-NUMA CCO CCO CCO CCODE CCOFGQ CCOM CCOV C C C C C C C

(International Telephone Consultative Committee) Comité Consultatif International de Radiocommunications (now ITU-R) Comite Consultatif International de Radiodiffusion International Radio Consultative Committee (now ITU-R) Internationaler Beratender Ausschub für das Funkwesen Coordinating Committee for International Research Networking Common Channel Interoffice Signaling Common Channel Interoffice Signaling System No. 6 International Telegraph Consultative Committee Comité Consultatif International Télégraphique et Téléphonique (International Consultative Committee for Telegraph and Telephone, ClearCase International s Group Continuity ChecKtone Failure (SPADE) Continuity Check Tone Calling Party Clear message Change Control Log Common Communication Link Comon Carrier Line Carrier Common Line Charge Central Customer Manager Circuit Supervision Message Common Channel Signalling Module Common Control Module Communication Channel Management Complex Call Model Composite Call Model Connection Control Message Cross-Connect Multiplexor Current Call Meter Customer Configuration Management Customer Control and Management DMS-100 Common Computer Communications Maintenance Center Centralised Control and Monitoring Function Call Centre Management Information System Call Completion CC Message Processor Credit Card Mobile Phone Calling Card Number Common Channel Network Contract Change Notice Can't Call-No Dial Tone Completion of Call No Reply (supplementary service) Completion of Calls on No Reply Cache-Coherent NUMA Colorado Communications Operation Component Coordinator Continuity-Check Outgoing Country Code Customer Control of Outgoing Facility Group Queuing Coaxial Cable Organization Module Code Coverage Calibrator Characteristic Parameter Capability/Configuration Parameter Character Control Protocol Communication Control Package Compression Control Protocol Connection Control Protocol Console Command Processor

C C CE CE CU CCR CCR CCR CCR CCR CCR CCR CCR CCR CCR CCR CCR CCR CCR CCRA CCRA CCR-PR CCR-PU CCRS CCRSE CCS CCS CCS CCS CCS CCS CCS CCS CCS CCS CCS CCS CCS CCS CCS CCS CCS CCS CCS CCS#6 CCS#7 CCS/C CCS6 CCS7 CCSA CCSA CCSAN CCSB CCSC CCSF CCSL CCSN CCSN CCSN CCSNIS

Content Check Point Credit Card Processor Cabinetized Common Peripheral Equipment Control Channel Protocol Entity Call Count- Information Private/Unavailable Cable Control Room Call Charge Record Commitment, Concurrency, and Recovery Computer Controlled Retrieval Condition Code Consistency Check Request message Console Card Reader Continuity Check Request message Cumulative Charge Restriction Current Cell Rate Current Controlled Resistor Customer Controlled Reconfiguration Customer Controlled Routing Customized Code Restriction Consistency Check Request Acknowledgement message Continuity Check Request Acknowledgement message Customized Call Routing with Private Network Customized Call Routing with Public Network Centrex Customer Rearrangement Service Commitment, Concurrency and Recovery Service Element 100 Call Seconds C Compilation System Calculus of Communicating Systems Calling Card Service Cent Call Seconds (36 CCS = 1 Erlang) Centi-Call Seconds Channel Change Status Chip Carrier Socket Common Channel Signaling Common Command Set Common Communications Subsystem Common Communications Common Control Style Connection Successful Continuous Color Sequence Continuous Composite Servo Cross Connect System Custom Calling Services Cutover Conversion Services Common Channel Signaling System No. 6 Common Channel Signaling System No. 7 Corporate Computer Systems C Common Channel Signaling System No. 6 Common Channel Signaling System No. 7 Common Control Switching Arrangement Common-Control-Switching Arrangement Calling Card Sub Number Command Complete Status Block Customer Changeable Speed Calling Common Channel Signaling Failure Compatible Current-Sinking Logic Calling Card Service Node Common Channel Signaling Network Customer Service Node Common Channel Signaling Network Interface Specification

CCSS CCSSO CCSUA CCT CCT CCT CCT Cct CCT CCT CCT CCT CCT CCT CCT CCT CCT CCT CCTA CCTO CCTS , obsolete) CCTV CCU CCU CCU CCU CCU CCUG CCUP CCV CCV CCV CCV CCW CCW CCW CCW CCx CCX CCX CD CD CD CD CD cd CD CD CD CD CD CD CD CD CD CD CD CD CD

Common Chanel Signalling System Common Channel Signaling Switching Office Call Control Service Application Call Classification Terminal Card Configuration Table Carrier Connect Time Carrier Current Transceiver Circuit Circuit CNMA Conformance Testing Complex Call Topology Computerized Communication Terminal Connection Type Consortium for Communication Testing (private) Consultative Committee on Telecommunications Continuity Check Transceiver Control Concentrator Terminal Cross Connect Type Central Computer and Telecommunications Agency (UK) Call Completion with Trunk Optimization Comite de Coordination pour Telecommunications par Satellite (CEPT Closed-Circuit Television Cable Control Unit Camera Control Unit Central Control Unit (FEP IBM) Communication Control Unit Controller Coax Unit Canadian Centrex s Group Customer Communication Update Package Call Covering Calling Card Validation Charge Card Validation Credit Card Validation Cancel Call Waiting Channel Command Word Channel Control Word Counterclockwise CAM Controller, Type x Central Connection Control Central Connection Controller Cache Disable Call Deflection (supplementary service) Call Disposition Call Distribution Call Distributor candela Card Carrier Detect (signal) Circle Digit Circuit Description Code Diversion Code Division Collision Detection Command Data Command Dictionary Committee Document Committee Draft (former DP) Compact Disk Component Description

CD CD CD CD ROM CD0 CD1 CDA CDA CDA CDA CDA CDA CDA CDA CDA CDA CDA CDA CDA CDA CD-A CDAA CDAA CDAL CDAM CDAR CDB CDB CDB CDB CDB CDB CDB CDB CDB CDB CDBM CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDCL CDCL CDCS CDD CD-DA CDDI CDDI CDDI CDE

Computer Design (periodical) Count-Down Critical Dimension Compact Disc Read-Only Memory Clocked Data Zero Clocked Data One Call Data Accumulator Call Deflection Alerting Call Delivery Activatable Call Disposition Analyzer Call Distribution to Attendant (supplementary service) Call Diversion to Announcement Call Duration Advice CD Audio Track file Coin Detection and Announcement Command and Data Acquisition Communications Decency Act Compound Document Architecture (DEC) Computer Drafting Aid system Customer Data Access Audio Compact Disc Call Deflection After Answer Concurrent Data Access Architecture Control and Diagnostic Access Link Committee Draft Amendment Customer Dialed Recording Call Data Block Call Diversion on Busy Channel Data Byte Class Descriptor Block Command Database Command Descriptor Block Common Data Base Communications Device Buffer Component Data Base Configuration Data Base Call Data Block Manager Call Direct Code Call Directing Character Call Directing Code Central Distribution Center Certificate Distribution Center Characteristic Distortion Compensation Coin Detection Circuit Command Document Continue Conditioned Diphase Code Control Data Corporation Control Delay Channel Customer Data Change CDC Control Data Procedure (CDC) Control Data Communications Control Procedure Code Calling Command Document Capability List Continuous Dynamic Channel Selection Client Device Driver Compact Disk-Digital Audio Cable Distributed Data Interface Copper Distributed Data Interface FDDI-over-Copper Common Desktop Environment

CDE CDE CD-E CDET CDF CDF CDF CDF CDF CDF CDF CDF CDF CDF CDFI CDFL CDFS CDFS CDG CDG CDG CDH CDI CDI CDI CDI CDI CDI CDI CDI CDI CDI CD-I CD-I CDIP CDIS CDIV CDK CDL CDL CDL CDL CDL CDLC CDLI CDLI CDLN CDLN CDM CDM CDM CDM CDM CDM CDM CDM CDM CDM CDMA CDME

Customer Design Engineering Exclude Intragroup Calls from Call Forwarding Compaft Disk-Erasable Charge Determination Call Diversion Fixed Carrier Distribution Frame Channel Definition Format Coin, Dial-Tone First Combined Distribution Frame Communications Data Field Context-Dependent File Cumulative Distribution Function Cutoff Decrease Factor Cyberspace Description Format Cabinetized Direct Fiber Interface Capacitive Diode Field-effect transistor Logic CD-ROM File System Compact Disk File System Call Delivery Global CDMA Development Group Corporate Design Group Cooperative Document Handling Call Detail Information Call Forward Do Not Answer Intragroup Called Line Identity Change Direction Indicator (SNA) Collector-Diffused Isolation Compact Disc Interactive Concentrating DASS2 Interface Conventional Defence Initiative Copper Distribution Interface Interactive Compact Disk Compact Disk- Interactive Interactive Compact Disc Ceramic Dual In-line Package (IC) Cable Data Instrumentation System Call Diversion Control Development Kit Carrier Detect Level Comite De Lecture Component Description Language Computer Description/Design Language Customer Defined Location Cellular Data Link Control Called LATA Identity Called Line Identity Called Line Number Cornerstone Distance Learning Network Class Data Manager Code Division Multiplexing Common Domain Model Companded Delta Modulation Conceptual Data Model Configuration Data Management Configuration Data Manager Consumer Digital Modem Curo Document Manager Customer Data Modification Code Division Multiple Access (spread spectrum) Composite Downstream Mapping Element

CDMR CDMS CDN CDN CDN CDN CDN CDN CDNA CDNI CDO CDO CDO CDOC CDOS CDOS CDP CDP CDP CDP CDP CDP CDP0 CDP1 CDP2 CDP3 CDPA CDPB CDPD CDPN CdPN CdPNo CDPR CDPR CDPSAIT CDPSDBL1 CDPSDBL1P r PRI CDPSDBL2 CDPSDBL2P r PRI CdPSub CDQ CDR CDR CDR CDR CDR CDR CDR CDR CD-R CDRAM CDRC CDRE CDRM CDROM CD-ROM CDRR CDRS

Call Detail Maintenance Record Cluster Data Management System Cable Data Network Call Processing Database Node Called Party Number Change Directory Number Control Directory Number Customer Defined Network Call Diversion No Answer Cabinetized Digital Network Interconnect Call Diversion to Operator Community Dial Office Connect Data Overflow Customer Documentation Customer Dialed Operator Service Customer Dialed, Operator Serviced Cache Data Port Communications Data Processor Component Development Plan Coordinated Dialing Plan Custom Dialing Plan Trigger Customized Dialing Plan Cache Data Port 0 Cache Data Port 1 Cache Data Port 2 Cache Data Port 3 Called Party Address Command Document Page Boundary Cellular Digital Packet Data Called Party Number Called Party Number Called Party Number Card Pair Customer Dial Pulse Receiver Called Party Subaddress Information Transfer Called Party Subaddress Delivery Billing Records (Intranetwork) Called Party Subaddress Delivery Billing Records (Intranetwork) fo Called Party Subaddress Delivery Billing Records (Internetwork) Called Party Subaddress Delivery Billing Records (Internetwork) fo Called Party Subaddress Convert Doubleword to Quadword (80x86 inst) Call Detail Record Call Detail Recording Call Detail Reporting Common Data Rate Common Data Representation Connected Digit Recognition CorelDraw File Current Differential Relaying Compact Disk-Recordable Cached DRAM Call Detail Recording Call Entry Call Detail Recording Extension Blocks Cross-Domain Resource Manager Compact Disk Read Only Memory Compact Disc Read-Only Memory Call Detail Recording and Reporting Call Detail Recording Call Processing

CDRTOS CD-RW CdS CDS CDS CDS CDS CDS CDS CDS CDS CDS CDSI CDSIS CDSN CDST CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDTE CDTV CD-TV CDU CDU CDU CDU CDUR CDV CDV CDV CDV CD-V CDVCC CDVM CDVT CDW CD-WO CDX CD-XA CE CE CE CE CE CE CE CE CE CE CE

Compact Disk Real Time Operating System Compact Disk-Rewritable Cium Sulfide Call Data Store Call Deflection Selection Call Diversion to Subscriber Called Party Subaddress Cell Directory Server Cell Directory Service Command Document Start Companion Diagnostic Software Current Directory Structure Called State Identity Combined Discrete continuous SImulation System Cabinetized Dual Shelf Network Called Party Station Type Call Data Transmitter Cambridge Display Technology Carrier Detect Threshold Carrier Dial Tone Center for Democracy and Technology Central Daylight Time Companion Deployment Tool Concrete Data Type Configuration Data Table Connectionless Data Transmission Control Data Terminal Credit Credit allocation (OSI-TL) Cabinetized Digital Trunk Equipment Conventional Definition Television Commodore Dynamic Total Vision Call Distribution Unit Call Forwarding Do Not Answer Unrestricted Central Display Unit Clock Distribution Unit Chargeable Duration Call Deflection Variable Cell Delay Variation Compact Disk Video Constant Delay Value Compact Disk-Video Coded Digital Verification Color Code Call Diversion to Voice Mail Cell Delay Variation Tolerance Call Delivery Wide Compact Disk Write-Once Compact Digital Exchange Compact Disc-Extended Architecture Channel Element Chip-Enable (signal) Circuit Emulation Collision Enforcement Common Equipment Communaute Europeenne (EC) Compact Edition Compute Engine Conditioning Equipment Congestion Encountered Connectable Entity

CE CE CE CE CE CE CE CE/PE CE1 CE3 CEA CEAC CEAC CEB CEBS CEBUS CEbus CEC CEC CEC CEC by EC) CEC CECB CECC CECUA CED CED CED CEDI CEDL CEE CEE CEE CEF CEFIC CEG CEG CEI CEI CEI CEI CEI CEI CEI CELL CELLTREX CELP CELP CELP CELP+ CE-LPC CELTIC CEM CEM em) CEM CEMA CEMA CEMEC

Connection Element Connection Endpoint Conseil de l'Europe Consumer Electronics Control Element Council of Europe Customer Equipment Common Equipment/Peripheral Equipment Compute Engine, Type 1 Control Equipment No. 3 Canadian Electric Association Commission Européenne de l'Aviation Civile Committee for European Air-spaced Coordination Comite Electrotechnique Belge (B) Circuit Emulation Bearer Service Consumer Electronics BUS Consumer Electronics Bus Canadian Electrical Code Cell Error Check Commission des Communautés Européennes Commission of the European Communities (no longer exists, replaced Commission of the European Community Connection Endpoint Control Block Cenelec Electronic Components Committee/ies Confederation of European Computer s Association CallEd station identification Called Station Identifier Capacitive Electronic Disk Conditional End bracket inDIcator (SNA) Compiled Encapsulator Description Language Call Extension Element Communauté Economique Européenne Conformity certification of Electrical Equipment Cable Entrance Facility Consiglio Europeo delle Federazioni delle Industrie Chimiche Cause Effect Graphing Continuous-Edge Graphics Call Establishment Information Comitato Elettrotecnico Italiano Comparably Efficient Interconnect Comparably Efficient Interconnection Connection Element Identifier Connection Endpoint Identifier Connection End-point Identifier (OSI) Cellular Cellular Telephone Radio Exchange Code Excitation Linear Prediction Code Excited Linear Prediction Code-Excited Linear Predictive Coding Enhanced CELP Code Excited Linear Predictive Coding Concentrateur Exploitant Les Temps d'Inactivite des Circuits Cellular Equipment Manager Centro Esercizio e Manutenzione (Italian switching operations syst Common Equipment Module Canadian Electrical Manufacturers Association Consumer Electronics Manufacturing Association Committee of European associations of Manufacturers of Electronic

Components CEMF CEMT CEN CEN CEN CENCER CENELEC CENELEC CENELEC CENTAURE CENTRACS CENTREX Centrex CEO CEO CEO CEP CEP CEPR CEPR CEPR CEPT tions

Counter Electromotive Force Conference Europeenne de Ministres des Transports Comité Européen de Normalisation Comité Européen pour la Normalisation European Committee for Standardization CEN Certification Comité Européen de Normalisation Electrotechnique Comité Européen pour la Normalisation Electrotechnique European Committe for Electrotechnical Standardization Centre d'Assistance aux Utilisateurs du Reseau (Cognitech) Centrex Trouble Reporting Analysis Control System Centralized Exchange Centralized Exchange Chief Executive Officer Chief Executive Officer (US) Comprehensive Electronic Office Cepstral Data Connection End Point Common Employee Registry Corporate Employee Registry Corporate Employee Repository Conférence Européenne des istrations des Postes et des Télécommunica (European Conference of Postal and Telecommunications istrati

ons) CEPT CEQ CER CER CER CER CER CERD CERDIP CERF CERN CERN CERN cerr CERT CERTICO CERTS CES CES CES CES CES CES CES CES CESA CESAC CESD CESE CESG CESI CESID CES-IS

Conference Européenne des Postes et Télécommunications (European Conference of Postal and Telecommunications) Customer Equipment Call Event Record Call Event Recording Canonical Encoding Rules Cell Error Ratio Character Error Ratio Comite Europeen pour la Recherche et la Developement Ceramic Dual In-line Package California Education and Research Foundation Centre Européen de Recherche Nucleaire Centre Européen pour la Recherche Nucleaire Conseil Europeen pour la Recherche Nucleaire C++ Error Output Stream Computer Emergency Response Team ISO Council Committee on CERTification COS On-Line Error Reporting and Tracking System Captive Engineering Services Carrier Entity Set Circuit Emulated Services Circuit Emulation Service Coast Earth Station Comite Electrotechnique Suisse Connection Endpoint Suffix Consumer Electronics Show Canadian Engineering Standards Association CCIS Electronic Switching Systems Assistance Center Composite External Symbol Dictionary Capability Exchange Signalling Entity Communication and Electronic Security Group (UK) China Electronics Standardization Institute Caller's Emergency Service Identification Circuit Emulation Service Interoperability Specification

CESS CETBDN CEU CEU CEU CEV CEx CEXT CF CF CF CF CF CF CF CF CF CF CF CF CF Cf CF CF CF2BECC CF3P CFA CFA CFA CFA CFA-BC CFAC CFAC CFAR CFB CFB CFB CFB2ACC CFB2MFL CFB2RCR CFB2RING CFB2RNP CFBACC CFBCAC CFBCC CFBECC CFBG CFBGT CFBILB CFBIMB CFBL CFBL CF-BL CFBL2 CFBL2RC CFBLILB CFBLIMB CFBLIO CFBLRC CFBLRCAM

Coax Elimination and Switching System Continue Existing Treatment Returned to Base DN Common Equipment Unit Continuing Education Unit DMS-100 Europe Controlled Environment Vault Compute Engine, Type x Cabinetized Extension Module Call Forwarding (supplementary service) Carry Flag Clipboard Format Coin First CompactFlash Compact-Flash Content Freeze Contention-Free Control Function Convergence Function Conversion Facility Coordination Function Crest Factor feeding Capacitor Higher layer signalling channel (fast) ISO country code for Central African Republic Call Forwarding Busy 2, Establish Courtesy Call 3-Port Conference Circuit Call Forward Allowed Capital Funds Appropriation Carrier Facility Assignment Carrier Failure Alarm Concurrent Features Activation with Bi-Control Call Forward All Calls Call Forwarding Access Code Constant False Alarm Rate Call Forward Busy Call Forwarding Busy (supplementary service) Cipher Call Forwarding Busy Line 2 Access Code Call Forwarding Busy 2, Multiple Forwarding Limit Call Forwarding Busy 2 Remote Code Restriction Call Forwarding Busy 2, Reminder Notification Suppression Call Forwarding Busy Line 2, Redirecting Party Number Presentation Call Forwarding Busy Line Access Code Call Forwarding Busy Customer Activation Control CFBL Customer Controlled Call Forwarding Busy, Establish Courtesy Call Call Forward Busy Group Call Forward Busy Group Treatment Call Forwarding Busy Inhibit Line Busy Call Forwarding Busy Inhibit Make Busy Call Forward Busy Line Call Forwarding Busy Line Call Forwarding- Busy Line Call Forwarding Busy Line 2 CFBL2 Restricted Control Call Forwarding Busy Line-Inhibit Line Busy Call Forwarding Busy Line-Inhibit Make Busy Call Forwarding Busy Line-Incoming Only CFBL Restricted Control CFBL Restricted Control for Analog Member of EKTS

CFBMBT CFBMFL CFBRCR CFBRING CFBRMB CFBRNP CFC CFC CFC CFC CFC CFCW CFD CFD CFD CFD CFD CFD CFD CFD CFD2ACC CFD2ECC CFD2MFL CFD2RCR CFD2RING CFD2RNP ion CFDA CFDA CF-DA CFDA2 CFDA2RC CFDACC CFDAIO CFDAMA CFDARC CFDARCAM CFDCAC CFDCC CFDECC CFDM CFDMFL CFDRCR CFDRING CFDRNP n CFDVT CFF CFF CFF CFFP CFG CFGB CFGD CFGDA CFGDA CFGO CFGOI CFI CFI

Call Forwarding Busy Make Busy Treatment Call Forwarding Busy Multiple Forwarding Limit Call Forwarding Busy Remote Code Restriction Call Forwarding Busy Reminder Notification Suppression Call Forwarding Busy Remote Make Busy Call Forwarding Busy Line, Redirecting Party Number Presentation Call Forwarding Cancellation Chlorofluorocarbon Coin and Fee Check Coin and Fee Check message Conditional Call Forward Call Forwarding of Call Waiting Call for Discussion Call Forward Denied Call Forward Don't Answer Call Forward No Answer Call Forwarding Do Not Answer Coin Free Dialing Computational Fluid Dynamics Connection Format Descriptor Call Forwarding Don't Answer 2, Access Code Call Forwarding Don't Answer 2, Establish Courtesy Call Call Forwarding Don't Answer 2, Multiple Forwarding Limit Call Forwarding Don't Answer 2, Remote Code Restriction Call Forwarding Don't Answer 2, Reminder Notification Suppression Call Forwarding Don't Answer 2, Redirecting Party Number Presentat Call Forward Don't Answer Call Forwarding Don't Answer Call Forwarding- Don't Answer Call Forwarding Don't Answer 2 CFDA2 Restricted Control Call Forwarding Don't Answer Access Code Call Forwarding-Don't Answer-Incoming Only Combined Free/Demand Assignment Multiple Access CFDA Restricted Control CFDA Restricted Control for Analog Member of EKTS Call Forwarding Don't Answer, Customer Activation Control Call Forwarding Don't Answer, Customer Controlled Call Forwarding Don't Answer, Establish Courtesy Call Compounded Frequency Division Multiplex Call Forwarding Don't Answer, Multiple Forwarding Limit Call Forwarding Don't Answer, Remote Code Restriction Call Forwarding Don't Answer, Reminder Notification Suppression Call Forwarding Don't Answer, Redirecting Party Number Presentatio Call Forward Don't Answer Variable Timer Call Forward- Forwarding Party COS Call Forward, Fixed Call Forwarding Fixed Call Forward Fraud Prevention Linker Configuration File Configuration Control Block Call Forward Group Don't Answer Call Forward Group, Don't Answer Call Forwarding Group, Don't Answer Call Forwarding Group Only Call Forwarding Variable Group Only, Intra-Group Destination CAD Framework Initiative Call Failure Indication

CFI CFI CFI CFI CFI CFIA CFIB CFIG CFINT CFIO CFIOIG CFIOO CFK CFL CFL CFL CFL CFL CFLLR CFLR CFM CFM CFM CFM CFM CFMDN CFML CFN CFN CFN CFNA CFNA CFNA-LR CFNB CFNB2 CFND CFND2 CFNF CFNR CFNRc CFNRy CFNRy CFNV CFO CFO CFO CFO CFO CFP CFP CFP CFP CFP CFPE CFPF CFR CFR CFR CFRA CFRA

Call Forward Intragroup Call Forwarding Intragroup Channel Frame Interface Connection Failure Information Cross-Function Index Component Failure Impact Analysis Call Forwarding Interface Busy Call Forwarding Intragroup Call Forwarding Interval Call Forwarding-Incoming Only Call Forwarding Incoming Only, Intra Group Destination Call Forwarding Variable Incoming Only, Outside Group Call Forward Universal per Key Call Failure message Call Failure signal Carrier Fail Carrier Failure Communications Framework Library Call Forward Late-Late Release Call Forward Late Release Code Fragment Manager Companding and Frequency Modulation Compounded Frequency Modulation Configuration Management Cubic Feet per Minute Call Forward MADN Cold Fusion Markup Language Call Forward- No Answer Call Forward Number Confusion message Call Forward No Answer Call Forwarding No Answer Call Forward No Answer-Late Release Remote Directory Number for CFBL Remote Directory Number for CFBL2 Remote Directory Number for CFDA Remote Directory Number for CFDA2 Call Forwarding Not Found Call Forwarding No Reply (supplementary service) Call Forwarding Not Reachable Call Forwarding No Reply Call Forwarding On No Reply Remote Directory Number for CFV Call Forward- Originating Party COS Call Forwarding Outside Chief Financial Officer Contextual Feature Operator MDII: Open Trunk, After Start of Pulsing Call for Papers Call Forward Programming Channel Frame Processor Contention-Free Period Cordless Fixed Part Call Forward Prevention Enhancements Call Forwarding over Private Facilities Code of Federal Regulations ConFirmation to Receive MDII: Continuity Failure Call Forward Remote Access Call Forward Remote Activation

CFRA CFRES CFS CFS CFS CFS CFS CFS CFS CFS12 CFS12D CFS18 CFS18D CFS24 CFS24D CFS3 CFS30 CFS30D CFS3D CFS6 CFS6D CFSAM CFSR CFSR0 CFSR1 CFSR2 CFSR3 CFT CFT CFU CFU CFU ervice) CFU CFUB CFUSD CFUSP CFV CFV CFV CFV2 CFV2ACC CFV2ECC CFV2MFL CFV2RC CFV2RCR CFV2RING CFV2RNP CFVAC CFVACC CFVECC CFVMFL CFVRC CFVRCAM CFVRCR CFVRING CFVRNP CFVUS CFW CFW

Call Forwarding- Remote Access Call Forwarding Restrictions Call For Service signal Call Forward Simultaneous/Screening Call Forward Station Common Functional Specifications Conference Sizes Cross-Function Selector Cryptographic File System Conference Size 12 Conference Size 12 With Drop Conference Size 18 Conference Size 18 With Drop Conference Size 24 Conference Size 24 With Drop Conference Size 3 Conference Size 30 Conference Size 30 With Drop Conference Size 3 With Drop Conference Size 6 Conference Size 6 With Drop Conference Size for Analog Member of EKTS Complete Shift Channel Function Select 0 Channel Function Select 1 Channel Function Select 2 Channel Function Select 3 Cold Fluorescent Tube Confirmation Tone Call Forward Universal Call Forwarding Unconditional (supplementary service) Call Forwarding Unconditional to a service center (supplementary s Call Forwarding Universal Call Forwarding on Busy Call Forwarding Usage Sensitive Denial Call Forwarding Usage Sensitive Pricing Call For Votes Call Forward Validation Call Forwarding Variable Call Forwarding Variable 2 Call Forwarding Variable 2, Access Code Call Forwarding Variable 2, Establish Courtesy Call Call Forwarding Variable 2, Multiple Forwarding Limit CFV2 Restricted Control Call Forwarding Variable 2, Remote Code Restriction Call Forwarding Variable 2, Reminder Notification Suppression Call Forwarding Variable 2, Redirecting Party Number Presentation Call Forwarding Variable, Active/Inactive Status Call Forwarding Variable, Access Code Call Forwarding Variable, Establish Courtesy Call Call Forwarding Variable, Multiple Forwarding Limit CFV Restricted Control CFV Restricted Control for Analog Member of EKTS Call Forwarding Variable, Remote Code Restriction Call Forwarding Variable, Reminder Notification Suppression Call Forwarding Variable, Redirecting Party Number Presentation Call Forwarding Variable, Usage Sensitive Call Forward Call Forwarding

CFWC Call Forwarding, Cancel CFWP Call Forwarding, Programming CFWUSP Call Forward Usage Sensitive Pricing CFWVAL Call Forward Validation CFX Call Forwarding (Universal/Busy/Don't Answer) CG Center of Gravity CG Character Generator CG Coast Guard CG CodeGuard CG Command Generator CG Computer Generated CG Computer Graphic CG Connection Graph CG Customer Group CG ISO country code for People's Republic of the Congo CGA Carrier Group Alarm CGA Color Graphics Adapter CGAP Call Gapping CGB Circuit Group Blocking message CGBA Circuit Group Blocking Acknowledgement message CGC Circuit Group Congestion message CGC Circuit Group Congestion signal CGC Congestion Control CGE Common Graphics Environment CGE Compagnie Generale d'Electricite CGH Chung, Graham, and Hwang CGI Cell Global Identification CGI Common Gateway Interface CGI Computer Generated Imagery CGI Computer Generations Inc. CGI Computer Graphics Interface (former VDI, proposed standard protoco l for GKS presentation) CGLI Calling LATA Identity CGLI CallinG Line Identification (functional entity) CGLN Calling Line Number CGM Circuit Group Supervision Message CGM Computer Graphics Metafile (GKS image storage and transmission) CGM Console Graphics Module CGMAP CGM Application Profile (CGM) CGMGDD CGM Generator Device Driver (CGM) CGMIDD CGM Device Driver (CGM) CGMIF CGM Interchange Format (CGM) CGMP Cisco Group Management Protocol CGN Calling Party Number CGP Call Global Procedure CGP Channel Group Processor CGPA Calling Party Address CgPC Calling Party Category CGPN Calling Party Number CGPN-NP Calling Party Number-Network Provided CgPNo Calling Party Number CGPSAIT Calling Party Subaddress Information Transfer CGPSD Calling Party Subaddress Delivery CGPSDBL1 Calling Party Subaddress Delivery and Redirecting Subaddress Delivery Billing Records (Intranetwork) CGPSDBL1P Calling Party Subaddress Delivery and Redirecting Subaddress Delivery Billing Records (Intranetwork) for PRI CGPSDBL2 Calling Party Subaddress Delivery and Redirecting Subaddress Delivery Billing Records (Internetwork) CGPSDBL2P Calling Party Subaddress Delivery and Redirecting Subaddress

CGRP CGRR CGRS CGS CGS CGS CGSA CGSB CGSET CGSI CGSMTi CGU CGUA CG-VDI CGW CGW CH CH CH CH CH CH CH CH CH ch CH CHA CHA CHA CHAN CHAN CHAN CHAP CHAP CHAPH CHAR CHAS CHB CHB CHB CHD CHDAM CHDB CHDBR CHDBR CHDBREL CHDN CHDN CHF CHF CHG CHG CHG CHG CHG CHG CHG CHG

Delivery Billing Records (Internetwork) for PRI Circuit Group Circuit Group Reset Reception Circuit Group Reset Sending Calling Party Subaddress Centimetre,Gram,Second (system of measurement) Continuous-Grain Silicon Cellular Geographic Service Area Canadian General Standards Board Circuit Group Set Calling State Identity Circuit Group Supervision Message Type Indicator Circuit Group Unblocking message Circuit Group Unblocking Acknowledgement message Computer Graphics Virtual Device Interface Cellular Gateway Computer Graphics World (periodical) Call History Call Hold Can't Hear Cell Header Channel CHaracter Connection Handle Consultation Hold Count High Half Internet country code for Switzerland ISO country code for Swiss Confederation (Switzerland) Call Hold with Announcement Change Cursor Horizontal Absolute Channel CHAnnel Number Channel Number Challenge-Handshake Authentication Protocol Challenge-Handshake Authorization Protocol Change Packet Handler Parameters Character Information Element CHip Assembler Call Handler Block Call Header Block Class Hierarchy Browser Call Hold Call Hold for Analog Member of EKTS Compatible High Density Bipolar Call Hold B-Channel Reservation Call Hold Release B-Channel Reservation Call Hold B-Channel Reservation Release Call Hold Notification to Held Party Change Hunt Directory Number Change Feature Information Swiss Franc(s) Change Change Translation/Routing Information Charge Charge message Charge Number Charging Charging Information message Charging message

CHG CHGE CHGEA CHGI ChgPID CHI CHI CHILL CHINT ChIP CHIP CHIPS CHL CHM ChM CHM CHMF CHMOS CHMP CHN CHN CHNBR CHNL CHNLTYP CHP CHPS CHRP CHS CHS CHST CHT CHT CHT CHT CHT CHU CHV CI CI CI CI CI CI CI CI CI CI CI CI CI CI CI CI CI CI CI CI CI CI CI

Class Hierarchy Graph Charging Extended message Charging Extended Acknowledgement message Charging Information Charged Party Information Computer-Human Interaction Computer-Human Interface(s) ITU-T High Level Language Charge Injection Transistor Chunk Integration Point Constraint Handling in Prolog Call History Information Process System Change List Changeover and Changeback messages Channel Manager CHannel Marker bit pattern CHannel Marker bit pattern sent by cordless Fixed part High-Performance CMOS CHannel Marker bit Pattern sent by P Change Charge Number Charge Number Channel Channel Type Charging Point CHaracters Per Second Common Hardware Reference Platform Cylinder Head Selector Cylinder, Head, and Sector Charged Party Station Type Call History Table Call Hold and Trace Call Holding Time Charging Treatment For Origination Cursor Horizontal Tab CHannel Unit Card Holder Verification Cache Inhibit Call Identities Capability Indicator Carrier Interconnect Cell Identity Cell Insertion Chain Index Changeover Indicator Circular Hunt Code Inspections Command Identifier Command Increment Command Interface Command Interpreter Common Interface Competitive Intelligence Complete Indicator Component Interface Components Integration Congestion Indication Congestion Indicator Connection Identifier Continuity Indicator(s)

CI CI CI CI CI CI CI CI CI CI CI CI CI II CIA CIA CIA CIA CIAC CIB CIB CIB CIB CIB CIBER CIC CIC CIC CIC CIC CIC CIC CICA CICATS CI CICR CICS CICS CID CID CID CID CID CID CID CID CID CID CID CID CID CID CID CID CID CID CID CIDB CIDC CIDCW CIDCW

Continuity Information Continuous Improvement Control In Control Interface Creation Initiation Critical Indicator CUG Index Customer Information Customer Input Customer Installation Customer Interface ISO country code for Republic of the Ivory Coast Computer Inquiry II Central Intelligence Agency Channel Interface Adapter Computer Installation Assistance Current Instruction Address Computer Incident Advisory Capability Card Information Base Centralized Intercept Bureau Change Implementation Board Class Information Block CRC32 Identification Bit Cellular Inter-carrier Billing Exchange Record Carrier Identification Code Classification Information Center Codec Identity Code Common Interface Circuit Contention for Incoming Calls Customer Information Center (AT&T) Customer Initiated Call Chengdu Institute of Computer Application (China) Computer Industry Coalition for Advanced Television Service Change Intercept Cancel In-Chain Return Compact Integrated Communications System Customer Information Control System (IBM) Call Instance Data Caller Identification Calling Address Identification Calling Address Identifier Channel Identification Channel Identifier Character Identification Charge Injection Device (= optoelectronic sensor) Communication Identifier Communications ID Conference Identifier Configuration, Installation, and Distribution Connection Identification Content Identifier Craft Interface Device Customer ID Customer Identifier Customer Information Development Customer Interactive Dialing Corporate Images Database Cabinetized International Digital Controller Caller ID with Call Waiting Caller Identification on Call Waiting

CIDCW CIDFP CIDN CIDR CIDS CIDS CIDSACC CIDSBL CIDSDLV CIDSSUP CIDST(1) hnique CIE CIE CIE CIEC CIEE CIER CIF CIF CIF CIF CIF CIF CIF CIF CIFE CIFF CIFS CIG CIG CIG CIGREF CIH CII CII CII CII CII CIID CIID CIIL CIL CIL CIL CIL CIL CILS CIM CIM CIM CIM CIM CIM CIM CIM CIMAP CIME CIMECO CIMF

Calling Identity Delivery On Call Waiting Call Instance Data Field Pointer Customer International Data Number Classless Interdomain Routing Calling Identification Delivery and Suppression Calling Identity Delivery and Suppression Calling Identity Delivery and Suppression Access Codes CIDS Billing Records Calling Identity Delivery Calling Identity Suppression Comite de l'Information et de la Documentation Scientifique et Tec Commission Internationale de L'Eclairage Commission Internationale L'Eclairage Committee Internationale de l'Eclairage Citizens Internet Empowerment Coalition Chinese Institute of Electrical Engineers Channel Interrupt Enable Caltech Interchange Format (CAE/CAD Systems) Caltech Intermediate Form Cells In Flight Cells in Frames Common Image Format Common Interchange Format Common Intermediate Format (Video) Controlled Interflow Council of European Industrial FEderations Camera Image File Format Common Internet File System Calling subscriber Identification Cell Interconnection Gateway Cellular Infrastructure Group Club Informatique des Grandes Enterprises Francais Class Inheritance Hierarchy Call Identity Index Code for Information Interchange (FIPS) Common Interoffice Interface Continuing Industry Interaction MDII: Initial Address Message Signaling Irregularity Card Issuer Identification Code Card Issuer Identifier Control Intermediate Interface Language Call Information Locator Call Instruction List Communication Identification Line Compatible Issue Lineup Component Integration Laboratories E Industry Liaison Subcommittee Common Information Model Compaq, Intel, and Microsoft Compve Information Manager Computer Integrated Manufacturing Corporate Information Model Cryptographic Information Management Curo Image Manager Customer Information Management Circuit Identification Maintenance istration Position Customer Installation Maintenance Entity Centro Italiano Metodologie di Controllo Customer Installation Management Function

CIMIT CIMOM CIMS cin CIN CINFO CIO CIO CIO CIOA CIOE CIP CIP CIP cip CIP CIP CIP CIP CIP CIP CIP CIP CIPE CIPOA CIPSO CIPX CIR CIR CIR CIR CIR CIR CIR CIR CIRC CIRF CIRM CIS CIS CIS CIS CIS CIS CIS CIS CIS CIS CIS CISC CISC CISC CISG CISM CISPR IEC) CISPR CISPR CISPR CISPR

Crescendo IPC Messaging Interface Tool Common Information Model Object Manager Computer Integrated Manufacturing System C++ Input Stream Customer Identification Number Compiler Information Channel Input/Output Chief Information Officer Counter/Timer and Parallel I/O Classical IP over ATM Cabinetized Input/Output Equipment Carrier Identification Parameter C-Bus Interface Paddle Board CDMA Interface Peripheral Central Interested Party Classical IP Classifier Interface Program Command Interpreter Preprocessor Command Interpreter Prompting Common Image Part Continuous Improvement Program Critical Indicator Customer Interaction Program Cabinetized International Peripheral Equipment Classical IP over ATM Commercial IPSO Compressing IPX Calling Line Identity Request Signal Carrier-to-Interference Ratio Channel-to-Interference Ratio Circular Circular Hunt(ing) Clock Interrupt Committed Information Rate Coprocessor Interface Cross Interleave Reed-solomon Code (Compact Disk) Co-channel Interference Reduction Factor Comité International Radio-Maritime Card Information Structure CDMA Interconnect System Center for Integrated Systems Commonwealth of Independent States Communications Interim Standard Compve Information Service Computer and Information Science Computing and Information Science Image Sensor Content Information System Creation Interface Selection Complete Instruction Set Computer Complex Instruction Set Computer Complex Instruction Set Computing Change ISDN Service Group Cabinetized Integrated Services Module Comite International Special des Perturbations Radioelectrique (in Comite International Special des Peturbations Radioelectriques International Special Committee on Radio Interference International Special Committee on Radio Interference (in IEC) Internationaler Sonderausschuß für Funkstörungen (im IEC)

CISR CISS CIT CIT CIT CIT CITE CITEL CITEL CIU CIU CIU CIU CIU CIUG CIV CIV CIW CIW CIX CIX CJ CJ CJK CJK-JRG CK CK CK CK CK CKD CKD CKE CKEY CKF CKLN CKO CKR CKSN CKSN CKT CKT-ID CL CL CL CL CL CL CL CL CL CL CL CL CL1 CL2 CL3 CLA CLA CLA

Channel Interrupt Status Call-Independent Supplementary Services Committee for Innovation and Technology transfer Compagnie Industrielle des Telecommunications Computer Integrated Telephony Craft Interface Terminal Citation (HTML tag) Comison Interamericana de Telecommunicaciones Inter-American Telecommunications Commission CDMA Interface Unit Cellular Controller Interface Unit Complete Interface Unit Control and Indication Unit Craft Interface Unit California ISDN s Group Cell Interarrival Variation Conversation Interface Verb (LU6.2) Call Information Window Container Identification Word Commercial Internet Exchange Compulink Information Exchange Coin Junctor Committee of Justice (EEC) Chinese, Japanese, and Korean Chinese/Japanese/Korean t Research Group Check Bit Check Bits Cipher Key Ciphering Key ISO country code for Cook Islands Count Key Data Count, Key, Data Commercial Key Escrow Encrypted KEY MDII: Continuity Check Failure Change Keyset LEN Checking Operator Commercial Key Recovery Cipher Key Sequence Number Ciphering Key Sequence Number Circuit Circuit Identification Call Leg Cathodeluminescence Cell Loss Circuit Layout Claim Computer Language (periodical) Congestion Level Connectionless Control Leader Count Low Half Cutter Location ISO country code for Republic of Chile Congestion Level 1 Congestion Level 2 Congestion Level 3 Carrier Local Agent Carry Look-Ahead Competitive Local Access

CLAM CLAMN CLAMN CLAN CLAN CLANS CLASP CLASS CLASS CLASS CLAT CLB CLB CLB CLBW CLC CLC CLC CLCD CLCE CLCSE CLD CLD CLD CLD CLDM CLDN CLDS CLDT CLE CLEC CLEI CLEI CLEO CLF CLF CLF CLF CLF CLF CLF CLF CLFI CLG CLG CLG CLGE CLHR CLI CLI CLI CLI CLI CLI CLI CLI CLI CLI CLI CLI

Coin Line Activity Monitoring Called Line Address Modification Notification Called Line Address Modified Notification Connectionless Local Area Network Cordless Local Area Network Cordless Local Area NetworkS CLASS Plus Crisp and Linguistic Analysis of Structured Scenarios Custom Local Area Signaling Services Custom Local Area Signalling Services Communication Line Adapter for Teletype Clear Back CLear-Back signal Corel Library File Closed-Loop BandWidth Carrier Liaison Committee CeneLeC Corporate Lab Council Clear Confirmation Delay Cabinetized Line Concentrating Equipment Close Logical Channel Signalling Entity Called Called Number Called Party Collected Digits Corporate Logic Data Model Calling Line Directory Number Connectionless Data Service Common Language Datatypes Customer Located Equipment Competitive Local Exchange Carrier Common Language Equipment Identification Common Language Equipment Identifier Common Language Equipment Order Calling Line Flash Calling Line Identification On Flash Calling Line Identity by Flash Carrier Line Failure Clear Forward message Clear-Forward signal Common Log Format Higher layer connectionless channel (fast) Common Language Facility Identifier Calling Calling Number Calling Party Cabinetized Line Group Equipment Cache, Line-Holding Callable Level Interface Calling Line Identification Calling Line Identifier Calling Line Identity Calling Line Information Call-Level Interface CLear Indication Clear Interrupt CLear Interrupt mask Command Line Interface Command Line Interpreter Compression Labs Inc.

CLID CLID CLID CLIF CLIM CLIP CLIP CLIP CLIR CLIR CLIST CLIST CLK CLLCC CLLI CLLI CLLM CLM CLM CLMI CLMS CLN CLNAP CLNE CLNI CLNIP CLNP CLNS CLNS CLOAX CLOG C-Log CLONES CLOS CLP CLP CLP CLPID CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLRC CLRD CLRR CLRS CLS CLS CLS CLS CLS CLSF CLSI CLSID

Calling Line Identification Calling Line Identification Display Calling Line Identity Delivery Calling Line Identification with Flash Cabinetized Link Interface Module Calling Line Identification Presentation (supplementary service) Calling Line Identity Presentation Cellular Logic Image Processor Calling Line Identification Restriction (supplementary service) Calling Line Identity Restriction Command List Commands List Clock Ceramic LeadLess Chip Carrier (IC Package) Common Language Location Identification Common Language Location Identifier Consolidated Link Layer Management Career Limiting Move Congested-Link Method ISDN Cabinetized Line Module ConnectionLess Message Service Change LEN Connectionless Network Access Protocol Customer Located Network Equipment Connectionless Network Interface Connectionless Network Interface Protocol Connectionless Network Protocol Connectionless Network Services ConnectionLess-mode Network Service Corrugated-Laminated Coaxial Cable Call Logging Call History log Central Location On-Line Entry System Common LISP Object System Cell Loss Priority Constraint Logic Programming Consultant Liaison Program Called Party ID Cell Loss Rate Cell Loss Ratio Circuit Layout Record Clear Clear Call CLear Request Clock Recovery Combined Line and Recording Compensation Log Record Connectionless Routing Circuit Layout Record Card Clear Request Delay Circuit Loudness Rating, Receive Circuit Loudness Rating, Send Closed Combined Link Set Connectionless Server Connectionless Service higher layer ConnectionLess channel (Slow) Connectionless Service Function Custom Large-Scale Integration Class ID

CLSID CLSR CLSUP CLTA CLTG CLTP CLTS CLU CLU CLUI CLUT CLV CLW CM CM CM CM CM cm CM CM CM CM CM CM CM CM CM CM CM CM CM CM CM CM CM CM CM CM CM CM C-M CM OA CM2 CM2C CMA CMA CMA CMA CMA CMA CMAC CMAC CMAC CMAE CMAK CMAP CMAP CM-API CMAS

Class Identifier Combined Link Set Routing Call Supervisor Key Comite de Liaison des Telecommunications Trans-Atlantiques (CEPT) Change Line Treatment Group Connectionless Transport Protocol Connectionless Transport Service Calling Line Identity Unavailable Network Cluster Command-Line Interface Color Lookup Table Constant Linear Velocity ClassWizard file Cable Modem Calendar of Meetings (ETSI) Call Memory Call Model Carrier Maintenance Centimeter(s) Chairmen's Meeting (ETSI) Class Manager Class Mark Common Memory Common Mode Communication Management Communication Module Communications Component Manager Computing Module Conference Management Configuration Management Configuration Manager Configuration Map Connection Management Connection Manager Connection Memory Continuity Message Continuous Media Control Memory Correlated Message ISO country code for United Republic of Cameroon Control-Monitor Configuration Management Operations Application Communication Module model 2 Communications Module 2 Compact Call Management Agent Changeover Memory Arbitration Communications Managers Association Constant Modulus Algorithm Construction and Maintenance Agreement Customized Announcement Centralized Monitoring and Assistance Center Complex Multiple ACcumulator (IBM) Control Mobile Attenuation Code Channel Management Application Entity Connection Manager istration Kit Captive Office MAP Centralized MAP Consolidated Management Application Programming Interface Cellular Management System

CMB CMB CMB CMBH CMBO CMBS CMC CMC CMC CMC CMC CMC CMC CMC CMC CMC CMC CMC CMC CMC CMC CMC CMC CMC CMCE CMCF CMCU CMD CMD CMDC CMDF CMDF CMD-IS CMDR CMDR CMDS CMDS CME CME CME CME CM-ES CMF CMF CMF CMF CMF/PDB CMFJ CMgr CMHT CMHTBLT CMI CMI CMI CMI CMI CMI CMI CMI CMI

Connection Maintenance Busy Connection Memory Block Cyclic redundancy check Message Block Complex Instruction Buried Heterostructure Combination of Flat Rate and Message Rate Circuit Mode Bearer Service Cable Maintenance Center Call Modification Completed message Career Management Center Cellular Mobile Carrier Central Message Controller Centralized Management Center Coherent Multi-Channel Optical Communication Combining Multicast Control Common Mail Calls Common Messaging Calls Communication Management Configuration Communication Mode Control Communications Management Center CoMplement Carry Computer-Mediated Communication Connection Management Computer Connection Memory Controller Connectionless Message Control Circuit Mode Control Entity (TETRA) Control Multiple Call Forwarding Communication Module Control Unit Circuit-Mode Data Command Computing Module Duplex Cabinet Combined Main Distribution Frame Command Masking Data Facility Circuit-Switched Mobile Data Intermediate System Centralized Message Detail Recorder CoMmanD Reject (HDLC, LAP) Centralized Message Data System Centralized Message Distribution System Circuit Multiplication Equipment Circuit Multiplication Equipment Conformant Management Entity Connection Management Entity Circuit-Switched Mobile End System Channel Matched Filter Class Manager Framework Compelled Multifrequency Control and Monitoring Function Capacity Management Facility Performance Data Base (SNA) Call Modification Reject message Call Manager Call Mean Hold Time Circuit Mode Hunt Terminal Busy Limit Type Cluster Member Identifier Code Management Interface Code Mark Inversion Coded Mark Inversion Coding Method Identifier Common Metallic Interface Computer Managed Instruction Control Mode Idle Cross-Matrix Index

CMIB CMIC CMIM CMIP CMIPDU CMIPDU CMIPM CMIPM CMIS CMIS CMISE CMIT CML CML CML CML CML CMM CMM CMM CMM CMM CMMU CMN CMN CMO CMOA CMOL CMOL CMOS CMOS CMOT CMOT CMOT CMP CMP CMP CMP CMP CMP CMP CMP CMP CMP CMPT CMR CMR CMR CMR CMR CMR CMR CMR CMR CMRA CMRJ CMRR CMRS CMRS CMRS

Circuit Mode Intercom Calls Billing Records Computing Module Interface Card Common Management Information Model Common Management Information Protocol CMIP Data Unit Common Management Information Protocol Data Unit CMIP Machine Common Management Information Protocol Machine Cabinetized Miscellaneous Equipment Cabinet Common Management Information Service Common Management Information Service Element Common Management Information Transmission Cell Maximum Power Level Chemical Markup Language Chemical Multilayering C-Side Message Link Current Mode Logic Call Mode Modem Capability Maturity Model Channel Mode Modify Communications Memory Management Computer Main Memory Cache/Memory Management Unit Communication of MCU Number Control and Maintenance Network Common Mode Operation Configuration Management Operations Application CMIP over LLC CMIP Over Logical Link Control Comparison Mean Opinion Score Complementary Metal-Oxide Semiconductor CMIP Over T/IP Common Management Information Services Protocol Over T/IP Common Management Over T Camp-On Channel Management Procedure Chemical-Mechanical Polishing Communications Module Processor Communications Plenum Cable Compare Component Portion Computing Module Processor Connection Management Protocol Continuous Multicast Push Completion Tone Call Modification Request message Cell Misinsertion Rate Cell Misinsertion Ratio Cellular Mobile Radio Centralized Mail Remittance Channel Mode CLASS Modem Resource Common Mode Rejection Communications Riser Cable Common Maintainable Resource Aggregate Call Modification Reject message Common Mode Rejection Ratio Cellular Mobile Radio System Cellular Mobile Radio Telecommunications Service Commercial Mobile Radio Services

CMRT CMS CMS CMS CMS CMS CMS CMS CMS CMS CMS CMS CMS CMS CMS CMSA CMSDB CMSDB CMSG CMSM CMSO CMSS CMT CMT CMT CMT CMT CMT CMTS CMTS CMTS CMU CMU CMV CMV CMVC CMW CMWI CMWI CMX CMX CMX CMY CMYK CN CN CN CN CN CN CN CN CN CN CN CN CN CN CN C-n

Cellular Mobile Radio Telephone Call Management Services Call Management System Call Manager Service Cellular Mobile Switch Certification Mark Change Management System Circuit Maintenance System Circuit Multiplication System Code Management System Color Management System Combined Message Switch Connection Management Software Control and Measurement System Conversational Monitor System (IBM) Consolidated Metropolitan Statistical Area Call Management Services Database Call Management System Database "C" Message Weighting Computing Module Summary Centralized Mobile Switching Office Cabinetized Miscellaneous Spares Storage Cium Mercury Telluride (IR Detector) Cartridge Magnetic Tape Character Mode Terminal Connection Maintenance Connection ManagemenT (FDDI) Correlated Message Traffic Cellular Mobile Telephone System Centralized Maintenance Test System Connection Mode Transport Service (CMNS/CONS) Card Maintenance Unit Carnegie Mellon University Circuit-Mode Voice Common Mode Voltage Configuration Management and Version Control Compartmented-Mode Workstation CLASS Message Waiting Indication CLASS Message Waiting Indicator Connection Memory Control Connection Memory Controller Corel Metafile Exchange Cyan, Magenta, Yellow Cyan, Magenta, Yellow, Black Cable Network Calling Number CaNcel Check Not OK Coin Trunk Combined Delivery/Non-Delivery Notification Complete Number Congestion Notification Connect Connected Number Core Node Corporate Network(s) Customer Network ISDN Calling Number Identification Services ISO country code for People's Republic of China Container-Level n

CNA CNA CNA CNA CNA CNA CNA CNA CNAB CNAB CNABACC CNABBL CNAC CNAC CNAD CNAM CNAMAC CNAMBL CNAMD CNAMD CNAME CNAMPN CNB CNB CNC CNC CNC CNC CNC CNCC CNCS CND CND CND CND CND CND CND CNDA CNDAC CNDB CNDB CNDBO CNDBTYP

Calling Number Announcement Cascaded Network Architecture (as opposed to BNA) Communication Network Architecture (ITT Inc.) Connection Not Active Connection Not itted message Cooperative Networking Architecture (Concert-BT) Customer Name and Address DMS-100 North America Calling Name Delivery Blocking Calling Name Delivery Blocking Toggle Calling Name Delivery Blocking Access Code Calling Name Delivery Blocking Billing Records Call Not Accepted Treatment CCIS Network istration Center Calling Name Delivery Calling Name Delivery Calling Name Delivery Active/Inactive Status Calling Name Delivery Billing Records Calling Name Delivery Calling Name Display Canonical Name Calling Name Delivery with Personal Name Delivery Type Calling Number Blocking Consumer News and Business Centralised Network Control Computer Numeric Control Computer Numerical Control Computer Numerically Controlled Computer(ized) Numeric Control Customer Network Control Center Carrier Non-Compatible Services Called Party Number Calling Name Delivery Calling Number Delivery Calling Number Display Calling Party Number Delivery Carrier Networks Documentation Customer Network Design Calling Number Delivery Activation Calling Number Delivery Active/Inactive Status Calling Number Delivery Blocking Customer Number Data Base Calling Number Delivery Blocking Override Calling Party Number Delivery Blocking Type (Privacy Change Allowe

d) CNDD CNDS CNDTYP CNE CNE CNET CNET CNF CNF CNF CNF6 CNFL CNFLSZ CNG CNG

Calling Number Delivery Deactivation Customer Network Design System Calling Party Number Delivery Type Certified NetWare Engineer Certified Novell Engineer Centre National d'Etudes des Telecommunications Control Network Conference Conjunctive Normal Form Station Controlled Conference Six-Way Conference Calling Conference Calling, Larger Than Six-Way Conference Calling, Larger Than Six-Way, Size Calling Tone Carrier Networks Group

CNG CNG CNG CNI CNI CNI CNI CNIBL CNIBLP CNIC CNIC CNID CNID CNIDR CNIL CNIMS CNIP CNIP CNIPPAB CNIPPABP CNIR CNIR CNIR CNIS CNIS CNL CNL CNL CNM CNM CNM CNM CNM CNM CNMA PRIT) CNMC CNMI CNMS CNN CNNB CNND CNOS CNP CNP CNR CNR CNR CNRI CNS CNS CNS CNS CNS CNS CNSS CNT CNTX

Comfort Noise Generation Comfort Noise Generator Fax Calling Tone Calling Number Identification Changed Number Interception Common Network Interface Customer Premises Equipment Network Integrator Calling Number Information Delivery Billing Records Calling Number Information Delivery Billing Records for PRI Calling Number Identification Circuit Clearing Network Identification Code Calling Number Identification Customer Network Information Database Clearinghouse for Networked Information Discovery and Retrieval Conseil National Informatique et Liberte (F) Customer Network Integrated Management System Calling Name Identification Presentation Calling Number Identification Present Calling Number Identification Public-to-Private and Private-to-Public Activation Billing Records Calling Number Identification Public-to-Private and Private-to-Public Activation Billing Records for PRI Calling Number Identification Restricted Calling Number Identification Restriction Calling/Connected Name Identification Restriction Calling Number Identification Services Computer Networks and ISDN Systems CoNnectionLess Constant Net Loss Cursor Next Line Called Number Mask Circuit Network Management Message Group Communication Network Management Communication Network Management (NetView, VTAM) Connection Memory Customer Network Management Communication Network for Manufacturing Applications (MAP/MMS) (ES Corporate Network Management Center (CWAN-ATT) Communication NM Interface (SNA) Customer Network Management Services Cable News Network Calling Name and Number Blocking Calling Name and Number Delivery CCIS Network Operations System Charge Number Parameter Connection Not Possible Carrier-to-thermal Noise Ratio Complex Node Representation Could Not Reproduce Corporation for National Research Initiatives Communication Network Service Communication Network Connected Party Subaddress Connection Not Successful Customer Network Solutions Customer Networking Solutions Core Nodal Switching Subsystem Coaxial Network Termination Centrex

CNU CNV CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO ID COA CO-ACD COAM COAM COAM COARS COAX COB COB COB COB COB COBCLI COBI COBOL COBRAnet COBS COBS COBUCO COC COC COC COC COC COCF COCF COCOM COCOS COCOT COCS COD COD COD CODACS CODAN CODARTS

Coaxial Network Unit Conversion File Call Offer (supplementary service) Call Origination Captive Office Cavity Oscillator (microwaves) Central Office Certificate of Origin Check OK Circuit Order Code Owner Coin Coinbox Combining Conditional Objective COnnection Connection Oriented Connection-Oriented mode Control Out Crystal Oscillator Cutoff ISO country code for Republic of Colombia U.S. postal code for Colorado Company Identification Changeover Acknowledgement message Central Office-Automatic Call Distribution Centralized Operation, istration, and Maintenance Customer Owned and Maintained Customer Owned And Maintained (equipment) Central Office Alarm Reporting System Coaxial Cable Chip On Board Close of Business CO Booking COBOL File Complaint Observing CO Booking Command Line Interface Connection-Oriented Bearer-Independent Common Business-Oriented Language Corporate Broadband Applications Network Central Office Business Systems Consistent Overhead Byte Stuffing Cordless Business Communications Central Office Code Code Owners Consortium Compiler Object Code Consultation Calling Current Operations Channel Connection Oriented Convergence Functions Connection-Oriented Convergence Function Coordinating Committee for Multilateral Export Controls Corporate Communication System Customer-Owned Coin Operated Telephone Conversion of Created Services Connection Oriented Data Cross-Office Delay Cutoff on Disconnect Captive Office Digital Access Cross-connect System Carrier-Operated Device, Anti-Noise Concurrent Design Approach for Real-Time Systems

CODASYL CODC CODEC CODES CODEST CODETEL CODIT CODP CODS COE COEES COEI COEM COEO COER COF COF COF COF COF COF COFA COFDM COFDM C-OFDM COFF COFF COFIDEC COG COG COG COH COH COH COHO COI COI COIC COIN COKOL COL COLA CO-LAN COLI COLI COLI COLP COLR COLR COLR COLR COLT COLT COM COM COM COM COM COM com

Conference On Data Systems Languages Central Office Data Collector Coder/Decoder Central Office Data Engineering System COmite de Development European de la Science et de la Technologie Compania Dominicana de Telefonos Code Division Testbed Central Office Data Processor Connection Oriented Data Service Central Office Equipment Central Office Equipment Engineering System Central Office Equipment Installation Commercial Original Equipment Manufacturer Central Office Equipment Order Central Office Equipment Report Cause of Failure Cinema of the Future Confusion signal Continuity Failure Cursor Off MDII: Confusion Signal Received Change of Frame Alignment Coded Orthogonal Frequency Division Multiplex Coded Orthogonal Frequency Division Multiplexing Convolutional coding OFDM Common Object code File Format Common Object File Format Coder-Filter-Decoder Central Office Ground Centralized Operations Group Code Owners Group Common Overhead Communication Overhead Connection Overhead CoHerent Oscillator Community of Interest Connection-Oriented Interconnection Central Office Interface Circuit Coin Phone Operational and Information Network System Corporate Knowledge On Line Collect CO Lab Access Central-Office LAN (BOC) COnnect Line Identity COnnected Line Identification (functional entity) Connected Line Identity COnnected Line identification Presentation (supplementary service) Carrier of Last Resort Circuit Order Layout Record Connected Line Identification Restriction COnnected Line identification Restriction (supplementary service) City of London Telecom Connection Optimized Link Technology Cable Organizer Module Central Office Maintenance Combined Carrier Comedy Central Command Command File Commercial organizations domain

COM COM COM COM COM COM COM COM COM COM CoM COM COMA COMAC COMAS COMB COMB COMDAT COMDEX COMETT COMFGD COMMS COMMS-PM

Common Common Object Model COMmunication Communications Compact Executable file COMplete Complete Component Object Model Computer Output Microfilm Computer Output Microfilming Connection Manager Continuation of Message Cache-Only Memory Architecture Comite d'Actions Concertees Computerized Maintenance and istration Combined Load Combined Common Data Computer Dealers Exposition COMmunity programmme for Education and Training for Technology Combined Feature Group D Central Office Maintenance Management System Central Office Maintenance Management System-Preventive Maintenanc

COMPAC COMPAC COM COM COM COMPENDEX COMPVH COMS COMSAT COMSEC COMSOC COMSOFT CON CON CON CON CON CON CON CON CON CONCERT ogy COND CONF CONF CONF Conf CONF CONF CONF CONG CONG CONI CONLAN CONMAN

Commonwealth Pacific Cable submarine cable COMputer oriented PArt Coding Central Office Maintenance Printout Analysis (GTE) Communications Program for Advanced Switching Services Communications Programs for Advanced Switched Services COMPuterized ENgineering inDEX Compiler Virtual Hex (Test Case Language Compiler) Connection Oriented Message Service Communications Satellite Corporation Communications Security IEEE Communications Society Consortium for the Management of Emerging Software Technologies Call Connect Concentrator Conference Calling Connect message Connected Party Number Connection Connected Connection oriented Conversation Cursor On Communications for North Carolina Education, Research, and Technol

e

Conditional Conference Call, Add On (supplementary service) Conference Calling Conference Circuit Confirm Confirm Confirmation Confusion message Congestion Congestion message COnnect Number Identity CONsensus LANguage Connection Manager

CONN CONN CONN CONN CONN CONN ACK CONNACK ConnND ConNo CONP CONP CONP CONS CONS CONS CONS CONT CONT CONT CONT CONUS CONV COO COO COO COOP COORS COOTS COP COP COP COP COP COP COP COP COP COP COP COPES COPOLCO COPQ COPS COPS COPS COPT COPT COPWAT COQ COR COR Cor COR CORA CORBA CORC CORDIC CORDS CORE COREPER

CONNect Connect message Connection Connection Manager Connector Connect Acknowledge message CONNect ACKnowledgement Connected Number Delivery Connected Number COnnect Number identification Presentation Connection Not Possible Treatment Connection-Oriented Network Protocol Connection Oriented-mode Network Service Connection-Mode Network Service Connection-Oriented Network Services Console Connection Server Connections Team Continue Controller Contiguous United States Conventional Changeover Order message Chief Operating Officer Cost of Ownership Center for Object-Oriented Programming CO Ordering and Report System Conference on Object-Oriented Technologies and Systems Center of Projection Character Oriented Protocol Character-Orientated Protocol (Data Comm.) Code Of Operation Code Of Practice Code of Practice Complex Operations Parameters Complicated Outpulsing Computer Operating Property Controller Oriented Processor Control-Oriented Processor Customer Optimized Product Engineering System ISO council COmmittee on COnsumer POLicy Cost of Poor Quality Circuit Order Preparation System Complex Operations Per Second Cutover Preparation Services Customer Operated Pay Telephone Customer Owned Pay Telephone Customer-Owned Premises Wiring Acceptance Test Cost Of Quality Carrier Operated Relay CORrelator Corrigendum Corrupt Parameter Call Rater Common Object Request Broker Architecture Customer-Originated Recent Change Coordinate Rotation Digital Computer Coordination of Record and Data Base System Internet Council of s COmite des REpresentants PERmanents

CORP CORR CORT CORUM CORWAN COS COS COS CoS COS COS COS COS COS COSAC COSE COSE COSINE COSMIC COSMOS COSP COSPAR COSS COSS COSS1 COSS2 COSS3 COSS4 COSS5 COST COST COST COSTAR COSTAR COSU COSW COT COT COT COT COT COT COT COT COT COT COTAC COTC COTDR COTES COTi COTM COTP COTS COTS COTS COURT cout COV

Career Opportunity Rotational Program Centralized Office Release Record Code Owner Request Tracking Captive Office Remote -area Menu Corporate Wide-Area Network Call Origination Status Camera Operating System Class of Service Class of Service Common Object Services Communication OS Connection Oriented Services CORBA Object Services Corporation for Open Systems Canadian Open Systems Application Criteria Common Open Software Environment Common Open Systems Environment Corporation for Open Systems Interconnection Networking in Europe Common Systems Main InterConnecting Computer System for Mainframe Operations Central Office Signaling COmmittee on SPAce Research Central Office Switching System Common Object Service Specification Common Object Service Specification Volume 1 Common Object Service Specification Volume 2 Common Object Service Specification Volume 3 Common Object Service Specification Volume 4 Common Object Service Specification Volume 5 Class of Service Tone Cooperations Projects of Scientific and Technical Research European Cooperation in the Field of Science and Technology COmputer STored Ambulatory Record (Medical) Conventional On-line STorage And Retrieval Central Office Service Unit Electronic Switching: Central Office Systems of the World; Amos E. Joel Jr.; IEEE Press, 1976 Central Office Terminal Continuity Continuity Check message Continuity Message Continuity Signal Continuity Test Continuity Test message Continuity Test Transceiver Continuity Testing Customer Originated Trace Customer Originated Trace Status Canadian Overseas Telecommunication Corporation Coherent Optical Time Domain Reflectometer COnventional TErrestrial reference System Continuity Indicator Customer Owned and Telephone Company Maintained Connection-Oriented mode Transport Protocol Commercial Off-The-Shelf Connection-Oriented mode Transport Service Connection-Oriented Transport Service C.O. Request Tracking C++ Output Stream Changeover

COV COVER COW /M /M A A A A A A A A AAL5 AD AN AP ARK B B B B B C C C C C

Changeover signal Captive Office Vintage Equipment Records Copy On Write Call Pickup Call Process Call Processing Call Processor Call Program Card Punch Central Processor Choke Packet Circuit Pack Circular Polarization Closed Pending Code Page Collision Presence Common Part Communication(s) Processor Complete Partitioning Confirmed Party Connected Party Connection Pending Connection Performer Connection Point Connection Processor Contention Period Control Point Control Processor Control Program Copy Protected Critical Path Current Product Customer Premises Customer Programmability Customer Programmable Control Program/Microcomputer Control Programme for Microcomputers Called Party Address Carry-Propagate Adder Circuit Pack Assembly CLASS Protocol Analyzer Component Placement Agreement Control Point Adapter Co-Polar Attenuation Critical Path Analysis Common Part of AAL5 Call Processing Agency Driver Comprehensive Perl Archive Network Customer Premises Access Profile Attendant Call Park Call Processing Busy Commercial Public Broadcasting Communication Processor Block Constrained Parameters Bitstream Corporation for Public Broadcasting Call Processing Control Calling Party Category Calling Party Control Carrier Portability Code Cell Personality Card

C C C C C C C CCI CE CH CI CI CI CL CO CS CS D D D D D D D DC DDN DM E E E E E EI F F FC FR FSK FSK FT FT G G G G G G G G G1 G2 G3 G4 GA GACC H H H H HB

Common Part Code Common Peripheral Controller Common Product Code Common Protocol Component Component Procurement Code Continuing Professional Competency Corporate Product Code Conference Permanente des Chambres de Commerce et d'Industrie Common Peripheral Control Equipment Calling Party Cannot Hear Call Processing Control, Incoming Calling Party Category Indicator ISDN Common Peripheral Control Call Processing Class Library Call Processing Control, Outgoing Common Part Convergence Sublayer Customer-Provided Communication System Call Processing Deloading Call Processing Description Central Pulse Distributor Computer Products Division Connection Propagation Delay Cross Polar Discrimination Cumulative Probability Distribution Cabinetized Power Distribution Center Calling Party Default DN(s) Call Processing Domain Model Call Processing Enabled Central Processing Element Channel Parameter Estimator Customer Premises Equipment Customer Provided Equipment ISDN Common Peripheral Equipment Coin, Pay First Convolutional, Parity, Fire Cost Per Function Code Calling Party Forced Release Continous-Phase Frequency Shift Keying Continuous Phase Frequency Shift Keying Circuit-Pack Functional Test Customer-Premises Facility Terminal Call Pickup Group Call Pickup Groups Call Processing Message Call Progress message Circuit Pack Group Clock Pulse Generator Code Page Conference Preparatory Group Call Pickup- Pickup Group 1 Call Pickup- Pickup Group 2 Call Pickup- Pickup Group 3 Call Pickup- Pickup Group 4 Ceramic Pin Grid Array (IC VLSI Package) Call Pickup Group Access Codes Call Party Handling Called Party Hold Calls Per Hour Characters Per Hour Computer Protocol Heart Beat

I I I I I I I I I I I I I I I-C ID ID IW K KBAS KDIR KSEC L L L L L C-PLANE C-plane LD M M M M M M M M M M M M M M M M M M M MGR MS N N N N NDC NIE NM N-NP NPA

Cable Pair Identification Call Progress Indication Call Progress Indicator Calling Party Identification Central Patents Index Characters Per Inch Common Part Indicator Common Programming Interface Communication Programming Interface Computer-to-PBX Interface Convergence Sublayer Protocol Information E Interface Cycles Per Inch Cycles per Instruction Common Programming Interface for Communications Call Processing Identifier Calling Party Identification Customer-Provided Inside Wire Call Park Call Park Basic Directed Call Park Directed Call Park with Security Code Capability Level Commercial Private Line Control Applets File Current Privilege Level Cursor Preceding Line Control PLANE Control plane Complex Programmable-Logic Device Cabinetised Peripheral Module Call-Progress Monitor Cards Per Minute Central Processor and Memory Common Peripheral Module Common Process Model Communications Processor Module Compact Peripheral Module Condensed Peripheral Module Conductive Plastic Material Conference Preparatory Meeting Continuous Phase Modulation Co-ordination and Project team Management department (ETSI) Core Package Modules Counts Per Minute Critical Path Method Critical-Path Method Customer Profile Management Cycles Per Minute Connection Point Manager Cable Pressure Monitoring System Calling Party Number Cellular Provider Network Customer Premise(s) Network Customer Premises Node Calling Party Number Discard Control Calling Party Number Information Element Call Processing Notification Manager Calling Party Number-Network Provided Calling Party Number Presentation Allowed

NPN NT N-UPNS NX OCC ODA OK OL OS p P p P P P P P P PEC R R R R R R R R R R R1 R2 C-PRK RTE S S S s S S S s S S S S S S S S s s SA SD sel SG SIE SK SL SR ST

Calling Party Number Provision Necessary Calling Party Number Delivery Type Calling Party Number- -Provided, Not Screened Computer Protocol Network Executive Call Processing Occupancy Contention Priority-Oriented Demand Assignment Smalltalk C Programming ObjectKit Communications Procedure-Oriented Language Centralized AMA Position C Preprocessor C++ File C++ File Call Processing Protocol Calling Party Pays Common Peripheral Processor Component Project Plan Cordless Portable Part Customer Partnership Program Circuit Pack PEC Call Path Restoration Call Processing Record Change Process Re-engineering Continuing Property Records Continuous Progress Critical Path Restoration Critical Path Restoration Current Page Cursor Position Report Customer Problem Report Channel Priority 1 Channel Priority 2 Call Park Call Processing Run-Time Environment Call Processing Selector Call Processing Server Calling Party Sub-Address Calls Per Second Cards Per Second Cellular Packet Switch Characters Per Second Characters Per Second Circuit Pack Storage Common Part Sublayer Content Provider System Conversation Programming System Corporate Presence Server Selector Customer Premises System Cutoff Priority Scheme Cycles Per Second cycles per second (obsolete, now Hz) Calling Party Subaddress Calling Party Subaddress Delivery Selector Call Park Subscriber Group Calling Party Subaddress Information Element Coherent Phase-Shift Keying Confirmed Party Service Link Computer Professionals for Social Responsibility Control Point Spanning Tree

T T T T T T TE TLB TP TS U U U UACC UB UBEX UDDN UDPU UFW UN UPEX VDN W Y CQ CQ CQA CQA CQA CQC CQFP CQM CQM CQM CQR CQR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR

Call Progress Tone Carolina Public Television Cisco Protocol Translator Coinless Public Telephone Completion Tone Customer-Provided Terminal Customer Premises Terminal Equipment Call Processing Terminal Linkage Block Consolidated Product Test Plan Coinless Public Telephone Service Call Pickup Central Processing Unit Central Processor Unit Call Pickup Access Codes Call Pickup Billing Records Call Pickup for the Business Environment Directed Call Pickup Directed Call Pickup with Barge-In U Firmware Call Pickup Notification Call Pickup for the Public Environment Calling Party Valid DNs Co-planar Waveguide Copy Backup Catalog File Channel Queue Communications Quality Call Queue Assignment Certified Quality Auditor Custom Quality Audit Cell Queue Controller Ceramic Quad Flat Package Cell Queue Manager Circuit group Query Message Circuit Query Message Circuit group Query Response message Circuit Query Response message Call Record Call Reference Call Report (TETRA) Call Request Call Restriction (supplementary service) Call Router Card Reader Carriage Return Carrier Recovery Channel Response Chrominance colour difference, Red Clear Record Cluster Robustness Tested Code Restriction Coin Return Comite de coordination des Radiotelecommunications (CEPT) Command Component Request Condition Conditional Requirement Configuration Record Connection Request Connection-Related function Content Review

CR CR CR CR CR CR Cr CR/D CRA CRA CRA CRA CRA CRA CRAC CRACF CRAFT CRAG CRAM CRAS CRB CRB CRB CRBDN CRBE CRBL CRBO CRBS CRBT CRC CRC CRC CRC CRC CRC CRC CRC/BC CRC4 CRCC CRCC CRCDN CRCDS CRD CRD CRD CRD CRD CRDA CRDN CRDN CRDO CRDP CRDPC CRDPCGP CRDS CRE CRE CRE CRE

Contention Resolution Control Critical Customer Record Customer's Report ISO country code for Republic of Costa Rica Red Chrominance Code Restriction and Diversion Call Record Assembler Call Request Activate Call Routing Apparatus Call-Request Activation Circuit Reservation Acknowledgment message Customized Recorded Announcement Change Request Authorization Committee Call-Related Radio Access Control Function Co-operative Research Action for Technology Cellular Radio Advisory Group Card Random Access Memory Cable Repair istrative System Change Review Board Cramer-Rao Bound Customer Records and Billing Call Redirection Busy Directory Number Conversational Remote Batch Entry Call Reference Busy Limit Centralized Records Business Office Cell Relay Bearer Service Continuous Ringback Tone Class, Responsibility, Collaboration Class-Responsibility-Collaborator Common Repair Code Communications Relay Center Communications Research Centre Cyclic Redundancy Check Cyclical Redundancy Check Cyclic Redundancy Check/Blocked Check Cyclic Redundancy Check procedure relating to the 2 048 kbit/s basic frame structure according to CC Cyclic Redundancy Check Character Cyclic Redundancy Code Character Call Redirection or Call Deflection Notification Call Redirection or Call Deflection Selection Call Rerouting Distribution Card file Color Rendering Dictionary Credit Customer Requested Delivery Call Request Delete All Call Redirection Directory Number Call Redirection or Deflection Notification Centre de recherche pour la defense, Ottawa Call Redirection and Deflection Prevention Code Restriction/Diversion Prohibited Codes Code Restriction/Diversion Prohibited Codes Group Call Request Delete Specific Call Re-establishment Call Re-establishment procedure Conductorship Relinquished Cordless Radio Equipment

CRED CREF CREF CREG CREJ CREN CREST CRET CRF CRF CRF CRF CRF(VC) CRF(VP) CRG CRG CRG CRG CRH CRI CRI CRI CRID CRIS CRISD CRISP Crit CRJE CRL CRL CRL CRLB CRLF CRLF CRM CRM CRM CRM CRM CRM CRMA CRMG CRN CRn CRN CRN CRO CRO CRO CRO CRO cro CRO CRODN CROM CROP CRP CRP CRP CRPA

Credit Card Calling Connection Refusal message Connection Refused Concentrated Range Extension with Gain Call Rejected Corporation for Research and Educational Networking Code Restrictions Call Retrieve Call Reference Call Reference Flag Cell Relay Function Connection Related Function(s) Virtual Channel Connection Related Function Virtual Path Connection Related Function Charge Information message Charging Common Routing Group Customized Ringing Classes-Responsibilities-Helpers Call Request with Identification Channel Restart Indicator Continuity Recheck Incoming Call Record ID Customer Records Information System Computer Resources Integrated Document Cascadable Real-Time Integrated Signal Processor Critical Conversational Remote Job Entry Certificate Revocation List Computing Research Laboratory Corporate Reuse Library Cramer Rao Lower Bound Carriage Return and Line Forward Carriage Return, Line Feed Call Record Management Cell Rate Margin Circuit Reservation Message Component Resource Manager Connection Request Mode Control Representation Mode Cyclic Reservation Multiple Access Call Reference Manager Call Redirection Notification Call Reference Number Call Request with Number CMWI Ring Notification Cancel Rerouted Overflow Cathode Ray Oscilloscope Central Radio Office Central Records Office Certification Requirements Owner Character Reference Open Continuity Recheck Outgoing Call Redirection Out of Order Directory Number Control Read-Only Memory Component Rationalization and Optimization Call Request Packet Command RePeat U Root Pointer Controlled Reception Pattern Antenna

CRQ CRQ CRR CRR CRR CRR CRRE CRS CRS CRS CRS CRS CRS CRS CRS CRS CRS CRS CRS CRS CRS CRS CRSA CRSAB CRS-B CRSC CRSDRV CRSN CRSS CRSS CRST CRT CRT CRT CRT CRTC CRTC CRTS CRTS CRTSIM CRUD CRUD CRV CRVDN CRX CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS

Call Request Closed Group Selection and Validation Request message Call Request Retrieval Call Request Retrieve Circuit Reset Reception MDII: Reset Signal Received that Aborts Incoming Call Corrected Receiving Reference Equivalent Call Recording Stream Call Redirection Subscription Cell Relay Service Cell Relay-based Service Centralized Results System Circuit Reset Sending Closed Group Selection and Validation Response message Communicating Rule Systems Conference Reservation System Configuration Report Server Crescendo Crescendo Bulk Call Generator Crescendo Driver Customer Record Set Customer Report System Centralized Repair Service Attendant Centralized Repair Service Attendant Bureau Crescendo-B (Ameritec BRI bulk call generator) Cabinetized Remote Switching Center Crescendo Driver Call Record Sequence Number Call Redirection Service State Call-Related Supplementary Services Cluster Route Set Test message Call Retention (TETRA) Cathode Ray Terminal Cathode Ray Tube Continuous Ring Tone Canadian Radio-Television and Telecommunications Commission CRT Controller Cellular Radio Telecommunications Service Cellular Radio Test Set Cathode Ray Tube Simulator Create, Read, Update, Delete Create, Retrieve, Update, Delete Call Reference Value Call Redirection Variable Directory Number Call Request Exempt Cable Ship Cable Station Call Second Call Segment Call Server Call State Call Store Capability Set (of IN) Carrier Sense Carrier Sensing Carrier System Cell Selection Cell Site Central Secretariat (CEN) Check Sequence

CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS/SS CS1 CS-1 CS-1 CS1R CS2 CS-2 CS-2 CS3 CS-3 CSA CSA CSA CSA CSA CSA CSA CSA CSA CSA CSA CSA CSAB CSAC CSACCS

Chip Select Chip Select Circuit Schematic Circuit Switch Circuit Switched Circuit Switching Class Style Clear to Send Code Segment Code Server Code Submitted Codeset Codeswitch Coin Stuck Commercial Specification Communication et Signalization (CEPT) Communication Subsystem (IBM) Communication Communication(s) System Complete Sharing Computer Science Computer Simulation Configuration Services Connected Subaddress Connection Segment Connection Server Control State Convergence Sublayer Coordinated Single-Layer Cryptoserver C-Side Customer Specification Customer-Specific Higher layer Signalling channel (slow) ISO country code for Czechoslovakia (obsolete) Card Services and Socket Services Capability Set 1 Capability Set 1 IN Capability Set No 1 Capability Set 1- Refined Capability Set 2 Capability Set 2 IN Capability Set No 2 Capability Set 3 Capability Set 3 Calendaring and Scheduling API Call Segment Association Called Subscriber Answer Canadian Standards Association Carrier Service Area(s) Carrier Serving Area Carry-Save Adder Client Service Agent (MAP2.1 directory services) Commercial Specification Agreement Computing Services Computing System Computing Systems Analyst Computer Science Accreditation Board Computer Science Accreditation Commission Customer Service istration Control Center System

CS-ACELP CSAP CSAPI CSAT CSATS CSB CSB CSB CSC CSC CSC CSC CSC CSC CSC CSC CSC CSC CSC CSC CSC CSC CSC CSCAN CSCANS CSCC CSCC CSCD CS-CDPD CSCF CSCM CSCN CSCS CSCV CSCW CSCW CSCW CSD CSD CSD CSD CSD CSD CSD CSDC CSDDN CSDDS CSDI CSDI CSDI CSDN CSDS CSDS CSDS CSDS/E CSE CSE CSE CSE CSECT

Conjugate-Structure, Algebraic-Code-Excited Linear Prediction Carrier Specific Announcement Phrasing Common Speller Applications Programming Interface Customer Satisfaction Circuit Switch Automated Test System Central-Side Busy Channel Supervision Bit Client Bulletin Canadian Standards Committee Cell Site Controller Central Site Controller Central Switching Center Character Sets and their Coding Circuit Signaling Channel Circuit Switching Center Clock Synchronization Circuit Codeswitch Controller Common Signalling Channel Common Supplier Code Control Signalling Code Critical Service Circuit Customer Service Center (ATT) Customer Service Change Customer Service Computerized Access Network Customer Services Computer Access Network Standards Command Session Change Control Coordinated State Change Control Common Signalling Channel Demodulator Circuit-Switched Cellular Digital Packet Data Common Service Circuit Frame Common Signalling Channel Modem Canadian Steering Committee on Numbering Common Signalling Channel Synchroniser CS Connection View Computer ed Collaborative Work Computer ed Collaborative Working Computer-ed Cooperative Work Circuit Switched Data Circuit-Switched Digital Service Communications Service Division Communications Systems Division Corrective Service Diskette S System Description Customer Service Division Circuit Switched Digital Capability Circuit Switched Digital Data Network Circuit Switched Digital Data Service Calling Card Service Denial Indicator CCAN Service Denial Indicator Identifier CCSAN Service Denial Indicator Circuit Switched Data Network Centralized Software Distribution System Customer Service Data System Customer Service Database System Customer Service Data System-Evolution Cause Communications Security Establishment Coordinated Single-Layer Embedded Customer Service Expert Control Section

CSEL CSELT CSER CSF CSF CSFID CSFP CSFT CSG CSH csh CSH CSI CSI CSI CSI CSI CSI CSI CSI CSI CSI CSID CsID CSID CSIDE C-SIDE CSIO CSIR CSL CSL CSL CSL CSL CSL CSL CSLIP CSLK CSLN CSLT CSM CSM CSM CSM CSM CSM CSM CSM CSM CSM CSM CSM CSM CSM CSM CSM CSMA CSMA/CA CSMA/CD CSMA/CR

Cable Select Centro Studi e Laboratori Telecomunicazioni (I) Consortium for Software Engineering Research Cell Site Function(s) Customer Service Functions Cross-Service Feature Interaction Detection Coded Superframe Phase Customer Services Feature Translator Caller Subscriber Geography C Shell C Shell Called Subscriber Held Call Setup Initialization Called Subscriber Identification Carrier Scale Internetworking Channel State Information Clearing Subnetwork Identification Code Selection Indicator Command Sequence Initiator Control Sequence Introduction Convergence Sublayer Indication Current Source Inverter (Power Electronics) Call Segment Identifier Call Segment Identifier Calling Station Identifier Core Side Core Side Clocked Serial Input/Output Co-channel Signal to Interference Ratio Command and Status Link Component Sublayer Component Substitution List Computer Systems Laboratory (USA) Constraint Specification Language Control and Simulation Language Current-Sinking Logic Compressed SLIP Control Side Link Client-Server Layer Network Created Service Live Testing Call Segment Model Call Supervision Message Cell Site Monitor Central Service Module Centralized Software Management Channel Supervision and Messaging Channel Supervision Manager Channel Supervision Message Combined Symbol Matching Communication Session Manager Communication System Management Communications Services Manager Communications System Monitor Complex Services Module Concorde System Manager Correed Switching Matrix Carrier Sense Multiple Access Carrier Sense Multiple Access with Collision Avoidance Carrier Sense Multiple Access with Collision Detection Carrier Sense Multiple Access with Contention Resolution

CSMO CSMP CS-MUX CSN CSN CSN CSN CSN CSN CSNET CSNET CSNP CSO CSO CSO cso CSO CSO CSO CSO CSO CSO CSOM CSOS CSOS CSP CSP CSP CSP CSP CSP CSP CSP CSP CSP CSP CSP CSP C-SPAN CSPDN CS-PDU CSPM CSPP CSPS CSQP CSR CSR CSR CSR CSR CSR CSR CSR CSR CSR CSR CSR CSR CSR CSR

Cell Site Master Oscillator Continuous System Modelling Program Circuit-Switched Multiplexer Card-Select Number Cell Site Node Cellular Service(s) Node Circuit Switched Network Cluster Sequence Number Common Services Network Computer + Science Network Computer Science Network Complete Sequence Number PDU Central Services Organization Centralized Service Observation Cold Start Only Cold Start Only Components and Supply Operations Composite Second Order Computer Service Organization Customer Service Operations Customer Service Organization Customer Services Order Computer System Operator's Manual Central Operating System Change Service Order System Call System Procedure Character Shape Player Chip Scale Package Cluster Server Process Coin, Semi-Postpay Coint Sent Paid Communicating Sequential Process(es) Communications Services Platform Communications System(s) Platform Composite Service Participant CompuCom Speed Protocol Control Switch Point Control Switching Point Cable Satellite Public Affairs Network Circuit Switched Public Data Network Convergence Sublayer Protocol Data Unit C-Side Peripheral Module Computer Systems Policy Project (US) Constrained System Parameter Stream Customer/Supplier Quality Process Cell Switch Router Cell Switch Routing Cell Switching Router Channel Status Character Shape Recorder Code Special Ring Code Specific Reroute Communications Standards Review Consistency Check Request message Control and Status Customer Service Record Customer Service Report Customer Service Representative Customer Service Request Customer Station Rearrangement

CSRA CSRC CSRE CSRG CSRG CSRM CSRU CSS CSS CSS CSS CSS CSS CSS CSS CSS CSS CSS1 CSSB CSSM CSSN CSSP CSSP CST CST CST CST CST CST CST CSTA CSTA CSTMGRP CSTO CSTS CSU CSU CSU CSU CSU CSU CSU CSV CSV CSV CSV CSV CSVD CSVR CSVS CSW CT CT CT CT CT CT CT CT CT

Consistency Check Request Acknowledge message Contributing Source Corrected Sending Reference Equivalent Computer Science Research Group Computer Systems Research Group Call Server Resource Module Created Service Resource Utilization Cascading Style Sheet Cell Site Simulator Cell Site Switch Cellular Simulation System Cellular Subscriber Station Comprehensive Software Connection-Successful Signal Start/Stop Created Service Simulation Customer Switching System Cascading Style Sheet Level 1 Compatible Single SideBand (transmission) Cross-SCE Service Maintenance Circuit State Sequence Number Cache Set Status Port Common Services Switching Point Carrier Power Supply, Transistorized Central Standard Time Central Station Class-Of-Service Tone Common Segment Table Computer ed Telecommunications Connection Switch Table Computer ed Telephony Applications Computer-ed Telecommunications Applications Customer Group Computing Systems Technology Office Customer Service Technical Channel Service Unit Check Signal Unit Client State Update Common Unit Communications Server Unit Communications Service Unit Communications System Certified System Vendor Circuit Switched Voice Comma Separated Value(s) Common Service Verbs Cornerstone Voice Continuously Variable Slope Delta Closed Group Selection and Validation Request Message Closed Group Selection and Validation Response Message Channel Status Word Call Tracing Call Transfer Call Transfer supplementary service Call Type Centre du Transit Channel Tester Channel Type Code Table Coding Type

CT CT CT CT CT CT CT CT CT CT CT CT CT CT CT CT CT CT CT1 CT1 CT1+ CT2 CT2 CT-2 CT2Plus CT3 CT4Q CTA CTA CTA CTA CTA CTA CTAC CTAG CTAK CTAK CTALL CTAO CTAP CTAS CTB CTB CTB CTB CTB CTC CTC CTC CTC CTCI CTCM CT CTCSS CTCSS CTD CTD CTD CTD CTD

Collectable Token Complete Translation Computed Tomography Computer Telephony Computer Terminal Computer Tomography Conformance Testing Conformance Testing Connection Termination Connection Type Continuity Transceiver Control Terminal Cordless Telecommunications Cordless Telephone Critical Interdigital Timing Cross Talk Cut-Through U.S. postal code for Connecticut Cordless Telephone 1 Cordless Telephone 1st generation Version of CT1 using different frequencies for certain countries Cordless Telephone 2 Cordless Telephone 2nd generation Cordless Telephone 2 Cordless Telephone 2 Plus Cordless Telephone 3 Call Type for Queuing Call Transfer All Camp-On Tone Allowed Common Temporary Address Cordless Telephone Adapter Cordless Telephone Apparatus Cordless Terminal Adaptor Customer Technical Advisory Council Correlation Tag Cipher Text Auto Key Ciphertext Auto Key Call Transfer of All Calls Call Transfer Attendant Only Common Temporary Address Pointer Customer Technical Assistance and Cable Termination Box Cable Transition Board Central Bus Cipher Type Byte Composite Triple Beat Call Type Code Columbus Technology Center Continue To Correct Cursor Tab Control Continue To Count Indicator Chrominance Time Compressed Multiplexing (VTR) Communication and Transmission Control Program (OSI/SNA) Continous Tone Controlled Squelch System (Sub-Audio Signal) Continuous Tone-Controlled Squelch System Call Topology Display Camp-On Tone Denied Carrier Toll Denied Cell Transfer Delay Charge Transfer Device

CTD CTD CTD CTD CTD CTDT CTE CTE CTE CTE CTE CTE CTE CTE CTF CTFJ CTFRS CTFRSAM CTFT CTG CTI CTI CTI CTI CTI CTI CTI CTIA CTIG CTINC CTIO CTIOIG CTIP

Continuity Tone Detector Cumulative Transit Delay Cumulative Trauma Disorder Cut-Through Delay Cut-Through Dialing Code or Toll Diversion Treatment Cable Terminating Equipment Carrier Timing Entry Channel Translating Equipment Circuit Terminating Equipment Coefficient of Thermal Expansion Computer Telephony Engine Customer Terminating Equipment ISDN Class II Equipment Circuit Free message Computer Telephony Forum of Japan Call Transfer, Fully Restricted Call Transfer, Fully Restricted for Analog Member of EKTS C-Thin-Film Transistor Capacitance Tip to Ground Call Transfer Individual Call Treatment Indicator Centralized Ticket Investigation Colour Transient Improvement (Video) Compania de Telefonos del Interior Compile Time Instrumentation Computer-Telephony Integration (ECMA) Cellular Telecommunications Industry Association Call Transfer Inside Group Call Transfer of Incoming Calls Call Transfer Incoming Only Call Transfer Incoming Only Inside Group committee on Computing, Telecommunications and Information Policie

CTL CTL CTM CTM CTM CTM CTM CTM CTMB CTME CTMF CTMS CTN CTN CTNP CTO CTO CTO CTO CTOG CTOG ctor CTOS CTOS CTOUT CTP

Communication Test Line Computing Technology Laboratory Cell Transfer Mode Communication Terminal Module Conference Trunk Module Coordinate Transformation Matrix Cordless Terminal Mobility Current Transformation Matrix Cell Transfer Matrix Bus Cabinetized Trunk Module Equipment Conformance Testing Methodology and Framework Carrier Transmission Maintenance System Cordless Telecommunication(s) Network Corporate Telecommunication Networks Changed to Non-Published Number Chief Technical Officer Corporate Telecommunications Operation Cut-Off MDII: Timeout Waiting for Continuity Check Signal Call Toggle Call Transfer Outside Group Constructor Convergence-Technologies (Inc.) Operating System Convergent Technologies Operating System Call Transfer of Outgoing Calls Cache Tag Port

s

CTP CTP CTP CTP0 CTP1 CTP2 CTP3 CTQ CTR CTR CTR CTR CTR CTR CTR CTR CTR CTR CTR CTR CTR CTRA CTRD CTRL CTRT CTRU CTS CTS CTS CTS CTS CTS CTS CTS CTS CTS CTS CTS CTS CTS CTS2 XMHS CTSAP CTSL CTSS CTSS CTT CTT CTT CTT CTTC CTTE CTTH CTTL CTTLAM CTTU CTTU CTU CTU CTU CTU

Condensed Timing Plan Configuration Testing Protocol (Ethernet/loopback testing) Connection Termination Point Cache Tag Port 0 Cache Tag Port 1 Cache Tag Port 2 Cache Tag Port 3 Call Transfer Queue Call Progress Tone Receiver Call Tone Receiver Call Transfer Capacitance Tip to Ring Columbia University Common Technical Regulation (ACTE) Conformance Test Report Count CounTeR Counter Current Transfer Ratio Customer Trouble Report Response to continue To Correct Call Transfer Code or Toll, Restriction or Diversion Control Code or Toll Restriction Treatment CAMA TOPS Recording Unit Cable Terminal Section Cable Turning Section Call Throttling Services Call-Through Simulator Carpal-Tunnel Syndrome Carrier Transmit switch Channel Time Slot Clear To Send (signal) Communication(s) Technology Satellite Compatible Time Sharing (IBM) Computer TypeSetting Conformance Test Service(s) Conformance Testing Service(s) (programme) Cordless Telephone Services EXtended MHS CTS Call Transfer Software Application Package Core Test Services Layer Compatible Time Sharing System Computerized Tandem System Switch Cable Trouble Ticket Cellular Terminal Testing Code TransparentTtransmission Computed Transmission Tomography Coax To The Curb Common TDMA Terminal Equipment Coax To The Home Call Transfer to Tie Lines Call Transfer to Tie Lines for Analog Member of EKTS Central Trunk Test Unit Centralized Trunk Test Unit Cabin Telecommunications Unit Cable Termination Unit Caribbean Telecommunication Union Cartridge Tape Unit

CTU CTU CTUP CTV CTW CTX CTXCO CTXCU CU CU CU CU CU CU CU CU CU CUA CUB CUC CUCCA CUD CUE CUE CUF CUF CUG CUG CUG/OA CUGFORM CUGIci CUGIDX CUGNID CUGSELTYP CUI CUI CUIF CUJ CUJ CUL CUP CUP CUP CUPS CUR CURACF CUS CUSD CUSF CUSP CUSTCTL CUSTID CUT CUT CUT CUT CUTTD CUU CV CV

Central Termination Unit Customer Terminal Unit Chinese TUP Colour TeleVision Call Transfer Warning Tone Centrex Centrex Central Office Centrex Customer Central Unit Channel Unit Control Unit Cooling Unit Cornell University Customer Customer Use ISO country code for Republic of Cuba See you Common Access (SAA-IBM) Cursor Backward Charge Unit Count Columbia University Center for Computing Activities Cursor Down Character-Terminal Environment Corporate UNIX Environment Channel Utlization Factor Cursor Forward Clean-Up Group Closed Group (supplementary service) Closed Group with Outgoing Access CUG Format CUG Interlock Code Indicator Closed Group Index CUG Network Identifier Closed Group Selection Type Character Interface Character-Oriented Interface Control Unit Interface The C 's Journal The C/C++ 's Journal See you later Call Procedure Credit Update Protocol Cursor Position Customer Unspecified Private Services Cursor Resource file Call-Unrelated Radio Access Control Function Customer Signoff Call Forward Usage Sensitive Denial Call-Unrelated Service Function Call-Unrelated Service Point Customer Controlled Customer Identification Circuit Under Test Class Under Test Control Unit Terminal (IBM) Cutoff Cut Through Dialing Cursor Up CallVer Code Violations

CV CV CV CV CVBS CVBS CVC CV-CRC CVD CVD CVD CVD CVDSM CVF CVG CVG-PDU CVH CVI CVIS CVL CVM CVN CVNM CVP CVR CVR CVRAM CVRT CVS CVS CVS CVSD CVSD CVSDM CVSL CVT CVT CVT CVT CVW CW CW CW CW CW CW CW CW/F CWA CWA CWAI CWAN CWAS CWB CWC CWC CWCA CWCAM CWCGO CWCIO

Coding Violation Connection View Curriculum Vitae ISO country code for Republic of Cape Verde Composite Video, Blanking and Synchronisation signal Composite Video, Burst, and Sync Compact Video Coded Coding Violations CRC Chemical Vapor Deposition CodeView Debugger Compact Video Disk Coordinated Voice and Data Continuously Variable Slope Delta Modulation Compressed Volume File Convergence Convergence PDU Clocked Violation HI CVT Request Message Conversant Voice Information System Clocked Violation LO Circuit Validation Test message MDII: Vacant National Number (VNN) Signal Received Customer Virtual Network Management Content Vectoring Protocol Circuit Validation Response message CVT Response Message Cached VRAM Connection View Round-Trip Time Central Video Server Connection View State Current Virtual Address Space Continuous Variable Slope Detection Continuously Variable Slope Delta (coder) Continuously Variable Slope Delta Modulation Cascade Voltage Switch Logic Circuit Validation Test Circuit Validation Test message Constant-Voltage Transformer Cursor Vertical Tab Codeview for Windows Call Waiting (supplementary service) Clockwise CommunicationsWeek (periodical) Contention Window Continuous Wave Control Word Create Window Call Waiting/Forwarding Call Waiting Allowed Communication Workers of America Clear and WAit for Interrupt Corporate WAN (ATT) Call Waiting Auto-Suppression Call Waiting Billing Records Cable and Wireless Communications Call Waiting Cancel Call Waiting Call Appearance for Analog Member of EKTS Call Waiting Cancel for Analog Member of EKTS Call Waiting Cancel Intragroup Only Call Waiting Cancel Incoming Only

CWD CWD CWD CWD CWDL CWDLACC CWDLAM CWHA CWI CWI CWI CWI CWIO CWIS CWND CWO CWOA CWOAM CWP CWP CWP CWQ1 CWQ2 CWQ3 CWR CWR CWR CWRI CWRT CWRU CWS CWS1 CWT CWT CWT CWTAM CWTGO CWTIO CWX CX CX CX CX CX cx CX CX CXC CxC CXE CXR CXR CXR cxx CY CY cy CY CY CYL

Call Waiting Deluxe Call Waiting Denied Current Working Directory Dial Call Waiting Call Waiting Dial Call Waiting Dial Access Code Call Waiting Dial for Analog Member of EKTS Call Completion With Announcement Call Waiting Indication Call Waiting Indicator Call Waiting, Intragroup Change Window Indicator Call Waiting Incoming Only Campus-Wide Information System Congestion Window Call Waiting Originating Call Completion Without Announcement Call Waiting Origination for Analog Member of EKTS Communicating Word Processor Costed Work Programme (ETSI) Current Working Point Call Waiting Queue Interval 1 Call Waiting Queue Interval 2 Call Waiting Queue Interval 3 Call Waiting Reports Call Waiting Ringback Change with Referral to New Number Change Window Reply Indicator Call Waiting Reports Terminal(s) Case Western Reserve University Combined World Switch Combined World Switch One Call Waiting Call Waiting Termination Call Waiting Tone Call Waiting Termination for Analog Member of EKTS Call Waiting Intra-Group Only Call Waiting Incoming Only Call Waiting Exempt Co-eXistence standard Coinbox Compatible eXpansion Composite Composite Signaling Count for x length (short) Count ISO country code for Christmas Island Call-by-Call Call-by-Call Containment and Cross Reference Engine Call Transfer Call Transfer Recall Carrier C++ File Calendar Year CapacitY Count for y length (short) CYcle ISO country code for Republic of Cyprus Cylinder

CYMK CYTA CZ

Cyan, Yellow, Magenta, and Black Cyprus Telecommunications Agency ISO country code for Czech Republic

back to top|0-9|A|B|C - D E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z D D d D D D D D D D D D D D channel D&OS D&OS D/A D/A D/C D/D D/L D/U D+R D1 D1 D2 D2048U D3D D64U DA DA da DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA

Data Data channel deci (10-1) Decimal Deficiency Delivery confirmation bit Delta channel Deprecated Detailed Diagonal (link) Disconnect Dispersion Distance Signalling channel (in CT2) Deployment and Operations Directory and Operator Services Digital/Analogue Digital-to-Analog Down Converter Digital to Digital Delay Unit Drop and Repeat node Directory One Number of -Assigned Call Control TEI Values Number of Switch-Assigned Call Control TEI Values 2048 kbit/s Digital Unstructured ONP leased line Direct 3D 64 kbit/s Digital Unstructured Data Acquisition Data Available deca (10+1) Delayed Activation Demand Assignment Design Accepted Destination Address Destination Allocation Development Agreement Device Attributes Digit Absorbing Digital Access Digital Announcer Direct Access Direct Attribute Directory Agent Directory Assistance Discretionary Assurance Distinctive Alerting Distributed Access Distribution Area Doesn't Answer

DA DA DA D-A DA/CWI DAA DAA DAA DAA DAAR DAB DABCE DABE DABG DABG DABM DABR DAC DAC DAC DAC DAC DAC DAC DACC DACCS dacd DACD DACE DACIA DACL DACRM DACS DACS DACWAC DACWNL DAD DAD DAD DAD DAD DAdC D DADS DADS DAE DAE DAEDR DAEDT DAF DAF DAF DAF DAF DAF DAFT DAG DAG DAG DAHR

Double Armor Double Armored Draft Addendum Digital to Analog Distinctive Alerting/Call Waiting Indication Data Access Arrangement Data Access Arrangement (Bell) Data/digital Access Arrangement Directory Assistance Automation Dynamic Automatic Alternative Routing Digital Audio Broadcasting Deactivation of Automatic Bridging Call Exclusion Deny All But Emergency Distinctive Alerting Call Waiting Business Group Distinctive Alerting for BBG Dual Access Buffer Memory Data Address Breakpoint Data Access Card Datafield Access Conditions Demand Assignment Circuit establishment Digital to Analog Converter Directory Access Command Discretionary Access Control Dual Attach Station Concentrator Directory Assistance Call Completion Digital Access Cross-Connect System Dial Carrier Access Code Directory Access Control Domain Data istration Center Equipment Dual Asynchronous Communication Interface Adaptor Discretionary Access-Control List Data Communication Recovery Manager Digital Access and Cross-Connect System (AT&T) Digital Access Crossconnect System DARCW Active/Inactive Status Distinctive Alerting/Call Waiting Number List Datapac Adviser (Telecom Canada) Demand Assignment circuit Disestablishment Desktop Application Director Destination Address Display Draft Addendum Divert AdC Dial istration Delayed Call Database istration Directory Assistance Database Service Data Access Evolution Digital Audio Extraction Delimitation, Alignment, Error Detection (Receiving) Delimitation, Alignment, Error Detection (Transmitting) Destination Address Field Digital Audio File (digital audio tape) Directory Access Function Distributed Applications Framework Distributed Architecture Framework DQDB Access Functions Distributor Architecture Focus Team Data Address Generator Datenanschaltegerat (Data Connection Unit) Directed Acyclic Graph Data Address Hold

DAI DAI DAI DAI DAI DA-I DAIS DAIS DAIS DAIS DAL DAL DAL DAL DAL DAL DAL DAL DALAC DALACC DALB DALBACC DALCOD DALLE DALLEACC DALLEBACC DALNL DALNLS DALRC DALRCAM DALT DAM DAM DAM DAM DAM DAMA DAML DAMPS D-AMPS D-AMPS DA-MSP DAN DAN DANI DAO DAO DAO DAP DAP DAP DAP DAP DAP DAP DAPI DAPR DAPSK DAQ DAR

Data Abstraction Interface Data Accumulation Interval Deny All International Digital Audio Interface DPMS/Application System Interface ISDN Distinctive Alerting Indication Data Access Interface Session Defense Automatic Integrated Switching System Direct Access Intercept System Distributed Application Integration System Dallas Data Access Language Data Access Line Database istration Language Dedicated Access Line Direct Access Line Direct Access Link Distinctive Alerting Distinctive Alerting Active/Inactive Status Distinctive Alerting Access Codes Distinctive Alerting Billing Records Sistinctive Alerting Business Group Access Codes DAta Line COncentrator/Deconcentrator Distinctive Alerting List Editing Distinctive Alerting List Editing Access Code Distinctive Alerting Business Group List Editing Access Code Distinctive Alerting Number List Distinctive Alerting Number List Size Distinctive Alerting Restricted Control Distinctive Alerting Restricted Control for Analog Member of EKTS Distinctive Alerting Toggle DECT Authentication Module DECT Authentication Module Device Adapter Manager Diagnostic Acceptability Measure Draft Amendment Demand Assignment Multiple Access Digital Added Main Line Digital Advanced Mobile Phone System Digital Advanced Mobile Phone System Digital AMPS Distributed Access MSP Desk Area Network Destination Address Number Direct Automatic Number Identification Data Access Objects Database Access Object Digits-as-Outpulsed Data Access Protocol Destination Access Point Digital Access Point Directory Access Protocol (X.500, DUA-DSA) Dispatch Application Processor Display istration Process Distributed Array Processor Destination Access Point Identifier Destination Address Pointer Differential Amplitude Phase-Shift Keying Define Area Qualification Daily Activity Report

DAR DAR DAR DAR DAR DAR DARC DARC DARCW DARE DARPA DARPA DARS DART DART DART DART DART DARTS DAS DAS DAS DAS DAs DAS DAS DAS DAS DAS DAS DAS DAS DAS DAS DAS/CCI DASA DASD DASD DASE DASH DASH DASIM DASK DASK DASK DASL DASM DASP DASS DASS DASS DASS DASS2 DAT DAT DAT DAT DAT DAT DAT

Data Address Defense Acquisition Regulations Digital Audio Radio Direct- and Alternate-Routed Directional Alternate Routing Dynamic Alternative Routing Data Radio Channel (Japan) Deutscher Amateur Radio Club (D) Distinctive Alerting/Ringing Call Waiting Data Analysis and Representation Engine Defense Advance Research Projects Agency (USA) Defense Advanced Research Projects Agency Digital Audio Radio Service Data Access and Reporting Tool Debugger for Remote Target Debugging, Analysis, and Run-time Tools Direct Audio RouTines Dump and Restore Table Design Approach for Real-Time Systems Data Acquisition System Data Auxiliary Set Decimal Adjust after Subtraction (80x86 inst) Demonstrator Access System Dienstanschluss (Service Terminal) Digit Analysis Selector Digital Alarm Scanner Direct Analogue Synthesis (signal generator) Directory Assistance Services Directory Assistance Simulator Directory Assistance System Dual Attach Station Dual Attachment Station (FDDI) Dual-Attachment Station Dynamic Allocation Scheme CCI Directory Assistance System Daimler-Benz Aerospace AG Direct Access Storage Device Direct Access Storage Device (SNA) Daily Aggregate Service Events Description of Architecture and Services Harmonisation (ETSI) Direct Access Storage Handler Directory Assistance Simulator Digital implementation for Amplitude-Shift Keying Display Agents Status Key Display Agents Summary Key Digital Adaptor for Subscriber Line Direct Access Storage Media Drive Active/Slave Present Demand Assignment Signalling and Switching Digital Access Signalling System Direct Access Secondary Storage Distributed Authentication Security Service Digital Access Signalling System Number 2 Data Data File Dedicated Access Trunk Delay Alerting Timer Digital Audio Tape DQDB Access Termination Duplicate Address Test

DAT DATAM DATAS DATE DATEL DATV DATV DAU DAV DAV DAV DAV DAVC DAVIC DAVID DAVLC DB DB DB DB dB DB DB dB(775mV) dB/Rm DB2 DBA DBA dBA dBA DBA DBAM DBAS DBAT dBc DBC DBC DBC DBC DBCES DB DBCS DBCS DBD DBD DBDL DBE DBEF DBF DBH DBI dBi DBIC DBIF DBIMOS DBIN DBIR DBIT D-bit DBK

Dynamic Address Translation Document Architecture Transfer And Manipulation DMS ing and Traffic Analysis System Dedicated Access to X.25 Transport Extension (OSI/SNA) DAta TELecommunication-DAta TELegraph-DAta TELephone Digital Assistance for TV Digitally Assisted TeleVision Data Arithmetic Unit Data Above Voice Data Above Voice DAta Valid (IEEE-488 Bus Signal) Date of AVailability Delayed Automatic Volume Control Digital Audio-VIsual Council Data Above Video Data Above Voice Line Card Data Base Data Block Database Daughter Board Decibel(s) Device Buffer Dummy Burst deciBel relative to 775 mV deciBel per kilometer Database 2 Data Base /-tion Database deciBel (Audio, Weighting Curve A) Decibels of acoustical loudness, A-weighted Dynamic Bandwidth Allocation Data Base Access Method Database istration System Data BAT dB relative to the carrier power Default Bearer Capability Downbanded Cellular Dummy Bearer Control Dynamic Beam Control (Video Camera Tubes) Dynamic Bandwidth Circuit Emulation Service Database Control Point Database Control System Double-Byte Character Set Database Desktop Disk Block Descriptor Data Base Description Language Double-Buffering Extension Dual Brightness Enhancement Film Digital Beamformer Direct Broadcasting to Home Data Base Index deciBel relative to an isotropic radiator Data Enhanced Bus Interface Card Data Buffer Interface DMOS/BIMOS Data Bus In Directed Beam Infrared D Bit Delivery Confirmation bit Dialback

DBL DBL DBL DBM DBM dbm dBm DBM DBM dBm0 dBm0p DBMC dBmp DBMS DBN DBNE DBNN DBO DBOC DBOR dBov DBP DBP DBP DBPM DBPT dBr DBR dBr dBrN dBrnC dBrnC0 he 0 TLP DBS DBS DBS DBS DBS DBS DBS DBS-PC DBT DBTR dBu DBU dBV DB-VSB dBW DBX DC DC DC DC DC DC DC DC DC DC DC

Database Language Detailed Billing Double Connection Data Base Manager Database Management dB relative to 1 milliwatt Decibels relative to 1 milliwatt Dial Backup Module Double Balanced Mixer Decibels relative to 1 milliwatt at the 0 TLP deciBel relative to Origin Psophometrically weighted Database Management Center deciBel relative to 1 milliwatt psophometrically weighted Database Management System Dial by Name Test Not Equal, Decrement, and Branch (680x0 inst) Delete Bridged Night Number Drop Build-Out Drop Build-Out Capacitance Drop Build-Out Resistance dB below overload point Database Processor Deutsche Bundespost Deutsche BundesPoste (D, obsolete) Differential BiPhase Modulation Deutsche Bundespost Telekom deciBel, relative level Deterministic Bit Rate Relative Decibels deciBel with reference to Noise Decibels above reference noise level with C-message weighting Decibels above reference noise level with C-message weighting at t Data Base System Data Bridging Service Database Server Direct Broadcast from Satellite Direct Broadcast(ing) by Satellite Direct Broadcast(ing) Satellite Duplex Bus Selector Direct Broadcast Satellite PC Deutsche Bundespost Telekom Digital Bit Timing Recovery Decibels relative to 1 microwatt Dynamic Bandwidth Utilization deciBel relative to one Volt ( 0 dBV = 1 V ) Dual-Binary Vestigial Sideband deciBel relative to one Watt ( 0 dBW = 1 W ) Digital Branch eXchange (PBX) Data Cartridge Data Center Data Cncentrator Data Communication Data Communications (periodical) Data Conversion DDOC Completed Define Constant Delayed Call Design Close Design Complete

DC DC DC DC DC DC DC DC DC DC DC DC DC DC DC DC DC DC DC DC1 DC2 DC3 DC4 DC-600 DCA DCA DCA DCA DCA DCA DCA DCA DCA DCA DCA DCA DCA DCA DCA DCAF DCAP DCAP DCB DCB DCB DCB DCB DCBI DCBX DCC DCC DCC DCC DCC DCC DCC DCC DCC DCC DCC

Destination Category Destination Class Device Context Device Control Device Controller Device Coordinates Diagnostic Controller Digit Collection Direct Call Direct Current Directional Coupler Disconnect Confirm Disk Change Display Controller Distribution Center DRU Component Dry Circuit Physical D-Channel U.S. postal code for District of Columbia Device Control 1 Device Control 2 Device Control 3 Device Control 4 Data Cartridge 600 Austrian DCM Defence Communication Agency (DoD) Design Change Authorization Destination Connection Agent Digit Collection Allocate Digital Communications Architecture Digital Communications Associates Direct Customer Access Distributed Communications Architecture (Univac) Distributed Computing Architecture Document Communications Architecture (SNA. TOP) Document Content Architecture (LU6.2/DISOSS/TOP) Dynamic Channel Allocation Dynamic Channel Assignment Dynamic Context Addressing Distributed Console Access Facility Data Communications Application Display Capability Data Cache Block Data Control Block D-Channel Backup Device Control Block Digital Channel Bank Directed Call Pick-Up with Barge-In Directed Call Pick-Up Barge-In Exempt Data Carrier Detect (Modem Signal) Data Communications Channel Data Communications Circuit Data Country Code (OSI-NL) D-Channel Controller Destination Code Cancel Device Cluster Controller (Networks) Device Color Characterization Differential Chain Code Digit Collection Digital Color Code

DCC DCC DCC DCC DCC DCC DCC DCC DCC DCCA DCCC DCCE DCCH DCCH DCCS DCCT DCD DCD DCD DCDN DCE DCE DCE DCE DCE DCE DCE DCE DCF DCF DCF DCF DCF DCF DCF DCF DCF DCF DCF DCG DCH DCH DCHI DCHL DCI DCI DCI DCI DCI DCI DCIC DCIL DCIS DCIU DCIU DCK DCK DCL DCL DCL

Digital Compact Cassette Digital Control Channel Digital Country Code Digital Cross-Connect Digroup Control Card Digroup Controller Card Direct Cable Connection Distributed Call Center Flexible Calling Deactivate Conference Facility Distributed Control Channel Allocation Double Current Cable Code Digital Cellular Common Equipment Dedicated Control CHannel Digital Control Channel Distributed Capability Computing System Direct Current-Current Transformer Data Carrier Detect (signal) Design Change Document Dialed Category Digit Direct Call Directory Number Data Circuit-Terminating Equipment Data Communications Equipment Design Cost Estimation Digit Collection Error Digital Carrier Equipment Dispatcher Control Entry Distributed Computing Environment (OSF) Drum Cable Engine Data Communication Function Data Conversion Facility Data Count Field DC Fuse Denied Call Forward Denied Call Forwarding Disengage Confirm Disengage Confirmation Dispersion-Compensating Fiber Distributed Coordination Function Document Composition Facility Dispersion Compensating Grating D-Channel Handler Delete Character(s) D-Channel Handler Interface D Channel Data Communication Interface Delivery of Complementary Information Digit Collection Instruction Digital Carrier Interface Display Control Interface Dynamic Control Interface Disallowed Card Issuer Code Design Compatible Issue Lineup Direct Common-Channel Interoffice Signaling Data Channel Interface Unit Data Communication Interface Unit A Derived Cipher Key Derived Cipher Key Declaration Delayed Call Limit Digital Command Language

DCLCAD Direct Call Logical Channels Assigned to D-Channel DCLCANUPB Direct Call Logical Channels On Nailed-Up B-Channels DCLCAODB Direct Call Logical Channels On On-Demand B-Channels DCLID Dialable Calling Line Identification DCLU Digital Carrier Line Unit DCM Data Collection Management DCM Dial-Code Management DCM Digital Carrier Module DCM Digital Controller Module DCM Dispersion Compensation Module DCM Dynamic Connection Management DCM-B Digital Carrier Module-Basic DCMD Data MMU/Cache Command DCME Data Circuit Multiplication Equipment DCME Digital Circuit Multiplexing Equipment DCME Digital Circuit Multiplication Equipment DCMG DCME Gain DCMPAC Digital Carrier Module Pretest and Cutover DCMPMC D-Channel Message Performance Monitoring and Control DCM-R Digital Carrier Module-Remote DCMS Digital Circuit Multiplication System DCN Data Communication(s) Network DCN Design Change Notification DCN DisCoNnect DCND DTMP Calling Number Delivery DCO Data Central Office DCO Demand Continuity Outgoing DCO Dial Central Office DCO Digital Central Office DCO-EPN Data Central Office-End Point Number DCOFF Designated Control Office DCOM Distributed Component Object Model DCOMIS Dial Central Office Management Information System DCOP Digit Collection and Outpulsing DCOSW Electronic Switching: Digital Central Office Systems of the World ; Amos E. Joel Jr.; IEEE Press, 1982 DCOT Digit Collection and Outpulsing Team DCOT Digital Central Office Terminal D Data Communications Processor D D-Channel Processor D Device Control Protocol D Digital Communications Protocol D Direct Connect Partner D Directed Call Pickup D Distributed Collaborative Planning D Drop and Continue on Protection DA Distributed Call Processing Architecture DBH Double Channel Planar Buried Heterostructure (laser diode) DK Directed Call Park DL DCT Programming Language DN Domestic Customer Premises Network DSK Differential Coherent Phase Shift Keying DT Data Communication Between Different Protocol Terminals DU Directed Call Pickup DU Directed Call Pick-Up Non-Barge-In DU/BI Directed Call Pick-Up with Barge-In DX Directed Call Pickup Exempt DCR Data Conversion Receiver DCR DC Voltage On Ring DCR Degradation Category Rating

DCR DCR DCR DCR DCR DCR DCR DCR DCR DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS DCS 1800 DCS1800 DCS1900 DCSC DCSM DCT DCT DCT DCT DCT DCT DCT DCT DCT DCT DCT DCT DCTB DCTL DCTL DCTL DCTN DCTS DCTS DCT-S DCTU DCU DCU DCU

Design-Change Recommendation Destination Call Routing Destination Control Request signal Digit Collection Resource Directory Charge Recording Dummy Call Reference Dynamic Conformance Requirement Dynamic Context Reference Dynamically Controlled Routing Data Collection System Data Communication Subsystem Data Communications Synchronization Defense Communications System Defined Context Set Defined Context Set (OSI-PL) Desktop Color Separation Device Control String Digital Cellular Switch Digital Cellular System Digital Channel System Digital Clock Source Digital Command Signal Digital Communications System Digital Control System Digital Crossconnect System Digitally Coded Squelch Distributed Communication System Distributed Control System Document Control Standard Dynamic Channel Selection Dynamic Configuration Select Digital Cellular System working at 1800 MHz Digital Communications System- 1800 MHz Digital Communications System- 1900 MHz Data Customer Center Digital Cell Site Monitor Data Call Tester Data Capture Tool DC Voltage On Tip Digit Collection Apply Tone Digital Call Tester Digital Carrier Trunk Digital Communications Test System Digital Cordless Telephone Digital Cross-Connect Trunk Discrete Cosine Transform (compression alg./CCITT) Dispatcher Control Table Display Compression Technology Disconnected, Call Being Taken By Data MMU/Cache Control Direct Coupled Transistor Logic Direct-Coupled Transistor Logic Defense Commercial Telecommunications Network Destination Code Traffic Summary Digital Cellular Time Switch Digital Communications Test System-SPARCstation Directly Connected Test Unit Data Control Unit Data-Cache Unit Digit Collection Utility

DCU DCU DCUG DCW DCW DCW DCW DCW DCW DD DD DD DD DD DD DD DD DD DD dd DD DD DD DD DD DD DD DD Dd DD DD DDA DDA DDA DDA DDA DDB DDB DDB DDB DDBI DDBM(S) DDC DDC DDC DDC DDC DDC DDC DDC DDC1 DDC2B DDCA DDCE DDCF DDCMP DDCMP DDCS DDD DDD

Dispersion Compaction Unit Drum Control Unit DMS Centrex s Group Data Code Word Detailed Call Walkthrough Detailed Call Walkthru Dial Call Waiting Display Call Waiting Drop and Continue on Working Data Definition Data Descriptor Data Dictionary Data Distributor DDOC Section: Design Description Deferred Delivery Definition List Description (HTML tag) Delay Dial Detailed Design Diagnostic Driver Didot Digital Data Digital Design (periodical) Digital Display Direct Dial Direct Dialed Direct Dialing Discriminating Digit Double Density Double density Double Dispatching ISO country code for German Democratic Republic (obsolete) Defined Display Area Digital Differential Analyzer Digital Directory Assistance Domain-Defined Attribute DSP Design Association Device-Dependent Bitmap Display Data Block Distributed Data Base Distributed Database DD/Billing-System Interface Distributed Data Base Management (System) Decimating Down Converter Digital Data Channel Digital Data Connectivity Digital Downconversion Direct Digital Control Disk Drive Controller Display Data Channel Distributed Database Coordinator Display Data Channel 1 Display Data Channel 2B Dynamic Distributed Channel Assignment Digital Data Conversion Equipment Distributed Document Component Facility Digital Data Communication Message Protocol (DEC) Digital Data Communications Message Protocol Distributed Database Connection Services Data Display Debugger Digital Diagnostic Disk

DDD DDD DDE DDE DDE DDEML DDES DDF DDF DDF DDF DDFA DDGL DDI DDI DDI DDI DDI DDIE DDIS DDJ DDJST DDK DDK DDL DDL DDL DDL DDL DDL DDLC DDLC DDLC DDM DDM DDM DDM DDM DDM DDM DDM DDM DDMA DDMA DDME DDMS DDN DDN DDN DDN DDN DDN DDNA DDNS DDO DDO DDO DDOC DDOV DDP

Direct Distance Dialling Double-Diffused Drain (FET structure) Direct Data Entry Distributed Debugging Environment Dynamic Data Exchange Dynamic Data Exchange Management Library Direct Data Exchange System Data Deviation File Data Distribution Framework Digital Distribution Frame MDII: No Start Dial- Delay Dial, Steady Off-Hook DTC Device File Access Device Dependent Graphic Layer (TOP) Data Server/DPMS Interface Device Driver Interface Direct Dial In Direct Dialling In (supplementary service) Direct Digital Interface Direct Digital Interface Equipment Data Distributor Dr. Dobb's Journal (periodical) Dr. Dobb's Journal of Software Tools (periodical) Device Driver Kit Driver Development Kit Data Definition Language Data Description Language Derived Data Link Digital Data Link Digital-system Design Language Drive and Directory List Digital Data Line Card Double-Density Linecard Dual Data Link Controller Data Distribution Manager Data Distribution Model Digital Data Multiplexer Direction Division Multiplexing Directional-Division Multiplexing Distributed Data Management Distributed Data Management architecture Distributed Data Manager Distributed Data Model Distributed DMA Dual Direct Memory Access Design Delivery Management Environment DMS Data Management System Data Directory Number Data-Driven Network Defense Data Network (DoD) Destination Directory Number Dialable Directory Number Dialable Number Delivery Destination DNA Dynamic Domain Naming Services Denial Decision Object Direct Dial Overseas Dynamic Data Object Design Document Digital Data Over Voice Data Delivery Protocol

DDP DDP DDP DDR DDR DDR DDS DDS DDS DDS DDS DDS DDS DDS DDS-3 DDSBS DDSN DDT DDT DDT DDT DDT DDU DDU DDU DDU DDV DDX DDX DDX-C DDX-P DE DE DE DE DE DE DE DE DE DE DE DE DE DE DE DE de DE DE DEA DEA DEA DEA DEAF DEB DEC DEC DEC DEC

Datagram Delivery Protocol Digital Data Processor Distributed Data Processing Digital Data Receiver Digital Distribution Rack Double Data Rate Dataphone Digital Service (ISDN) Digital Data Service Digital Data Storage Digital Data System Digital Display Scope Direct Digital Synthesis (signal generator) DMS Debug System DMS Debugging System Digital Data Storage-3 Duplex Dual-Serial Bus Selector Digital Derived Services Network Default Distribution Tree Delayed Dialing Tone Detailed Design Team Digital Data Transmitter Dynamic Debugging Tool Dialogue Data Unit Digital Data Unit Disk Drive Unit Diskette Drive Unit Dialog Data Validation Dialog Data Exchange Digital Data Exchange Digital Data Exchange Circuit-switched Digital Data Exchange Packet-switched Data Element Data Element (FTAM) Data Entry Data-Execution Decision Element Design Estimate Designated Entity Destination Exchange Development Estimate Discard Eligibility Discard Eligible Display Element Display Enable Display Equipment Domestic Environment Draft European telecommunication standard (ETSI) Internet country code for ISO country code for U.S. postal code for Delaware Data Encryption Algorithm Data Encryption Algorithm (DoD) Deactivation Delete Authcode Default Error Action Flag Demand-Established B-Channel Decimal DEClination DECrement Decrementer

DEC DEC DECCO DECNET DESK DECT DECT DECT DECUS DED DEE DEE DEF DEF DEF DEFOML DEG deg DEK DEK DEKITZ tifizierung DEL DEL DEL DEL DEL DELCF DELPH DELTA DEM DEMKO DEMO DEMOD DEMS DEMUX DEMUX DEN DEO DEO DEO DEPIC DEQPSK DER DER DES DES DES DES des DES DES DES DES DESA DESC DESC DESC DESC DESC

Digital Equipment Corporation (now Digital) Digital Exchange Controller Defense Commercial Communications Office Digital Equipment Corporation Network Differentially Encoded Coherent Phase Shift Keying Digital Enhanced Cordless Telecommunications Digital European Cordless Telecommunications Digital European Cordless Telephone Digital Equipment Computer s Society Distant End Disconnect Data Encryption Equipment Datenendeinrichtung (Data Terminal Equipment) Definition Destination Element Field Module Definition File Default Overload Messaging Limit Datenendgerat (Data Terminal) Degrees Dansk Elektroteknisk Komite (DEN) Data-Encrypting Key Deutsche Ko-ordinierung fur IT-Normen konformitatsprufung und Zer Decode Encode Language Delete Delete line from hunt group Deloaded Direct Exchange Line Delete Casual Feature Delete Packet Handler Options Development of European Learning through Technological Advance Digital Elevation Model Denmarks Elektriske MaterielKOntrol (DK) Demonstration DEMODulator Digital Electronic Messaging Service Demultiplexer DEMUltipleXer Directory Enabled Networks Delete Option(s) Delete Order Digital End Office Dual Expanded Plastic Insulated Conductor Differentially-Encoded Quadrature Phase Shift Keying Data Exception Report Distinguished Encoding Rules Data Encryption Standard (IBM) Destination End Station Destination End System Diagnostic Error Signaling Diagnostic Error Signaling Digital Echo Suppressor Digital Encryption Standard Discrete Event Simulation Distributed End System Dual Emergency Stand-Alone Defense Electronic Supply Center Defense Electronic Supply Center (United States Military) Descriptor Design Environment Steering Committee Development Environment Standards Committee

DESC DESCBC DESE DESECB DESEP DESS DEST DET DET DET DET DEV DEV DEVCO DEW DF DF DF DF DF DF DF DF DF DF DF DFA DFA DFA DFAD DFARS DFB DFB DFC DFC DFC DFC DFD DFD DFE DFE DFE DFE DFF DFG DFG DFG DFI DFI DFI DFI DFI DFI DFIL DFIR DFK DFLT DFLTSC DFM DFM

Development Environment Steering Committee DES Chain Block Coding DES Encryption Protocol DES Electronic Code Book Destination Separations Class Data Engineering System Destination Design Effectiveness Tools Detach DETach DETector Deviation Device ISO council DEVelopment COmmittee Distant Early Warning system (US/Canada Military Radar System) Data Fanout Data Field Design File Design Finished Diagnostic Fault Digital Filter Direction Finding Direction Flag Distributing Frame Distribution Function Don't Fragment flag Dedicated File Area (Multijob) Deterministic Finite Automaton DXI Frame Address Dual Facility Access Digroup Defense Federal Acquisition Regulations Distributed Distributed (laser diode) Data Flow Control Design for Characterization Destination Function Code Disk File Controller Data Flow Diagram Displaced Frame Difference Decision Equalization Decision Equalizer Design for Environment Direct Forward Equalizer Data Flow Function Data Flow Graph Deutsche Forschungsgemeinschaft Difference Frequency Generation Design For Installability Digital Facility Interface Digital Fiber Interface Direct Fiber Interface Domain-Specific Format Identifier Domain-Specific Part Format Identifier Data Fill Diffused Infrared Definable Function Key Default Default Source Design for Manufacturability Digital Frequency Modulation

DFMS DFN DFP DFP DFP DFR DFR DFS DFS DFS DFSA DFSE DFSG DFSK DFSM DFSM DFT DFT DFT DFT DFT DFT DFT DFT DFT DFT DFT DFT DFT DFTI DFU DFU DFWMAC DG DG DG DG DGA DGCEL DGCRA DGIII DGN DGNA DGND DGP DGP dGPS DGPT DGR DGT DGT DGT DGT DG-UX DGXIII DH DH DH DH D-H

Digital Facility Management System Defining Instance (HTML tag) Digital Filter Processor Digital Flat Distributed Functional Plane Default Rate Document Filing and Retreival (OSI-AL) Depth-First Search Distributed File Service Distributed File System Deterministic Finite State Automata Decision Sequence Estimator Direct Formed Supergroup Double Frequency Shift Keying Deterministic Finite State Machine Dispersion Flattened Single Mode Demand Flow Technology Design for Test Design for Testability Diagnostic Function Test Digital Facility Terminal Discrete Fourier Transform Discrete Fourier Transformation Display Focus Team Distributed Function Terminal Distributed Functional Terminal Distribution Functional Terminal (IBM) DPNSS Feature Transparency DraFT DMOPRO File Transfer Interface Data File Utility Digital Facilities Unit Distributed Foundation Wireless Media Access Control Data General Datagram Differential Gain Directorate General (CEC) Device Group Actor Digital Cellular Dynamic GCRA Directorate General III (of the CEC) Diagnostic Dynamic Group Number Assignment (TETRA) Digital GrouND Digipulse Dissimilar Gateway Protocol differential GPS General Department of Post and Telecommunications Digroup Digital Graphic Terminal Digitone Direccion General de Telecomunicaciones (E) Directorate General of Telecommunications Data General Unix Directorate General XIII (of the CEC) Data High Half Diffie-Hellman Directed Handoff Double Heterostructure Diffie-Hellman

DHA DHA DHC DHCF DH DH DHI DHN DHR DHT DHT DHTML dHTML DHUG DI DI Di DI DI DI DI DI DI DI DI DI DI DI DI DI DIA DIA DIA DIAC DIAG DIAG DIAG DIAGN DiagPl DIALAN DIANE DIB DIB DIB DIBL DIBOL DIC DIC DIC DICAN DICE DI DICT DID DID DID DID DID DID DID

Dialogue Handling Direct Hardware Access Dynamic Host Configuration Distributed Host Command Facility (NetView) Domain Host Control Protocol Dynamic Host Configuration Protocol Dual Host Interface Digital Home Network Dynamic Hierarchical Routing Define Huffman Table Diversity Handover Trunk Dynamic HTML Dynamic HTML Dynamic High Usage Group Data In Data Interface Data Inverted Deactivate Indication Decrementer Interrupt Design Inspection Design Interpretive Destination Index Dielectric Insulation Dielectric Isolation Direct Index Disable Interrupt Document Index Draft Interface Draft Interfaces Available Draft Interim European Telecommunication Standard (ETSI) Document Interchange Architecture (IBM) Document Interchange Format (IBM-LU6.2) DSP Interface ASIC DIode-Alternating-Current-switch DIAGnostic element Diagnostic Output System Diagnostics Diagnostics Diagnoseplatz (Diagnosis Station) DMS Integrated Access Local Area Network Direct Information Access Network for Europe Device-Independent Bitmap Directory Information Base (X.5OO) Dual Independent Bus Drain-Induced Barrier Lowering DEC Business Oriented Language Delay Interval Compensation Digital Concentrator Direct InterLATA Connecting Digital Customer Access Network Digital Circuit Emulation Digital Integrated Cellular Peripheral Direct InterLATA Connecting Trunk Data Identifier Data Item Description Design Intent Document Digital Information Display Direct Inward Dial Direct Inward Dialing Directory Identifier

DIDD DIDDNR DIDRTI DIDTC DIEL People (UK) DIF DIF DIF DIF DIF DI-FET DIFS DIG DIG dig DIG3610 DIG4 DIGCOL DIGL DIGS DII DIL DIL DIM DIM DIMA DIMM DIMPS DIN DIN DIN DIN DINA DINA DINE DIO DIO DIO DIO DIOB DIOCES Systems DIOSS DIP DIP DIP DIP DIP DIR DIR DIR DIRM DIRP DIRT DIS DIS DIS DIS DIS

Deny International Direct Dial DID Directory Numbers Range DID Route Index D-Channel Incoming Default Throughput Class Advisory Committee on Telecommunications for Disabled and Elderly Data Interchange Format Differential Backup Catalog File Digital Interface Digital Interface Format Digital Interface Frame Dielectric Isolation Field Effect Transistor Distributed Coordination Function Interframe Space Digit Collection Digits Domain Information Groper 3/6/10 Digit Trigger Digital 4-Wire Trunk Digit Collection Device Independent Graphics Layer (TOP) Device Independent Graphics Service (TOP) Dynamic Invocation Interface Device I/O Library Dual-in-Line Desktop Information Manager DIMension Direct Inward Mobile Access Dual In-Line Memory Module D-Channel Incoming Maximum Packet Size Denied Incoming Deutsche Industrie-Norm/Deutches Institut fuer Normung Deutsche Industry Norm (German Industry Standard) Deutsches Institut für Normung e. V. Direct Inward Network Access Distributed Information-Processing Network Architecture Denied Incoming Exempt Data In/Out (IEEE-488 Bus Signal) Device Input/Output Direct Input/Output Discrete Input/Output Data Input/Output Buffer Distributed Interoperable and Operable Computing Environments and Distributed Office System Data Interchange Protocol Data Interface Process Document Image Processing Dual In-Line Package Dual In-line Package Direction Directory Directory List (HTML tag) Directory Maintenance Device Independent Recording Package Design Inspection Reporting Tool Development Information System Digital Identification Signal Digital Interface System Disconnect Distributed Interactive Simulation

DIS Draft International Standard DIS Driver Information System DIS Dynamic Impedance Stabilization DIS The Disney Channel DISA Defense Information Systems Agency DISA Direct Inward System Access DISC Device for Integrated Surveillance and Control DISC Digital International Switching Center DISC Disconnect DISC Disconnect message DISCD Disconnected DISCTO Disconnect Timeout DISD Discrimination Digit DISH Data Interchange in Shipping DISOSS Distributed Office System DISOSS DIStributed Office System (DCA/IBM) DISP Directory Information Shadowing Protocol DISP Display DISP DISPlay Information Element DISPH Displayphone DISPID Display Identification DISTRING Distinctive Ringing DISTXT Display Text DISU Digital International Switching Unit DIT Depth of Inheritance Tree DIT Digital Input (editing) Terminal DIT Directory Information Tree DITEC DIgital Television EnCoding DIU Data Interface Unit DIU Deutsche ISDN Unit DIU Digital Interface Unit DIU Digital Interworking Unit DIU Document Interchange Unit (IBM-LU6.2) DIV Data-In-Voice DIV Digital Interactive Video DIV Digitale Vermittlungsstelle (Digital Switching Exchange) DIV Digitale Vermittlungstechnik (Digital Switching Technology) (Digit al Exchange) DIV Digitales Vermittlungssystem (Digital Switching System) DIV DIVision DIVA Data Inquiry-Voice Answer DIVA Digital Input-Voice Answerback DIVA Digitale Vermittlungstechnik fuer den Auslandsferndienst (Internat ional Digital Exchange) DIVA Digitale Vermittlungstechnik fur den internationalen Ferndiens (In ternational Digital Exchange) DIVF Digitale Vermittlungstechnik fuer den Ferndienst (Digital Switchin g Technology for Long Distance) DIVF Digitale Vermittlungstechnik fur den nationalen Ferndienst (Tandem Digital Exchange) Divine Digital Video Narrowband Emission DIVO Digitale Ortsvermittlungsstelle (Local Digital Exchange) DIVO Digitale Vermittlungstechnik fur den Ortsdienst (Local Digital Exc hange) DIVO Local Digital Switch DIVOdg Digitale Vermittlungstechnik fur den Ortsdurchgang (Local Tandem E xchange) DIVOT DIgital to VOice Translator Divx Digital Video Express DIX D-Channel Index

DIX DIX DJ DJ DJN/R DK DK DKE DKI DKM DKO DKS DL DL DL DL DL DL DL DL DL DL DL DL DL DL DLDL/I DLA DLA DLA DLANN DLANN2 DLANN3 DLANN4 DLBB DLC DLC DLC DLC DLC DLC DLC DLC DLC DLC DLC DLC DLC DLCB DLCC DLCEI DLCF DLCI DLCI DLCL DLCMI DLD DLD dld

DEC- Intel- Xerox Corp. DEC/Intel/Xerox Double-Jump ISO country code for Republic of Djibouti Dow Jones News/Retrieval Datakit ISO country code for Kingdom of Denmark Deutsche Elektrotechnische Kommission im DIN und VDE (D) Driver-Kernel Interface DV-Strom Kontroll-Modul Delete Key Option Digital Key System Data Link (layer) Data Link Layer Service Data Low Half Decode Level Definition List (HTML tag) Delete Line Dial Level Digital Line Digital Link Discrete Listening (TETRA) Distance Learning Distribution List Network Layer (Layer 3)-Data Link Layer (Layer 2) Interface communication between layer 3 and Data Link layer Data Language No.1 Data Looparound Delayed Acknowledgement Digital Line Extender Delay Announcement Delay Announcement 2 Delay Announcement 3 Delay Announcement 4 Data Layer Building Block Data Line Card Data Link Connection Data Link Connections Data Link Control Data Link Control protocol (ANSI) Data Link Controller Datapath Line Card Digital Channel Digital Line Card Digital Link Control Digital Loop Carrier Dynamic Load Control Signaling-Data-Link-Connection-Order Signal Data Link Control Block Data Link Control Chip Data Link Connection Endpoint Identifier Data Link Control Field Data Link Connection Identifier (ISDN/LAPD) Digital Loop Carrier Interface Data Line CLock (Video VPS) Direct Link Connection Management Interface Data Link Discriminator Display List Driver Dynamic Loader

DLE DLE DLE DLE DLE DLE DLE DLE DLEI DLG DLG DLH DLH DLI DLI DLI DLI DLL DLL DLL DLL DLL DLL DLL DLLCC DLM DLM DLM DLM DLM DLM DLMAP DLMKS DLO DLOG DLP DLP DLP DLP DLP DLP DLPI DLR DLR DLR DLRR DLS DLS DLS DLS DLS DLSAP DLSC DLSDU DLSE DLSO DLSw DLT DLT DLT

Data Latch Enable Data Link Entity Data Link Escape (Character) Data Link Event Digital Local Exchange Digital Loop Electronics Direct Line Equipment Dynamic Lightpath Establishment Data Link Endpoint Identifier Dialog Dialog File Data Link Handler Distributed Line Hunt(ing) Data Link Identifier Data Link Interface Digital Line Interface Dual Link Interface Data Link Layer Data Link Layer (OSI) Delay-Locked Loop Dial Long Line Digital Local Line Dynamic Link Library Dynamically-Linked Library DLL & C Connect Data Line Module Data Link Connection Order Message Data Link Manager Data Link Module Digital Line Module Signaling-Data-Link-Connection-Order Message Data Link Map Data Line Module Key Set Data Line Occupied Disk Logs Data Line Protector Data Link Processor Decode Level Point Dienstleistungsprozesse Digital Light Processing Digital Light Processor Data Link Provider Interface Design Layout Record Design Layout Report Digital Locate Receiver Digital Loop Replacement Radio Data Link Service Data Load Segment Digital Line System Distance Learning Service able Sample Data Link Service Access Point Digital Local Switching Center Data Link Service Data Unit Dial Line Service Evaluation Dial Line Service Observing Data Link Switching Data Linkage Table Delete Digital Line Termination

DLT DLT DLTS DLTS DLTU DLTU DLU DLUR DLUS DLVBLTYP DLVFEAT DLVFEATACC DLVFEATRC DLVFEATRCAM

Digital Linear Tape Digital Loop Transceiver (ISDN) Deep-Level Transient Spectroscopy Direct Line Telephone System Digital Line and Trunk Unit Digital Line Trunk Unit Dialog Unit Dependent Logical Unit Requester Dependent Logical Unit Server Delivery Features Billing Records Type ISDN Delivery Features Toggle ISDN Delivery Features Business Group Access Codes ISDN Delivery Features Restricted Control ISDN Delivery Features Restricted Control for Analog Member of EKT

S DLYOP " Dm " DM DM DM DM DM DM DM Dm DM DM DM DM DM DM DM DM DM DM DM DM DM DM DM DM DM DM DM DM DM DM DMA DMA DMA0 DMA1 DMA2 DMAC DMAI D-MAP DMB DMB DMC DMC

Delayed Outpulsing Control Channel (ISDN terminology applied to mobile service) Data Manager Data Mark Data Memory Data Mode Data Modem Data Modification Data Multiplexer Data-Mobile Channel Degraded Minute(s) Delta Modulation Derived MAC sublayer Design Manager Desirability Measure Desktop Management Deutsche Mark Device Management Device Manager Diagnostic Manager Diagnostic Monitor Dienstmerkmal (Service Feature) Differential Mode Digital Milliwatt Digital Modem Direct Mode (TETRA) Disconnect Mode (HDLC, LAPB) Disconnected Mode Distribution Manager Distribution Manager (NetView-IBM) Domain Model ISO country code for Commonwealth of Dominica Deferred Maintenance Alarm Direct Memory Access Data Memory Address 0 Data Memory Address 1 Data Memory Address 2 Direct Memory Access Controller Direct Memory Access Interface D-field MAP D-Channel Maintenance Busy Disconnect and Make Busy DMS Maintenance Controller Dual Modem Card

DMC DMCL DMCT DMCT DMD DMD DMD DMD DMD DMD DMD0 DMD1 DMD2 DMDD DMDR DME DME DME DME DMERT DMERT DMF DMF DMF DMH DMH DMI DMI DMI DMI DMI DMI DMI DMIS DMIS DML DMM DMM DMMU DMNI/RCR esearch DMO DMO DMO DMODEM DMOPRO DMOPRO DMOS DMOS DMP DMP DMP DMPDU DM-PDU DMR DMR DMR DMRV DMS DMS

Dynamic Memory Controller Device Media Control Language Denied Malicious Call Termination Deny Malicious Call Termination Development Management Document Differential Mode Delay Digital Micromirror Device Digital Micromirror Display Directory Management Domain Dot-Mapped Display Data Memory Data 0 Data Memory Data 1 Data Memory Data 2 Distributed Multiplexing Distributed Demultiplexing DPN Management Data Router Data Modem Extension Direct Memory Execution Distance Measuring Equipment (Avionics) Distributed Management Environment (OSF) Dual Multi-Environment Real Time Duplex Multi-Environment Real Time DAT Management Function Display Management Format Distribution Media Format Data Message Handler Data Message Handling Data Management Interface Data Mode Idle Definition of Management Information Desktop Management Interface (group) Digital Multiplexed Interface Disable Manual Input Distributed Management Interface Dimensional Measuring Interface Specification V.2 (OSI) Directory Management Information System Data Manipulation Language Device Maintenance Manager Digital Multi-Meter Data Memory Management Unit Digital Mobile Communications Network Internode/Radio Center for R Data Modification Data Modification Order(s) Domain Management Organization Digital Modem Data Modification Order Processor Data Modification Orders Process Degradation Mean Opinion Score Diffused Metal Oxide Semiconductor Development Management Process Document Management Procedure Dot Matrix Printer Derived Medium access control Protocol Data Unit Derived MAC Protocol Data Unit Demultiplexing/Mixing/Remultiplexing Digital Microwave Radio Digital Mobile Radio Fifth Nordic Seminar on Digital Mobile Radio Communications Data Management System Defense Message System

DMS DMS DMS DMS DMS ES DMSD DMSE DMSES DMS-MTX DMS-NMS DMS-NSS DMSPH DMS-PH DMSPL DMSRID DMSU DMT DMT DMT DMT0 DMT1 DMT2 DMTF DMTF DMTM DMTS DMU DMV DMW DMXR DMZ DN DN DN DN DN DN DN DN/CT DNA DNA DNA DNA DNA DNA FS DNAPI DNB DNBAM DNBD DNBFC DNC DNC DNC DNC DNC DNC DNC DNCAP DN DNCT

Defense Messaging System Digital Multiplex System Document Management System Domain Management System (Siemens) DMS Expert System Digital Multistandard Coding DMS Evolution DMS Expert System DMS Mobile Telephone Exchange DMS Network Management System DMS-Network Services System DMS-100 Packet Handler DMS Packet Handler DMS Product Library Default MSRID Digital Main Switching Unit Digital Multiplex Terminal Discrete Multitone Dynamic Matrix Testing Data Memory Transaction 0 Data Memory Transaction 1 Data Memory Transaction 2 Desktop Management Task Force Desktop Management Task Force Data Management and Transmission Module Distinguished Member of Technical Staff Data Memory Unit Dynamically Managed Voice Digital Milliwatt Demultiplexer Demilitarized Zone Delivery Notification Destination Network Developer Network Dialing Number Directory Number DiscoNnect Distinguished Name Directory Number/Call Type Data Network Address Deutschen Normenausschuss Digital Network Architecture (DEC) Distributed Network Architecture (NCR) Dynamic Network Architecture Distributed Internet Applications for Financial Services Directory Number Appearance ID Directory Number Bridging DN Bridging for Analog Member of EKTS Deutsches Network Broadcasting Delivery DNB for EKTS or Flexible Calling for Non-EKTS Digital Node Controller Direct Numerical Control Directory Number Check Directory Number Contention Do Not Collect Dynamic Network Control Dynamic Network Controller Directory Number/Call Appearance DECnet Control Protocol Directory Number/Call Type

DND DND DND DND DND DNDG DNDGX DNDI DNEC DNF DNG DNH DNHD DNHR DNI DNI DNI DNI DNI DNI DNIC DNIC DNIC DNID DNIS DNL DNN DNP DNPA DNPC DNPC DNPIC DNR DNR DNR DNS DNS DNS DNS DNS DNS DNSIX DNSP DNSS DNT DNTR DNTU DNTX DNTYP DNU DNU DNUI DNUS DNU-S DNW DNX DO DO DO DO

Data Network Division Department of National Defence Dialable Number Delivery Directory Number Dependent Do Not Disturb (supplementary service) Do Not Disturb- Group Do Not Disturb, Selected-Group Station Diversion Do Not Disturb- Individual Digital Network Echo Control Disjunctive Normal Form Dynamic Network Gateway Directory Number Hunt(ing) Directory Number High and Dry Dynamic Non-Hierarchical Routing Data Network Interface Deny National and all International Digital Network Interconnect(ing) Digital Network Interface Digital Non Interpolation Directory Number Independent Data Network Identification Code Data Network Identifier Digital Network Interface Circuit Deny National and International Direct Dial Dialed Number Identification Service Differential Non-Linearity (Analogue-Digital Converters) Data Network Number Directory Number Profile Data Numbering Plan Area Directory Number Primary Inter-LATA Carrier Dual Network Packaged Core Directory Number Primary InterLATA Carrier Directory Number Reference Domain Name Resolver Dynamic Noise Reduction Data Network System Distributed Name Service (DSM-Tandem) DN Set Domain Name Server Domain Name Service Domain Name System (T/IP-DoD) Defense Network Secure Information Exchange Distributed Networked Services Platform DN Screening Set Option Dialed Number Trigger Denied Termination Treatment Digital Network Terminating Unit Do Not Transmit Multiline Hunt Terminal Type Digital Networking Unit Do Not Use Directory Number Interface Digital Network Unit-SONET Digital Networking Unit-SONET DECT NetWork Digital Network Crossconnect Data Out Data Output Database Owner Denied Origination

DO DO DO DO DO DoA DOA DOA DOAS DOC DOC DOC DOC DOC DOC DOC DOC DOCAT DoD DoD DOD DOD DODTC DoE DOE DOE DOE DOEORB DOF DOF DOHB DOI DOI DO-I DO-ID DOJ DOM DOM DOM DOME DOMF DOML DOMPS DOMSAT DON DOORS DOOS DoP DOP DOP DOP DOPSK DOR DOR DOR DOR DOR DOR DORG DORS

Derived Object Design Objective Disallowed Operation Distributed-Object ISO country code for Dominican Republic Date of Announcement Dead On Arrival Direction of Arrival Dial Out Attribute Selector Declaration of Conformity Department of Commerce Department of Communications Distributed Object Computing District Operations Center Document File Drop-Out Compensation (Video Tape Recorder) Dynamic Overload Control Digital Optical CAble-television Trunk system Department of Defense Department of Defense (USA) Direct Outward Dial Direct Outward Dialing D-Channel Outgoing Default Throughput Class Demonstration of Equivalence Department of Energy Distributed Object Environment Distributed Objects Everywhere DOE Object Request Broker Data Order File Degrees of Freedom Draw-Off/Hold-Back Department of Industry Depth of Inheritance ISDN Denied Origination Derived Object Identifier Department of Justice Distributed Operational Measurements Document Object Model Domain Object Model Distributed Object Management Environment Distributed Object Management Facility Default Overload Messaging Limit D-Channel Outgoing Maximum Packet Size Domestic Satellite Digital Overlay Network Dynamic Object Oriented Requirements System Dependent Out-of-Service Date of Publication (ETSI) Dilution of Precision Direction of Projection Directory Operational binding management Protocol Differential Offset Phase Shift Keying Date Of Ratification Dead Office Recovery Denied Origination Denied Origination Treatment Digital Optical Recording Division of Revenue Denied Origination Dial Out Routing Server

DoS DOS DOS DOS/VS DOSBS DOSF DOSX DoT DOT DOT DOTS DOUS DOV DOV DoW DP DP DP DP DP DP DP DP DP DP DP DP DP DP DP DP DP DP DP DP DP DP dp DP DP DP DPA DPA DPA DPA DPA DPAC DPATH DPB DPBX DPC DPC DPC DPC DPC DPC DPC DPC DPC DPCA

Denial of Service Directory & Operator Services Disk Operating System Disk Operating System/Virtual Storage Data Over Speech Bearer Service Distributed Office Facility (IBM) DOS Extender Department of Telecommunications Distributed Object Technology Document Template File Digital Office Timing Supply Digit Outpulser Utility Service Data Over Voice Data Over Voice Date of Withdrawal (ETSI) Data Partitioning Data Port Data Processing Dataport Delivery Process Demarcation Point Designer Productivity Detection Point Diagnostic Port Dial Pulse Dial Pulsing Dial/Dialled Pulse Dialing Plan Dialled Pulse Dialog Processor Differential Phase Digital Potentiometer Digital Press Distribution Point Diverse Protection Diversely Protected Document Parameters Dot Pitch (typically expressed in mm) Double Pole Draft Proposal Dual Processor Demand Protocol Architecture (3COM) Destination Physical Address Destructive Physical Analysis Dial Pulse Access Dual Power Amplifier DATAPAC Data Path Drive Parameter Block Digital Private Branch Exchange Data Packet Collector Data Processing Center Deferred Procedure Call Destination Point Code Digital Port Card Digital Private Circuits Distributed Persistent Cache Double Purpose Connector Dynamic Power Control Defect Prevention and Corrective Action

DPCC DPCC DPCC DPCM DP DPCTH DPCTL DPD DPD DPDT DPE DPE DPE DPE DPE DP-EX DPI dpi DPI DPIB DPKTGP DPL DPL DPLL DPLM DPLMRS DPM DPM DPM DPM DPM DPMC DPMI DPMS DPMS DPMS DPN DPN DPN DPN DPN DPNACC DPNB DPNS DPNSS DPNX DPO DPO DPP DPP DPP DPP DPPS DPPS DPR DPR DPR DPR DPRAM DPRG

Dual Plane Combined Cabinet Dual Plane Combined Core Dual Plane Core Cabinet Differential Pulse Code Modulation DECnet Phase IV Control Protocol Dynamic Power Control Threshold-High Dynamic Power Control Threshold-Low Differential Phase Detector Display Digits Double-Pole Double-Throw Data Processing Equipment Direct Plate Exposure (Printing) Distributed Processing Environment Distributed Programming Environment Dynamic Pool Extender Data Port Extender Digital Phone Interface Dots Per Inch Dots Per Inch Directed Call Pickup Billing Records D-Channel Packet Group Descriptor Privilege Level Digital PowerLine Digital Phase-Locked Loop Domestic Public Land Mobile Domestic Public Land Mobile Radio Service Defects Per Million Digital Phase Modulation Documents Per Minute Downtime Performance Measurement Dynamic Power Management Dual Port Message Controller DOS Protected-Mode Interface Data Processing and Management System Display Power Management Signaling DOS Protected Mode Services Data Packet Network Digital Packet Network Digital Path Not Provided message Digital Path Not provided signal Directed Call Pickup- Non Barge-in Directed Call Pickup Non-Barge-In Access Code Directed Call Pickup Non-Barge-In Billing Records Digital Private Network Signaling Digital Private Network Signalling System (BT) Directed Call Pickup Exempt Data Path Object Dial Pulse Originating Data Processing Peripheral Defect Prevention Process Distributed Preplan Distributed Processing Peripheral Data Packets Per Second Data Post-Processing System Data Unit Profile Detailed Privacy Recording Digit PResent Dual Port RAM Dual Port Random Access Memory Data Population Rule Generation

DPRI DPS DPS DPS DPS DPSK DPST DPT DPT DPT DPTC DPU DPU DPU DPUACC DPUB DPUIND DPUN DPX DQ DQA DQC DQD DQDB DQDB DQDB DQDB DQE DQI DQPSK DQPSK D-QPSK DQRUMA DQS DQS DQT DQT DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR Dr

Delay Priority Data Processing System D-Channel Packet-Switched Design and Prototyping Services Display PostScript Differential Phase Shift Keying Double-Pole Single-Throw Dial Pulse Terminating Different Premises Telephone Drive Parameter Tracking Dual Processor Terminal Controller Direct Pick-Up Directed Call Pickup- Barge-in Display Processing Unit Directed Call Pickup Barge-In Access Code Directed Call Pickup Billing Records Directed Call Pickup Barge-in Indication DPU Notification Datapath Extension Deluxe Queuing Design Quality Assurance Display Queued Calls Directory Query Display Distributed Queue Double Bus Distributed Queue Dual Bus Distributed Queued Dual Bus Dual Queue Dual Bus Detective Quantum Efficiency Departmental Quality Index (ETSI) Differential QuadraPhase Shift Keying Differential Quadrature Phase-Shift Keying Differential Quaternary Phase-Shift Keying Distributed Queuing Request Update Multiple Access Display Queue Status Document Quality System Define Quantization Table Display Queue Threshold Data Rate Data Ready Deactivation Request Dead Reckoning position (ship-navigation) Debug Defect Report Delivery Report Derived Requirements Design Requirements Design Review Designated Receivers Diagnostic Request Digit Receiver Digital Radiology Digital Research Direct Route Direct Routed Directed Retry Disconnect Request Disconnect Request Discount Request Distinctive Ringing Draht (Wire)

DRA DRA DRA DRAM DRAM DRAM DRAM DRAMC DRAW DRAW DRB DRC DRC DRC DRCC DRCC2 DRCCI DRCS DRCS DRCW DRCW DRD DRDA DRE DREO DREQ DRES DRF DRFM DRG DRG DRG DRI DRI DRI DRI DRING DRIVE DRJ DRL DRL DRM DRM DRM DRMS DRO DRO DRO DROES DROP DRP DRP DRQ DRQ DRQ DRRS DRS DRS DRS DRS

Digital Recorded Announcement Distributed Restoration Algorithm Dynamic Resource Allocation Digital Recorded Announcement Machine Digital Recorded Announcement Module Dynamic RAM Dynamic Random Access Memory Dynamic Random-Access Memory Controller Direct Read After Write Direct Read After Write (Optical Disk) Destination Route Builder Data Recovery Center Data Recovery Component Design Rule Checking Dual Remote Cluster Controller Dual Remote Cluster Controller 2 ISDN Dual Remote Cluster Controller Digital Radio Concentrator System Dynamically Redefinable Character Set Distinctive Ringing/Call Waiting Distinctive Ringing/Ringback for Call Waiting Data Rule Distribution Distributed Relational Database Architecture Directional Reservation Equipment Defence Research Establishment Ottawa DMA Request Data Route Expert System (Telecom and Bell Canada) Data Recovery Field Digital Radio Frequency Module (Military Avionics) Degrees, Radians, or Gradians Developer Relations Group Direction de la Réglementation Générale (F) Defence Research Internet Define Restart Interval Digital Research Inc. Dual Ring Interworking Distinctive Ring Dedicated Road Infrastructure for Vehicle safety in Europe Disengage Reject Data Retrieval Language Denied Roamer Log Data Request Message Distributed Recording Manager Domain Resource Manager Dynamic Resource Management System Destructive Read Operation Destrutive Read-Out Dielectric-Resonator Oscillator Data Receive Only Earth Stations (satellite) Drop Directional Radiated Power Distribution and Replication Protocol Data Request Disengage Request DMA Request Digital Radio Relay System Data and Report System Data and Reports System Data Rate Selector Data Relay Satellite

DRS DRS DRS DRS DRS DRS DRS DRS DRSC DRSC DRSCI DRT DRT DRT DRT DRTM DRTS DRTU DRU DRU DRU DRU DRU DRU DRU DRUID DRUM DRUM DRV DRW DRX DRX DRxI DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS

Data Retreival System Delayed Release message Delayed Release Signal Digital Radio System Digital Reference Sequence Digital Reference Signal Druckstation (Printer Station) Dynamic Resource Scheduling Dedicated Short Range Communications Dual Remote Switching Center ISDN Dual Remote Switching Center Data Recording Terminal Destination Route Diagnostic Rhyme Test Digit Reception Test Design Ready To Manufacture Distributed Real-Time System Digital Remote Test Unit Deliverable Release Unit Delivery Release Unit Design Releasable Unit Design Release Unit Development Release Unit DualMode Radio Unit Dual-mode Radio Unit Demonstrational Rapid Interface Development Design Requirements Utility- Multisite DualMode Radio Unit Monitor Device Driver File Micrographx Designer/Draw File Discontinuous (radio) Reception (mechanism) Discontinuous Reception Definite Response x indicator (SNA) Dansk Standardiseringsraad Danske Standardiseringsrad (DK) Data Schema Data Segment Data Set Data Signaling Data Store Data Stream(ing) Data Strobe DDOC Section: Data Schema DDOC Started Decode and Select Default Service Define Storage Delivery System Denotational Semantics Design Specification Design Started Diagnostic Server Dialup Switch Digit Select Digit String Digital Section Digital Services Digital Signal Digital Signaling Digital Switch

DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS DS II DS III DS/DD DS/HD DS/SS DS0 DS0 DS-0 DS0A DS-0A DS0CTA DS0CTB DS0CTD DS0CTD2 DS0DP DS0-DP DS1 DS-1 DS1 OE DS1BIF DS1C DS-1C DS1GSP DS1PORTS DS2 DS-2 DS3 DS-3 DS-3C DS9 DSA DSA DSA DSA DSA DSA DSA DSA DSA DSA DSA DSA

Digital System Direct Sequence Direct Sequence Direct Signaling Directory Service(s) Dispersion Shifted DiSplay Distinguishing Sequence Distributed Single-Layer Distribution Session Distribution System Document Storage Double Side Double Sided Downstream Drive Select Duplex Signaling Primary Rate Access Digital Section Data Syntax according to CCITT Recommendation T.101, Annex C Data Syntax according to CCITT Recommendation T.101, Annex D Double-Sided Double-Density Double-Sided High-Density Direct Sequence Spread Spectrum Digital Signal Level 0 Digital Signal, level 0 Digital Signal Level 0 Digital Signal Level 0A Digital Signal Level 0A DS0 Channel Termination for Nailed-Up Analog Service DS0 Channel Terminations for B-Channels DS0 Channel Termination for D-Channel DS0 Channel Termination for D-Channel Backup (D2) DS0 Dataport DS0-Dataport Digital Signal Level 1 Digital Signal Level 1 DS1 Office Equipment Number DS1 Bus Interface Digital Signal Level 1 Concatenated Digital Signal Level 1 Concatenated DS1 Group Search Priority DS1 Ports Digital Signal Level 2 Digital Signal Level 2 Digital Signal Level 3 Digital Signal Level 3 Digital Signal Level 3 Concatenated Default Service in NA009 Data Set Adapter Dead System Alarm Dell SCSI Array Destination Subarea Dial Service istration Dial Service Analysis Dial Service Assistance Dial Service Auxiliary Digital Serving Area Digital Signature Algorithm Digital Storage Architecture Digital Subtraction Angiography (Med.)

DSA DSA DSA DSA DSA DSA DSAA DSAC DSAC DSAC DSAF DSAP DSAP DSAPI DSAR DSAU DSB DSB DSB TC DSBAM DSBEC DSBLD DSBRC DSBS DSBSC DSB-SC DSBTC DSC dsc DSC DSC DSC DSC DSC DSC DSC DSC DSC DSC DSC DS-CDMA DSCH DSCWID DSCWID DSD DSD DSD DSD DSDB DSDC DSDC DSDD DSDN DSDS DSDT DSE DSE DSE DSE DSE

Directory Server Agent Directory Service Agent Directory System Agent Distributed System Architecture (Bull) Distributed Systems Architecture Dynamic Slot Assignment DECT Standard Authentication Algorithm Dial Service istration Center Distributed Systems istrations and Control (Bull) DMS and Change Destination Subarea Field Data Supervisor Area Pointer Destination Service(s) Access Point Destination Service Access Point Identifier Data System Address DS1 Signal Access Unit Digital Sound Broadcasting Double Sideband Database for Testcases Double Sideband Amplitude Modulation Double Sideband, Emitted Carrier Disabled Double Sideband, Reduced Carrier Digital Sound Broadcasting System Double Sideband, Suppressed Carrier Double SideBand Suppressed Carrier Double Sideband, Transmitted Carrier Data Storage Controller Declaration Subset Close DECT Standard Cipher Digital Selective Calling Digital Spectrum Compatible Digital Subscriber Carrier (system) (ISDN) Digital Subscriber Controller (ISDN) Digital Switch Corporation Direct Satellite Communications District Switching Centre Document Structuring Conventions Dynamic Switch Compiler The Discovery Channel Direct Sequence CDMA Dual Service Channel Deluxe Spontaneous Call Waiting Identification Spontaneous Call Waiting Identification with Disposition Data Structure Definition (CCA/VTS) Development Strategy Document Digital Switch Division Direct Service(s) Dialing Debit Service Database Direct Service Dialing Capability Direct Service(s) Dialing Capabilities Double-Sided Double-Density (Disk) Designated Secondary Directory Number Dataphone Switched Digital Service Dynamic Structured Data Transfer Data Switching Equipment Data Switching Exchange Dialogue Service Element Digital Switching Element Distributed Single-Layer Embedded

DSE DSE DSE DSE DSEA DSEE DSEQ DSET DSF DSFT DSG DSGW DSH DSHD DSI DSI DSI DSI DSI DSI DSI DSI DSI DSIC DSIP DSIS DSISR DSL DSL DSL DSL DSL DSLAM DSLC DSLIC DSLT DSM DSM DSM DSM DSM DSM DSM DSMA DSMA DSMA/CD DSM-CC DSM-CC DSN DSN DSN DSN DSN DSN DSN DSN DSN DSN DSN DSNE

Distributed Switching Evolution Distributed System Environment (Honeywell) Document Search Engine DSA-Specific Entry Display Station Emulation Adapter Domain Software Engineering Environment Descending Sequence Display Set Dispersion-Shifted Fiber Deg Systems For Testability Distributed Systems Generator Double Sided Glue and Wave Dual Seizure Handling Double Sided High Density Data Set Identifier Data Set Interface Data Storage Interrupt Data Stream Interface Detailed Spectrum Investigation Digital Signal Interface Digital Speech Interpolation Disable Interrupts Dynamic Skeleton Interface Digital Subscriber Interface Circuit Digital Set Interface Processor Distributed Information Standards (group) DSI Exception Source Digital Simulation Language Digital Subscriber Line Digital Subscriber Loop Distributed Service Logic Distribution Service Level (SNA) Digital Subscriber Line Access Multiplexer Data Subscriber Loop Carrier Digital Subscriber Line Interface Circuit Digital Subscriber Line Terminal Digital Storage Media Digital Storage Medium Direct Signal Monitoring Direct Synthesis Module Directory Service Migration Distributed Software Manager Distributed Systems Management (Tandem) Data Sense Multiple Access Digital Sense Multiple Access Digital-Sense Multiple Access with Collision Detection Digital Storage Media Command and Control Digital Stored Media Command and Control Data Set Name Data Source Name Debit Service Number Defense Switched Network Deliver Single Number Digital Switching Network Disk Serial Number Distributed System Network (Hewlett Packard Inc.) Distributed System Network (HP) Dual Shelf Network MDII: No Start Dial- Delay Dial, Steady On-Hook Double Shelf Network Equipment

DSNE DSNX dso DSO DSO DSO DSO DSOC DSOM DSP DSP DSP DSP DSP DSP DSP DSP DSP DSP DSP DSP DSP DSPAN DSPC DSPDA DSPERM DSPI DSPM DSPM DSPR DSPROT DSPU DSQD DSR DSR DSR DSR DSR DSR DSR DSR DSRI DSRR DSRTP DSRV DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS

Dual Shelf Network Equipment Distributed Systems Node Executive (APPN-IBM) Declaration Subset Open Development Overhead Digital Sampling Oscilloscope Digital Storage Oscilloscope Dual In-Line Small Outline Decode and Select/Operand Fetch Cycle Distributed System Object Model Data Service Provider Device Stop Digital Signal Processing Digital Signal Processor Direction du Service Public (F) Directory Service Protocol Directory System Protocol (OSI) Display Display Station Protocol Display Translation/Routing Information Domain Specific Part (OSI-NL) Downstream Processor Drive Slave Present DataSpan Display Control DSP Design Automation Permanent Data Store DSP Island Digital Signal Processing Module Direct Subscription Parameter Management DSP Resource Module Protected Data Store Downstream Physical Unit Double Sided Quad Density Data Set Ready (Signal) Data Signalling Rate Data Synchronization Dead System Recovery Device Status Report Digital Satellite Radio Digital Subtraction Radiology (Medical) Double Sided Reflow Digital Standard Relational Interface Digital Short Range Radio Digital Services Remote Test Port Default Service Data Storage System Datensichtstation (Data Display Terminal) Decision Services Decision System Dedicated Servo Surface Device System Dial Selective Signaling Digital Satellite Service Digital Satellite System Digital Signalling Systems Digital Signature Standard Digital Subscriber Signalling Digital Subscriber Signalling System Digital Switching Subsystem Digital Switching System

DSS DSS DSS DSS DSS DSS DSS DSS DSS1 DSS1 DSS1+ DSS2 DSS2 DSSA DSSC DSSD DS-SMF DSSS DS-SS DSSSL DS-SSMA DST DST DST DST DSt DST DST DST DST DST D-STB DS-TDMA DSTE DSTEMP DSTN DSTN DSTS DSU DSU DSU DSU DSU DSU DSU DSV DSVD DSVT DSX DSX-1 DT DT DT DT DT DT DT DT DT DT

Direct Station Select Direct Station Selection Directory and Security Server Directory and Security Services Diskless Services Distributed Sample Scrambling Domain SAP/RIP Server Dynamic Structure Sizing Digital Signalling System number one (ISDN access protocol) Digital Subscriber Signaling System No. 1 enhanced DSS1 Digital Signalling System number 2 (B-ISDN access protocol) Digital Subscriber Signaling System No. 2 DECT Standard Authentication Algorithm Double Sideband Suppressed Carrier Double-Sided Single-Density (Disk) Dispersion Shifted Single-Mode Fiber Direct Sequence Spread Spectrum Direct-Sequence Spread-Spectrum Document Style, Semantics, and Specification Language Direct Sequence-Spread Spectrum Multiple Access Daylight Saving Time Destination DeSTination reference Device Start Diensstelle (Service Center) Diode-Split Transformer Dispersion ed Transmission Distributed Smalltalk Double Super Twisted Double-Layer Supertwist Detailed Simulation Testbed Data Syntax according to CCITT Recommendation T.101, Annex B Digital Subscriber Terminal Equipment Temporary Data Store Double Supertwisted Nematic Dual Supertwist Nematic Digital Services Test System (CSC-ATT) Data Service Unit Data Service Unit (Bell) Data Switching Unit Digital Service(s) Unit Disk Storage Unit Distribution Service Unit (SNA) DMS Software Update Controller Data Steal into Voice Digital Simultaneous Voice and Data Digital Secure Voice Telephone Digital Signal Cross-connect DSX for DS1 Facilities DaTa Data Terminal Data Terminal equipment Data Transfer Data Transmission Data Tuple DDOC Section: Design Test Plan Defer Threshold Definition List Term (HTML tag) Delayed Transmission

DT DT DT DT DT DT DT DT DT DT DT DT DT DT DT DT&M DT1 DT2 DTA DTA DTA DTA DTA DTA DTA DTA DTA DTA DTAC DTAC DTACK DTAD DTAG DTAI DTAL DTAM DTAM DTAM DTAM DTAO DTAP DTAU DTB DTBI DTBS DTC DTC DTC DTC DTC DTC DTC DTC DTC7 DTCA DTCI DTCO DTCOi DTCT DTD

DeleTe Denied Termination Design Test Designer Test Designer Tested Designer Testing Completed Deutsche Telekom (German Telecom) Dial Tone Digital Terminal Digitalk Digitone Digroup Terminal Display Text Distant Terminal Draw Text Desktop Technology & Management Data Form 1 Data Form 2 DaTA Data Transmission Abort Desktop Assistant Detailed Traffic Analysis Digital Terminals and Access Digital Test Access Digitally Terminated Analog Disk Transfer Area Distributable Technical Audit Distribution Terminal Assembly Digital Test Access Connector Digital Test Access Controller Data Transfer ACKnowledge Digital Telephone Answering Device Deutsche Telekom AG (German Telekom AG) (former DBPT) ISDN Digital Trunk Array Digital Test Access Link Document Transfer and Manipulation Document Transfer And Manipulation (CCITT T.431/433) Document Transfer Application Management Document Transfer, Access and Manipulation Desk-Top/Audio-Only Direct Transfer Application Part Digital Test Access Unit Data Transfer Bus Denied Toll Break-In Distributed Time-Bounded Services Data Test Center Datacommunication and Terminal Controller Desk-Top Communication Desktop Conferencing Digital Traffic Channel Digital Transmit Command Digital Trunk Controller Direct-To-Child CCS7 Digital Trunk Controller Default Throughput Class Assignment ISDN Digital Trunk Controller Digital Trunk Controller Offshore Digital Trunk Controller Offshore (ISDN) DMS Translations Capture Tool Dial Tone Delay

DTD DTD DTDMA DTDR DTDR DTDS DTDS+ DTE DTE DTE DTE DTE DTEI DTEI DTF DTF DTF DTF DTFI DTH DTH DTH DTH DTI DTI DTI DTI DTI DTI DT-I DTIE DTIM dtksh DTL DTL DTL DTL DTLB DTLS DTM DtM DTM DTM DTM DTM DTM DTM DTM DTMEPI DTMF DTMF DTMFR DTN DTN DTN DTN DTO DTO D-TO-A dtor

Document Type Decalaration Document Type Definition Distributed Time Division Multiple Access Dial Tone Delay Recorder Dial Tone Delay Recording Disaster Tolerant Disk System Disaster Tolerant Disk System Plus Compatibility with DTE Built to 1980, 1984, or 1988 ITU-T X.25 Data Terminal Equipment Data Terminating Equipment Digital Terminal Equipment Digital Trunk Equipment Dynamic TEI ISDN Digital Trunk Equipment Data Transfer Facility (DECnet-SNA) Data Transmission Failure Dial Tone First Digital Transmission Facility Digital Transmission Facility Interface Data Test Head Digital Test Head Direct To Home Direct-To-Home Data Transfer Interface Data Trunk Interface Defect Type Indication Department of Trade and Industry (UK) Digital Trunk Interface Distortion Transmission Impairment ISDN Denied Termination Display Text Information Element Delivery TIM Desktop Korn Shell Designated Transit List Digital Tanlock Digital Trunk Link Diode-Transistor Logic Data Translation Lookaside Buffer Digital Television Lightwave System Denied Termination Design to Manufacture Design To Market Digital Terrain Model Digital Test Module Digital Trunk Module Distributed Transaction Monitor DRAM Trunk Module Dynamic Traffic Management Denied Termination Except Priority Incoming Digitone Multifrequency Dual-Tone Multifrequency DTMF Receiver Deflected-to Number Deliver Two Numbers Digitone Dial Diverted-to Number Decentralized Toll Office Desktop Object Digital to Analogue Destructor

DTP DTP DTP DTP DTP DTP DTP DTPM DTR DTR DTR DTR DTR DTR DTR DTR DTR DTR DTRC DTRC DTRE DTS DTS DTS DTS DTS DTS DTS DTS DTS DTS DTS DTS DTSP DTSP DTSR DTTB DTU DTU DTU DTU DTV DTV DTW dtwm DTWX DTWX DTX DTX DU DU DUA DUA DUAE DUAL DUAP DUAQ DUART DUC DUC

Data Tape Punch Data Transfer Process Data Transport Protocol Designer Test Process Designer Testplan Desktop Publishing Distributed Transaction Processing (OSI) Data Transport Protocol Machine Data Terminal Ready (modem signal) Data Transfer Requested Data Transmission Digital Tone Receiver Digitone Receiver Distributor Session Distributor Transactor Down-Time Ratio Draft ETSI Technical Report Draft Technical Report (IEC, ETSI) Data Transmitter Receiver Chip DS-512 Transmit/Receive Controller DTMF Recognition Data Tandem Switch Data Transport System Decoding Time Stamp Dial Tone Speed Digital Tandem Switch Digital Terminal Simulator Digital Termination System Digital Test Sequence Digital Theater Surround Digital Transmission System Distributed Time Service Document Translation System Default Terminal Service Profile Duplicate Translation Signalling Point Dial Tone Speed Recording Digital Television Terrestrial Broadcasting Data Terminal Unit Data Terminating Unit Data Transfer Unit Digital Test Unit Desktop Video Digital Television Dynamic Time Warping Desktop Window Manager Dial TeletypeWriter eXchange Dial Teletypewriter Exchange Service Data Transmission Discontinuous Transmission (mechanism) Data Unit Dimensioning Unit Device Under Analysis Directory Agent Directory Agent Entity Distributed Update Algorithm Data Area Pointer Dial-Up Autoquote Dual Universal Asynchronous Receiver/Transmitter Data Unit Control Dual-Access Utility Circuit

DUD DUE DUF DUITS DUKPT DUN DUP DUP DUP DUP DUS DUSCC DUT DUTL DUUS DUV DUV DUX DV DV DVA DVAP DVB DVB DVB DVB-C DVB-S DVBST DVB-T DVC DVC DVC DVCC DVD DVD DVDR DVD-R DVE D-VHS D-VHS DVHT DVI DVI DVI DVI DVI DVI DVI DVI DVLN DVM DVM DVM DVMA DVMRP DVM-RP DVOM DVS DVS DVSR

Dollar Underscore Dollar Detection of Unauthorized Equipment Dispersion-Unshifted Single-Mode Fiber Digital, Ubiquitous, Interoperable, Transparent, and Secure Derived Key Per Transaction Dial-Up Networking Data Part Default Profile Destination Prompter Duplicate Data Stations Dual Universal Serial Communications Controller Device Under Test DMS Universal Transport Layer Delivery of -to- Signaling Data Under Voice Deep Ultraviolet Digital Unix DataVision Distance Vector Digital Video Architecture Design Verification and Acceptance Plan Digital Video Broadcasting Direct Video Broadcast DOS Volume Boot Sector Digital Video Broadcasting-Cable Digital Video Broadcasting-Satellite Direct View Bistable Storage Tube Digital Video Broadcasting-Terrestrial Desktop Videoconferencing Digital Video Compression Digital Videocassette Digital Verification Color Code Digital Versatile Disk Digital Video Disk Digital Video Disk Recorder Digital Video Disk-Recordable Digital Video Effects Data VHS Digital Data VHS Digital Video Home Terminal Data and Voice Interface Data-Voice Interleaved Diagonal Viewable Image Diagonal Viewing Image Digital Video Interactive Digital Video Interactive system Digital Video Interface Digital Voice Interpolation Digital Video Learning Network Data Voice Multiplexor Digital Volt-Meter Document View/Markup Direct Virtual Memory Access Distance Vector Multicast Routing Protocol Distance Vector Multicast Routing Protocol Digital Volt-Ohm Meter Data Voice System Datenvermittlungssystem Digital Video Silicon Recorder (Mass-Memory)

DVST DVST DVS-TP DVT DVT DVTR DVTS DVX DW DW DW DW dw DWARF DWB DWBS DWDM DWDM DWDM D-WDM DWF DWF DWIM DWMT DWN DWS DWV DX DX DX DX DX DX DXB DXC DXCS DXE ipment DXF DXF DXF DXFR DXI DXL DXS dyn DYN DYNPAL DYP DZ

Direct-View Storage Tube Direct-View Storage Tube Data Voice System- Transaction Processor Designer Verification and Testing Digital Video Terminal Digital Video Tape Recorder Digital Video Test Set Digital Voice Exchange Data Word Deep Water Device Wait Double Word DWORD (unsigned long) Debug With Arbitrary Record Format Designer's Workbench DEFINITY Wireless Business System Dense Wavelength Division Multiplex Dense Wavelength Division Multiplexer Dense Wavelength Division Multiplexing Dense-Wavelength Division Multiplexer Drawing Web Format Dual-Window Fibre Do What I Mean Discrete Wavelet Multitone DoWN Dialable Wideband Service Data With Voice Data Destination Switch Complex Distance Duplex DupleX Duplex Signaling Drawing Interchange Binary Digital Cross-Connect Digital Cross Connect System either a Data Terminal Equipment or a Data Circuit terminating Equ Data Exchange Format Drawing Exchange Format Drawing Interchange Format Data Transfer Data Exchange Interface DOORS Extension Language Data eXchange System Dynamic Links Dynamic Links Without Packet Link Dynamic Links With Packet Links Directory Yellow Pages ISO country code for People's Democratic Republic of Algeria

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earth wire East Echo Electrical

e E E E E E E E E E E E E E E&E E&M E&M E&S e.r.p. E/O E/O E/S E/U-MUX E2E E3C E800 E911 EA EA EA EA EA EA EA EA EA EA EA EA EA EA EA EA EA1 EA2 EAB EAB EABS EABS EAC EAC EAC EACC EACEM EACK EACSO EAD EAD EADA EADAS

emf (when used in conjunction with a signal generator) Enable Energy English Erlang Error-Detected Essential facility Exception Exchange Expedited (X) Exponent Extended (link) Extension Irradiance Environment, Health, Safety, Security, and Business Ethics Ear and Mouth rEceive and transMit leads Evans and Sutherland effective radiated power Electrical-to-Optical Electro-Optical Earth Station switch between E-type and U-type MUltipleXes End To End European Coordination Committee for Certification (ECCC) Enhanced 800 Service Enhanced 911 Emergency Service Address Field Extension Bit Early Assignment Effective Address Electroabsorption Emergency Action Emergency Announcement Equal Access Erase in Area Evaluation Authority Expedited Acknowledgement Expedited data Acknowledgement Expedited Data Acknowledgement Message Extended Address Extended Address field bit Extended Attribute(s) External Alarms Emergency Announcement #1 Emergency Announcement #2 Enterprise Application Builder ESPRIT Advisory Board Exchange Alternate Billing Service Exchange Alternate Billing System Effective-Address Calculation Engineering Accreditation Commission Engineering Action Center East Asian Character Code European Association of Consumer Electronics Manufacturers Extended Acknowledgement East Africa Common Services Organization Engineering and istration Expert Agent Distribution Engineering and istrative Data Acquisition Engineering and istrative Data Acquisition System

EADAS/NM agement E-ADPCM EAE EAE3 EAEO EAEO EAF EAFGD EAI EAI EAIEC EAILU EAM EAM EAM EAMA EAMF EAMPS EAN EANT EAO EAOA EAOS EAOSS EAOSS EAOSS EAP EAP EAP EAP EAP EAP EAP EAPROM EAR EAR EARB EARB EARN EAROM EAs EAS EAS EAS EAS EAS EAS EAS EAsKt EASP EAT EAT EATMS EATS EAX EAX eaz EB

Engineering and istrative Data Acquisition System/Network Man Embedded Adaptive Differential Pulse Code Modulation Equipment Application Engineer Efficient Algorithms Executing Every Aspect of Engineering for Equipment Application Engineers Equal Access End Office Exchange Access End Office Effective-Address Fetching Equal Access Feature Group D Emergency Action Interface Emergency istrative Interface Equal Access Interexchange Carrier Enhanced Asynchronous Interface Line Unit Electrical ing Machine Electronic ing Machine Extended Answer Message Enhanced Automatic Message ing Equal Access Multifrequency Expanded AMPS European Article Number (bar code) Equal Access Network Trunk Electronic Access Ordering Equal Access/Operator Assist team Equal Access and Operator Services Equal Access Operator Services Signaling Equal Access Operator Signaling System Exchange Access Operator Services System Emergency Action Program Employee Assistance Program Equal Access Plan Extended Access Paging Extended Access Paging Extensible Authentication Protocol External Address Plan Electrically Alterable Programmable Read-Only Memory Early Access Release External Access Enhanced Adaptive Rate-Based Extended Adaptive Rate-Based European Academic and Research Network Electrically Alterable Read-Only Memory Einzelanschluss (Single Line) (analogue line, single line) Emergency Alert System Enhanced Alarm System Exchange Access Signaling Exchange Access System Expert Agent Selection Extended Area Service External Architecture Specification Einzelanschlusskonzentrator (Single Terminal Concentrator) Equal Access Switching Point EDNA istration Tool Emergency istrative Terminal Electro-Acoustic Transmission Measuring System Equal Access Traffic Separation Electronic Automatic Exchange Extended Accumulator Endgeraeteauswahlziffer (Terminal Equipment Selection Digits) Electronic Bonding

EB EB EB EB&F EB/TA EBAF EBAF EBAF E-BAMA EBAS EBB EBBL EBC EBC E-BCCH EBCD EBCDIC EBCR EBE EBER EBES EBGP EBHC EBI EBI EBIC EBIT EBIU EBL EBM EBM EBNF EBO EBOBAS EBOEBX EBOF EBOM EBONE EBOT EBOX EBP EBR EBS EBS EBS EBS EBS EBSG EBSS EBTN EBU EBV EBW EBX EBX EC EC EC EC EC

End of Block Exabyte External Bit Equipment Blockages and Failures Electronic Bonding for Trouble istration Enhanced Bellcore AMA Format Expanded Bellore AMA Format Extended Bellcore AMA Format Enhanced Beacon Assisted Multiple Access Enhanced Billing and Access Services Elektronische Bild Bearbeitung Evolution Brown Bag Lunch Egress Busy Crankback message European Business Committee Extended Broadcast Control Channel Enhanced Booked Call Database Extended Binary-Coded Decimal Interchange Code Enhanced Busy Call Return External Behaviorial Expression Equivalent Binary Error Rate Electron Beam Exposure System External BGP Equated Busy Hour Calls End Bracket Indicator (SNA) Even Bit Inversion Electron Beam Induced Current Electronic Bonding Implementation Team End of BIU Electron Beam Lithography Editing Boundary Mode Error Correction and Burst Memory Controller Extended Backus-Naur Form Executive Busy Override Executive Busy Override Basic Executive Busy Override Exempt Extension Block Object Framework Executive Busy Override on MADN European IP Backbone Executive Busy Override Tone Executive Busy Overide Exempt Extended Base Pointer Electron-Beam Recording Electron Bombarded Silicon Electronic Business Service Electronic Business Set Emergency Broadcast System Engineering and Business Systems Inc. Elementary Basic Service Group European Binary Signalling System (1200 bit/s) European Backbone Telecommunications Network European Broadcasting Union Elektronische Bild Verarbeitung Effective Bandwidth Executive Busy Override Exempted Extended Base Earth Calling Echo Canceler Echo Cancellation Echo Canceller Echo Check

EC EC EC EC EC EC EC EC EC EC EC EC EC EC EC EC EC EC EC EC Ec/No ECA ECA ECA ECA ECA ECAC ECAN ECAN ECATI

Echo Controller E-Core Edition Code Electrical Communication (periodical) Electronic Commerce Engineering Change Engineering Complaint Environmental Compatibility Equipment Controller Equivalent Capacity Erase Character Error Code Error Correction Escape Character European Commission (new name for CEC) European Community (now EU) Exchange Carrier Exchange Classification Extended Control ISO country code for Republic of Ecuador Ratio of energy per modulating bit to the noise spectral density Echo Suppression Allowed Element Control Application Emergency Changeover Acknowledgement message Engineering Change Announcement Exchange Carrier Association European Civial Aviation Conference Echo Cancellation Echo Canceller European Conference of Associations of Telecommunications Industri

es ECB ECB ECB ECB ECBF ECBM ECC ECC ECC ECC ECC ECC ECC ECC ECC ECC ECC ECC ECC ECC ECC ECCB ECCC ECCM EC ECCS ECCV ECD ECD

Electrically Controlled Birefringence Electronic Code Book Event Control Block Extension Control Block European Citizen's Band Federation Echo Canceller Burst Mode Echo Canceller Control Electrical Cross-Connect Electronic Common Control Elliptic Curve Cryptosystem Embedded Communication Channel Embedded Communications Channel Embedded Control Channel Error Checking and Correction Error Control Code Error Correcting Code Error Correcting Code Error Correction Checking Error Correction Code Error-Correction Coding Expanded Community Calling Extended Call Condense Block European Coordination Committee for Certification Electronic Counter-Counter-Measures (Military) Error Correction Coprocessor Economic CCS Enhanced Charge Card Validation Echo Suppression Denied Enhanced Call Disposition

ECD Enhanced Compact Disk ECD Equipment Configuration Data ECD Equipment Configuration Database ECD Eraseable Compact Disk ECD Error Correction Device ECDB Electronic Chart DataBase (ECDIS) ECDIE Electronic Chart DIsplay Equipment ECDIS Electronic Chart DIsplay System (ship-navigation) ECDO Electronic Community Dial Office ECDR Expanded Call Detail Record ECE Echo Control Equipment ECE Economic Commission for Europe ECF Echo Control Factor ECF Enhanced Call Forward ECF Enhanced Connectivity Facility (SNA) ECFRN European Consultative Forum for Research Networking ECG Electro Cardio-Gram (Medical) ECH Echo Canceled Hybrid ECH Echo Canceler with Hybrid ECH Echo Cancellation ECH Erase Character ECHO European Commission Host Organization ECHS Extended CHS ECI Echo Control Information ECI Egress Context Identifier ECI End Chain Indicator (SNA) ECI Equipment Catalogue Identifier ECI Explicit Congestion Indication ECI Extended Call Interface ECIC Electronic Communications Implementation Committee ECIC Electronic Communications Implementors Committee ECIC Equal-access Carrier Identification Code ECIF Electronic Communications Implementation Forum ECIS Embedded Common Channel Interoffice Signaling ECISS European Committee on Iron and Steel Standardization ECIT European Committee for Information Technology ECITC European Committee for Information Technology Testing and Certific ation ECJ European Court of Justice E-CKEY Encrypted E-KEY ECKO Eddy-Current-Killed Oscillator ECL Effective Code Length ECL Emitter-Coupled Logic ECLT External Code Linking Toolkit ECM Coordination Management ECM Electronic Cipher Machine ECM Electronic Contrast Modulation (Electronic Imaging) ECM Electronic Counter-Measures (Military) ECM Emergency Changeover Message ECM Engineering Change Memorandum ECM Entitlement Control Message ECM Error Control Mode ECM Error Correction Mode (facsimile) ECM Extended Call Management ECMA European Computer Manufacturers' Association ECMA TC 32 Communication, Networks and Systems Interconnection ECMS Extended Change Management System ECN Engineering Change Notice ECN Engineering Change Notification ECN ERMES Code Number

ECN Explicit Congestion Notification ECO Electron Coupled Oscillator ECO Electronic Central Office ECO Emergency Changeover Order message ECO Emergency Cutoff ECO Engineering Change Order ECO Engineering Control Office ECOM Electronic Computer Originated Mail ECOOP European Conference on Object-Oriented Programming ECORE Enhanced Core ECOS End-to-End Class of Service ECOSOC ECOnomic and SOcial Committee E Encryption Control Protocol E Engineering Change Proposal E Enhanced Capabilities Port E European Common Proposal E Executive Cellular Processor E Executive Control Program E Extended Capabilities Port EA Electronic Communications Privacy Act EC Executive Cellular Processor Complex ECR Electronic Cash ECR Explicit Cell Rate ECRB Executive Change Review Board ECREEA European Confederation of Radio and Electronic Equipment Associati ons ECRM Echo Cancellation Resource Module ECRP Earcap Reference Point ECRTSIM Enhanced CRTSIM ECS Electronic Commerce Services ECS Encryption Control Signal ECS Enterprise Communications Server ECS Entity Coordinate System ECS Entrance Criteria Screener ECS Entropy-Coded Segment ECS Environmental Control System ECS European Communications Satellite ECSA European Computing Services Association ECSA Exchange Carrier Standards Association ECSA Exchange Carrier Standards Association (USA) ECSDS Enterprise Computing Systems Data Systems ECT Early Cut-Through ECT Explicit Call Transfer (supplementary service) ECTEL European Conference of Telecommunications and Professional Electro nic Industries (ES) ECTEL European Telecommunication and Professional Electronics Industry ECTF Enterprise Computer Telephony Forum ECTP Ethernet Configuration Test Protocol ECTRA European Committee for Telecommunications Regulatory Affairs ECTS Echo Canceller Testing System ECTS ENET Integrity Check Traffic Simulator ECTUA European Council of Telecommunications Associations ECU EISA Configuration Utility ECU Electronic Control Unit ECU Environmental Control Unit ECU European Currency Unit ECU European Currency Unit ECW Emergency Calls in Wireless ECW Even Control Word ECX Extended Count

ED ED ED ED ED ED ED ED ED ED ED ED ED ED ED&C ED/ECC EDA EDA EDA EDAC EDAP EDB EDB EDB EDBA EDC EDC EDC EDC EDCH ED EDD EDD EDD EDD EDD EDD EDDI EDDS EDE EDF EDF EDF EDFA EDFFA EDFG EDFP EDGE EDH EDH EDI EDI EDI EDI EDIF EDIF EDIFACT port EDIFICE EDIM

Edit Editing Electronic Design (periodical) End Delimiter End Designation End of Data Ending Delimiter Energy Dispersal ENVY/Developer Erase in Display Error Detection EWOS Document Expedited Data (EX) Extra-High Density Error Detection and Correction Error Detection and Error Correction Code Efficient Defect Analyzer Electronic Design Automation Electronic Design Automation (CeBIT) Error Detection and Correction Extended Data Availability and Protection Embedded Database ESTELLE Debugger Exchange Database Event-Driven Billing Architecture Error Detecting Code Error Detection and Correction Error Detection Code Export Development Corporation Enhanced D-Channel Handler Event Driven Call Processing Earliest Due Date Electronic Document Delivery Electronic Document Distribution (DISOSS) Element Definition Document Envelope Delay Distortion Equipment Data Dump Extended Disk Driver Interface Enhanced Dynamic Data Sync Encrypt-Decrypt-Encrypt Earliest Deadline First Erbium-Doped Fiber European Development Fund Erbium-Doped Fiber Amplifier Erbium-Doped Fluoride Fiber Amplifier Edge Device Functional Group Event Driven Feature Processing Enhanced Data Rates for GSM Evolution Electronic Data Handling Electronic Document Handling Electroni Document Interchange Electronic Data Interchange Enciphered Data Indicator (SNA) Extended Destination Index Electronic Design Interchange Format Electronic Design Interchange Format (CAD/CAE) Electronic Data Interchange For istration, Commerce and Trans EDI Forum for the Electronics Industry Electronic Data Interchange Message

EDIMS EDIN EDIP EDIT EDL EDL EDM EDM EDM EDMX EDN EDNA EDNA EDNR EDNR EDNR EDNS EDO EDOA EDORAM EDOSRAM EDOVRAM EDP EDP EDP EDP EDP EDPE EDPM EDP-N EDP-R EDR EDR EDRAM E-DRAM EDS EDS EDS EDS EDS EDSEA EDSFA EDSL E-DSPM E-DSS1 EDSX EDT EDT EDT EDTC EDTCC EDTK EDTM EDTU EDTV edu EDW EDX EDX EE

Electronic Data Interchange Messaging System Electronic Data Interchange Notification Electronic Document Image Processing Error Deletion by Iterative Transmission Edit Decision List Encapsulator Description Language Embedded Delta Modulation Employee Development Model Enterprise Desktop Manager Enhanced Data Message Switch EDN Magazine (periodical) EKTS Display With No Alerting Environment Distribution Network istration Emergency Directory Number Route Emergency Directory Number Routing Emergency Dynamic Number Routing Enterprise-Defined Network Services Extended Data Out Ermium-Doped Optical Amplifier Extended Data Out RAM Extended Data Out SRAM Extended Data Out VRAM Electronic Data Processing Encrypted Data Processor Enhanced Datagram Protocol Event Detection Point Extended Datagram Protocol Electronic Data Processing Equipment Electronic Data Processing Machine Event Detection Point- Notification Event Detection Point- Request Early Developer Release Engineering Data Reporter Enhanced Digital Recorded Announcement Machine Enhanced DRAM Electronic Data Switching system Electronic Data Systems Electronic Directory Service Equipment Drawing System Exchangeable Disk Storage Enhanced Display Station Emulation Adapter Erbium-Doped Silica Fiber Amplifier Extended Digital Subscriber Line Enhanced Digital Signal Processing Module European Digital Subscriber Signaling System No. 1 Electronic Digital Signal Cross-Connect Eastern Daylight Time Electronic Design Transfer Enhanced Data Transfer Enhanced Digital Trunk Controller Electronic Data Traffic Control Computer Event Driven Trunk Call Processing Electrical Time-Division Multiplexing Enhanced Digital Test Unit Enhanced-Definition Television Educational institutions domain Energy Dispersion Waveform Enhanced Digital Switch Extended Data Electrical Engineering

Ee EE EE EE E-E EE&Q EEA EEA EEA EEC EEC EEC EEC EECA EEE EEE EEG EEHO EEI EEIG EEL EEL EEL EEM EEM EEMA EEMS EEP EEPOT EEPROM EEPROM EER EER EEROM EES EES EES EESS EESSC EET EETD EETDN EEVP EEVPN EEWD EF EF EF EF EF EF&I EFB EFCI EFCI EFCN EFCS EFD EFD EFD

Entity End Equipment Engineering Extended Edition ISO country code for Estonia End-to-End Environment, Ethics & Quality Electronic Engineering Association (UK) European Economic Area (EFTA) The Association of the Electronics, Telecommunications and Business Equipment Industries (UK) Electrical Echo Canceler Escrow Encryption Chip European Economic Community European Economic Community (no longer used, replace by EU) European Electronic Component Manufacturers' Association Electronic Equipment Enclosure End-to-End Encryption Electro-EncephaloGram (Medical) Either End Hop Off External Event Information European Economic Interest Group Edge-Emitting Laser Electric Echo Loss Electric Echo Loss End to End Message Enhanced Expanded Measurements European Electronic Mail Association Enhanced Expanded Memory Specification Electrical Echo Path Electrically Erasable programmable POTentiometer Electrically Erasable Programmable Read-Only Memory Electrically Erasable PROM Event Error Rate Extended Entity Relationship Electrically Erasable Read-Only Memory End-to-End Signaling Escrowed Encryption Standard European Economic Space Earth Exploration Satellite Service End-to-End Signaling via Speed Calling Equipment Engaged Tone End-to-End Transit Delay End-to-End Transit Delay Negotiation End-to-End Virtual Path End-to-End Virtual Private Network Enhanced Exchange Wide Dial Elementary Function Enhanced Functions Enhancement Factor Envelope Function Erase in Field Engineer, Furnish, and Install Error Free Block Explicit Forward Congestion Indication Explicit Forward Congestion Indicator Explicit Forward Congestion Notification Electronic Flight Control System Endpoint Format Descriptor Event Forwarding Discriminator Event-Forwarding Discriminator

EFDS Error Free DeciSeconds EFF Electronic Frontier Foundation EFF ElectronikFabrikant Foreningen (Association of Electronics Manufac turers (Denmark) EFF Extended Frame Format EFI Electronics for Imaging EFI Engineer, Furnish and Install EFI Errored Frame Indicator EFI Expedited Flow Indicator EFIE Extended Facility Information Element EFIS Electronic Flight Instrument System EFL Emitter Follower Logic EFM Eight-to-Fourteen Modulation (Coder/Decoder) EFPT European Feature Patch Team EFQM European Forum for Quality Management EFQM European Foundation for Quality Management EFR Enhanced Full Rate EFRAP Enhanced Frame Relay Access Processor EFRC Enhanced Full Rate Codec EFS Encrypting File System EFS End of Frame Sequence EFS Error Free Signal EFS Error-Free Seconds EFS External File Service EFSM Extended Finite State Machine eFSM Extended Finite State Machine EFT Electrical Fast Transient EFT Electronic Funds Transfer (Banking) EFT Extended Fundamental Types EFTA Europäische Freihandelsassoziation EFTA European Free Trade Association EFTPOS Electronic Funds Transfer at Point of Sale EFTS Electronic Funds Transfer System EFTT Enable Full Time Transmission EG Equipment Ground EG Europäische Gemeinschaft(en) EG Expert Group EG External Gateway EG ISO country code for Arab Republic of Egypt EG5 PAC Expert Group 5 (Mobile and Personal Communications) EGA Enhanced Graphics Adapter EGAD Education General istration Database EGC Enhanced Group Call EGC Equal Gain Combining EGCT Expert Group in Conformance Testing EGP Exterior Gateway Protocol (T/IP-DoD) EGP External Gateway Protocol E-GSM Extended GSM EH Event Handler EH Exception Handling EH External Host EH ISO country code for Western Sahara EHB Extra Half Bright EHC Error Handling Category EHD Expected High Day EHDV Ergonomie et Harmonisation des Dialogues Vocaux EHF Extremly High Frequency (30...300 GigaHertz) EHKP4 Einheitliche Hohere Kommunikations Protokolle Ebene 4 (Unified Higher-Level Control Protocol for Level 4) EHKP5 Einheitliche Hohere Kommunikations Protokolle Ebene 5

EHLD EHLLAPI EHPT EHS EHS EHT EHT EHT EHZ EHZA EI EI EI EI EI EI EI EI EIA EIB EIC EIC EICTS EID EIDE E-IDE EIES EIGRP EIH EII EII EII EIM EIM EIM EIN EIN EIN EIOC EIOP EIP EIP EIP EIP EIP EIR EIR EIR EIR EIR EIR EIRMA EIRP EIRP EIRP EIS EIS EIS EIS

(Unified Higher-Level Control Protocol for Level 5) EKTS Hold Emulator High-Level Language API Ericsson Hewlett-Packard Telecommunications Environmental, Health, and Safety Exception Handling System Exception Handling Team Extremely High Temperature Extremly High Tension (10 kiloVolt...) Einhangezeichen (On-Hook Signal) Einhangezeichen des A-Tln DDOC Section: Engineering Information Emergency Indication Enable Interrupt Error Indication Event Information Expected Integrity External Interface External Interrupt Electronic Industries Association (USA) Ethernet Interface Board Equipment Installers Code Ethernet Interface Card ENET Integrity Check Traffic Simulator Endpoint Identifier Enhanced Integrated Drive Electronics Enhanced IDE Electronic Information Exchange System (CCA/VTS) Enhanced Interior Gateway Routing Protocol Error Interrupt Handler Early Industry Interaction Electronic Image Industry European Information Infrastructure Errored Interval Monitor Ethernet Inverse Multiplexer External Interface Module Ethernet Interface Node European Informatics Network European Information Network Enhanced Input/Output Controller Enhanced International Operator Position Electronic Image Processing Equipment Installation Procedure Ethernet Interface Paddle Board Extended Instruction Pointer Extended Internet Protocol Engineering Information Report Equipment Identification Equipment Identification Equipment Identity Excess Information Rate Excessive Information Rate European Industrial Research Management Association Effective Isotropic Radiated Power Equivalent Isotropic Radiated Power Equivalent Isotropically Radiated Power Electronic Information Systems Emulator Interface Specification Executive Information System Expanded Inband Signaling

EISA EISCAT EISP EISSC EIT EIU EIUF EIV EJ EJB EJOB EKBCEB EKDNBB EKE E-KEY EKICB EKSRTB EKTS EKTS EKTS EKTSAM EKUBB EL EL EL EL EL EL EL EL EL EL EL ELA ELAN ELAN E-LAN ELC ELCB ELCM ELCOM ELD ELEPL ELF ELF ELF ELF ELF ELF ELF ELLC ELMS ELN ELOBA ELOT ELOT ELP ELPP ELR ELS

Extended Industry Standard Architecture European Incoherent SCATter facility Enhanced ISDN Signaling Preprocessor Executive Information Systems Steering Council Encoded Information Type Ethernet Interface Unit European ISDN s Forum Encryption Initialization Vector Electronic Journalism Enterprise JavaBeans European t Optical Bistability Project EKTS Bridged Call Exclusion Billing Records EKTS Directory Number Bridging Billing Records End System Key Exchange Expected KEY EKTS Intercom Calling Billing Records EKTS Station Ringing Transfer Billing Records Electronic Key Telephone Service Electronic Key Telephone Set Electronic Key Telephone System EKTS Analog Member EKTS Bridging Billing Records Echo Loss Electro Luminescence Electroluminescent Electronic Library Element Layer ELevation Encode Level Engineering Letter Erase in Line Erase Line Exchange Line ELektroAkustik Emulated Local Area Network European Local Area Network Extended Local Area Network Exchange Line Capacity Earth Leakage Circuit Breaker Enhanced Line Concentrating Module Electrical Communication (periodical) Enhanced Line Drawer Equal Level Echo Path Loss Entry Leadership Forum Error Logging Facility Executable and Linking Format Extensible Linking Format Extension Language Facility Extremely Low Frequency Extremely Low Frequency (3- 10 kHz) Enhanced Logical Link Control Element Layer Management System Essential Line Events, Logs, OMs, Billing, Alarms Hellenic Organization for Standardization Hellenic Organization for Standardization (GR) Encode Level Point Enhanced Link Peripheral Processor Earth Loop Recall Entry Level Solution

ELSEC ELSI ELT ELT ELT ELV ELV ELW EM EM EM EM EM EM EM EM EM EM EM EM EM EM EM EMA EMA EMA EMA EMACS Emacs EMAG email EMAIL EMAU EMB EMBARC EMBC EMC EMC EMC EMC EMD EME EMERALD EMF EMF EMF EMF EMF EMF EMG EMI EMI EMI EMI EMIC EMIRTEL EMK EML EML eMLPP

Electronic Security Extra Large Scale Integration Emergency Locating Transmitter Emergency-Load-Transfer signal Extension Load Tape Edit Level Video Electrical Low-Voltage Editable List Widget E&M Edit Message Electromechanical Electromigration Electronic Mailing Element Management Element Manager Emphasis (HTML tag) Emulate Coprocessor Emulation End of Medium Engineering Manual Enterprise Module Environment Monitor Error Monitoring Electronic Mail Association (USA) Electronic Messaging Association Enterprise Management Architecture (DEC) Excellence! Maturity Assessment Editing Macros Extensible Macro-Customizable Self-Documenting Editor ETSI MIS Advisory Group Electronic Mail Electronic MAIL Ethernet Media Access Unit Extended Memory Block Electronic Mail Broadcast to a Roaming Computer European Molecular Biology Conference Electromagnetic Compatibility Embedded Maintenance Channel Enhanced Multipurpose Cabinet Equipment Manufacture Code Edelmetall Motor Drenwahler (Analog Mechanical Switch) Earth-Moon-Earth radio path Enhanced Measurement for Early Risk Assessment of Latent Defects ElectroMagnetic Field Electromotive Force Enhanced Metafile Enhanced Metafile Format Environment Manager Function Event Management Framework Environment Manager Global Electromagnetic Interference Enable Manual Input Exchange Message Interface External Memory Interface ESTU Module Interface Card Emirates Telecommunications Corporation Emergency Key Element Management Layer Expected Measured Loss Enhanced Multi-Level Precedence and Preemption

EMM EMM EMM EMM EMMI EMMS EMN EMP EMPC EMPC EMR EMR EMR EMRLD EMRP EMS EMS EMS EMS EMS EMS EMS EMS EMS EMS EMS EMS EMS EMSOG EMSS EMT EMT EMU EMU EMUG EMUG EMV EMW EMWAC EN EN EN EN EN EN ENAC ENAC ENADS ENB ENC ENC EN ENDB ENDEC Endwrd ENE ENET ENF ENFIA ENG

Entitlement Management Message ESTU Master Module Event Measurement Mapping Expanded Memory Manager Electrical Man Machine Interface Electronic Mail and Messaging Systems Enterprise Meeting Notice Electromagnetic Pulse Enhanced Multiprotocol Controller Enhanced Multi-Purpose Controller ElectroMagnetic Radiation ElectroMechanical Relay Exchange Message Record Emergency Recovery Log Database Effective Monopole-Radiated Power Electronic Mail System Electronic Messaging Service (e-mail) Element Management System (ATT) Engineering Modelling System (CAD/CAE) Enhanced Maintenance Server Enterprise Management Systems Enterprise Messaging Server Equivalent Series Resistance Event Management Service (DSM-Tandem) Expanded Memory Specification Expanded Memory System Express Mail Service Extended Memory Standard EUTELSAT Multiservice Systems Operations Guide Electronic Message Service System Emulator Trap Environment Manager Type Economic Monetary Union Element Management Unit European MAP Group European MAP s' Group Europay, MasterCard, Visa Executive Message Waiting European Microsoft Windows NT Academic Centre Edit Notification Enable Entry European Norm European Standard (CEN/CENELEC) Exchange Node Engineering Network istration Center European Network and Application Center Enhanced Network istration System Effective Noise Bandwidth Electronic Navigational Chart ENET Cabinet Enhanced Network Central Processor ENET Database Audit Encoder/Decoder indicates last code word of a packet Enterprise Network Event (MAP/TOP) Enhanced Network Exchange and Network Features (CEPT) Exchange Network Facilities for Interstate Access Electronic News Gathering

ENG ENG ENHCWT ENI ENIAC ENIAC ENIP ENL ENMC ENO ENOB ENQ ENR ENR ENS ENS ENS ENS ENS ENSO ENSS ENSS ENT ENT ENUM ENV ENV ENV EO EO EOA EOB EoB EOB EOBS EOBS2

Electronic News Gathering Engaged Enhanced Call Waiting Enable Interrupts Electronic Numerical Integrator Analyzer and Computer Electronical Numerical Integrator & Calculator (Mauchly 1946) Exception-Time Next Instruction Pointer Number of LSBs to be compared when operating outside home network Enterprise Networks Management Center Enable Output Effective Number Of Bits Enquiry Emergency Number Routing Enterprise Network Roundtable Enterprise Naming Service Enterprise Network Services Enterprise Network Switch European Nervous System Event Notification Server ETSI National Standardization Organization European Navigation Satellite System Exterior Nodal Switching Subsystem Enter Entry Enumeration Environment European Pre-Norm European Pre-Standard (CEN/CENELEC) Elementary Objectives End Office End of Address End of Block End of Bus End of Business Engineering and Operations in the Bell System, First Edition, 1997 Engineering and Operations in the Bell System, Second Edition, 198

EOC EOC eoc EOC EOC EOC EOC EOD EOD EOD EOF EOF EOF EOF EOF EOF1 EOF2 EOFB EOH EOI EOI EOI EOJ

Edge Of Coverage Embedded Operations Channel Embedded Operations Channel End Of Card End of Contents End Of Conversion Physical EOC Channel End of Data End of Dialing End Office Display End of Data Set Trailer Label End of File End Of Form End of Frame Enterprise Objects Framework End-of-Data Set Label 1 End-of-Data Set Label 2 End of Facsimile Block End Of Heading End Of Identity (IEEE-488 Bus Signal) End of Image End of Information End of Job

3

EOL EOL EOL EOL EOLR EOM EOM EON EOP EoP EOP EOP EOP EOP EOP EOPS EOPS EOQ EOQC EOR EOR EOR EOR EOR EOS EOS EOS EOS EOS EOS EOSR EOT EOT EOT EOT EOT EOTC EOTC EOUG EOV EOW EOW EOW EP EP EP EP EP EP EP EP EP EP EP EPA EPA EPA EPA EPAC EPB

End Of Letter End of Life End of Line End of Option List Electrical Objective Loudness Rating Electro-Optical Module End of Message End Of Number Early Outpulsing End of Optional Parameters End of Outpulsing message End Of Procedure End of Process End of Program End of Pulsing Enhanced Operator Position System Extended Operator Position Service European Organization for Quality European Organization for Quality Control End of Record End of Recording End Of Reel End Of Retransmission End Of Run Electrical Over-Stress End Of Scan End of Selection message End of Statement Enhanced Operator Services Extended Operating System Expanded Operator Services Record End of Tape End of Tone End Of Trace (Digital Storage Scope) End of Transmission End Office Tandem European Organization for Testing and Certification European Organization for Testing and Certification European Oracle Group End of Volume Engineering Order Wire Engineering Orderwire Enhanced Outward WATS Emulation Program End Point Equipment Practice Equipment Practice (CEPT) ESA Processor Estimated Position (ship-navigation) ETSI Project Europäisches Parlament European Parliament Extended Play (discs) External Priority End of Protected Area Enhanced Performance Architecture (MAP) Environmental Protection Agency Equilibrium Point Analysis Extended Privilege Attribute Certificate Energy-Pulse Bonding

EPBX EPC EPC EPC EPCI EPD EPDB EPDF EPFS EPG EPHOS EPI EPI EPIC EPIC EPIC EPIC EPIRB EPL EPL EPL EPLD EPLD EPN EPNR EPO EPO EPOC EPODD EPOS EPOSR EPOTS EPP EPP EPPA EPPV EPR EPRCA EPROM EPS EPS EPSCS EPSF EPSI EPSR EPSS EPT EPV EQ EQ EQ EQAC EQC EQE EQI EQI EQL EQM EQN EQPEC

Electronic Private Branch Exchange Earth Potential Compensation Electronic Power Conditioner Ethernet Paddle Card Enhanced Programmable Communications Interface Early Packet Discard Exchange Production Database Embedded PDF Electronic Position Fixing System (ship-navigation) Electronic Program Guide European Procurement Handbook for Open Systems Error Power Indicator External Presentation Interface Electronic Privacy Information Center Emulating and Programmable Intergrated Circuits (RCA Inc.) Explicitly Parallel Instruction Computing Extended PCM Interface Controller Emergency Position-Indicating Radio Beacon Echo Path Loss Effective Privilege Level Electronic Price Label Electrically Programmable Logic Device Erasable Programmable Logic Device End Point Number Expanded Private Network Record Electronic Payment Order Error Performance Objective Embedded Protected Operations Channel Electronic Publishing: Origination, Dissemination and Design Electronic Point Of Sale Expanded Private Operator Services Record Enhanced POTS Enhanced Parallel Port ETSI Partnership Project European Public Paging Association Enhanced Pay-Per-View Ethylene Propylene Rubber (Cable Insulation) Enhanced Proportional Rate Control Algorithm Erasable Programmable Read-Only Memory Electronic Publishing Services Ltd. Encapsulated PostScript Enhanced Private Switched Communications Service Encapsulated PostScript Format EPS Interchange Exception-Time Processor Status Experimental Packet-Switching Service (UK) Engineering/Provisioning Tool Entry Point Vector Equal To Equalizer Equipment Equal Access Equipment Class Equalization Enable Equipment Identifier ETSI Quality Index EQuaLiser ETSI Quality Management (programme) Equation Equipment Product Engineering Code

eqpt EQR EQTV EQU EQU_ACC EQWT ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER PDU ERA ERAM ERASMUS ERB ERBIS ERC ERC ERC ERC ERC ERCC ERCO ERCS ERD ERD ERE ERF ERG ERI ERL Erl ERL ERLC ERLE ERLL ER-LSP ERM ERM ERM ERM ERMES ERMES ERMES ERMF ERN ero ERO

Equipment Electronics Quality Registry Extended Quality Television Equate Equal Access Equippage, Wrong Type Echo Replica Elastic/Rigid Electronic Radiology Engineering Route Entity Relationship Entity-Relationship Equipment Ericsson Review (periodical) Error Event Exception Report Explicit Rate Explicit Route Extended Range ISO country code for Eritrea Error Data Protocol Unit (OSI-TP) Entity Relationship Attribute Egress RAM EC Actions Scheme for the Mobility of University Students Emergency Ringback Einheitliches rechnergestutztes Betriebsinformationssystem (OAM application for providing on-line documentation) Electrical Rule Checking European Radio Commission European Radiocommunications Committee Explicit Rate Control Explicit Route Control ERror Checking and Correction Entry Rules Control Object (CCA/VTS) Extended Reference Concrete Syntaxes Emergency Recovery Display Entity Relationship Diagram Extended Regular Expression Event Reporting Function Electro RetinoGram Exception Response Indicator (SNA) Echo Return Loss Erlang ERror Line Extended Range Line Card Echo Return Loss Enhancement Enhanced Run Length Limited Explicitly Routed Label-Switched Path EMC and Radio Spectrum Matters Erasure Mode Explicit Rate Manager Explicit Rate Marking European Radio Message System European Radio Messaging Service European Radio Messaging System Event Report Management Function Explicit Route Number (SNA) Entity Reference Open European Radio Office

ERO ERO EROS EROS EROW ERP ERP ERP ERP ERP ERP ERR ERR ERR ERR ERS ERS ERS ERS ERS ERS ERS ERT ERT ERT ERT ER-TPOU ERTS ERU ERV ERWM ERWT ES ES ES ES ES ES ES ES ES ES ES ES ES ES ES ES ES ESA ESA ESA ESA ESA ESA ESA ESA ESA ESA ESAC

European Radiocommunications Office Explicit Route Object Emitter-Receiver for Optical Systems European Ranging Observations to Satellites Executive Right of Way Ear Reference Point Effective Radiated Power Enterprise Resource Planning Equivalent Radiated Power Error Recovery Procedure Estimated Retail Price Error Error message Protocol Data Unit Error Response to end of Retransmission Electronic -Sender Emergency Reporting System Engineering Requirement Specification European Remote sensing Satellite Event Reporting System Existential Refusal Set Extended Ring Search Emergency Response Team Enhanced Remote Thumbwheel Estimated Repair Time Event Temporary Error Transport Data Protocol Unit Error Rate Test Set Emergency Recovery Utility Enhanced Roamer Validation Expensive Route Warning Message Expensive Route Warning Tone Earth Station Echo Suppressor Edit Style Emergency Service Emergency Services End Station End System Enhanced Security Errored Second Errored Seconds ETSI Secretariat European Standard Exception Summary Expanded Spectrum Expert System Extra Segment ISO country code for Spanish State (Spain) Editing and Standards Approval department (ETSI) EFTA Surveillance Authority Emergency Services Adjunct Emergency Stand Alone End of Selected Area Enterprise System Architecture (MVS/IBM) European Space Agency European Statistics istration Extended Service Area Extended System Architecture Electronic Surveillance Analysis Center

ESAC ESAC ESAC ESAT ESAT ESAT ESB ESB ESBC ESBC ESBC ESBT ESC ESC ESC ESC ESC ESCA ESCLIST ESCO ESCON ESCORT

Electronic Switching Assistance Center Electronic Systems Assistance Center Emergency Stand-Alone Circuit Employee Satisfaction Employee Satisfaction Action Team Employee Satisfaction Team Emergency Service Bureau European Standardization Board Emergency Services Bureau Capability Emergency Services Bureau Compatibility Enhanced Single-Board Computer Emergency Services Bureau Terminability Echo Suppressor Control Emergency Services for China Engineering Service Circuit Enhanced Services Complex Escape Electron Spectroscopy for Chemical Analysis Escape List Emergency Service Central Office Enterprise Systems CONnection EBU system for the classification of radio and television programm

es ESCR ESD ESD ESD ESD ESD ESD ESD ESD ESD ESD ESDI ESDI ESDN ESDS ESDS ESE ESEL ESF ESF ESF ESF ESF ESF ESG ESG ESH ESH ESH ESHO ESI ESI ESI ESI ESI ESI ESI

Elementary Stream Clock Reference Electronic Software Delivery Electronic Software Distribution Electrostatic Discharge Electrostatic Sensitive Device End of Stream Delimiter End System Designator Errored Seconds Daily Threshold European Standards Database (CEN) Extended State Diagram External Symbol Dictionary Enhanced Small Device Interface Enhanced Small Disk Interface Enhanced Secondary Directory Number Electrostatic Discharge Sensitive Entry Sequenced Data Set Encapsulated Software Entities Electronic Shelf Edge Labelling Edge Spread Function (Imaging) European Science Foundation Extended Super Frame Extended Superframe Extended Superframe Format (ATT) Extended Superframe Format (Digital Datacommunications) Emergency Service Group Emergency Services Group Embedded Shell End System Hello Errored Seconds Hourly Threshold Extended Soft Hand-Off End Station Identifier End System Identifier Enhanced Service Initiative Environment Science Index Equivalent Step Index (Profile) (Optical Data Communications) Extended Source Index External Synchronisation Input

ESI External Synchronization Interface ESID Effective Segment ID ESIG European SMDS Interest Group ESIG European SMDS Interest Group ESIOP Environment-Specific Inter-ORB Protocol ESIS Element Structure Information Set ESIS End System to Intermediate System ES-IS End System to Intermediate System protocol ESL Essential Line ESL Essential-Service Line ESLAM Essential Line for Analog Member of EKTS ESLIC Enhanced Subscriber Line Interface Circuit ESLUA European SL-1/Meridian 1 s Association ESMA Expanded Subscriber Carrier Module Access ESME External Short Message Entity ESMR Enhanced Specialized Mobile Radio ESMR Extended Specialized Mobile Radio E-SMR Enhanced Specialized Mobile Radio ESMS Echo Suppressor Measuring Set ESMTP Extended SMTP ESMTP Extensions to SMTP ESMU Enhanced Subscriber Carrier Module Urban ESN Electronic Serial Number ESN Electronic Switched Network ESN Electronic Switching Network ESN Emergency Service Number ESN Enhanced Services Network ESO Echo Suppressor, Originating ESO Emergency Service Order ESO European Space Observatory (in Chile) ESO European Space Organization ESO European Standardization Organization ESO External Synchronisation Output ESOC European Space Operation Centre ESOG EUTELSAT Systems Operations Guide ESP Employee Services Portfolio ESP Encapsulating Security Payload ESP End of Speaker Identification ESP Engineering Services Practices ESP Enhanced Serial Port ESP Enhanced Service Provider ESP Enhanced Services Protocol ESP Enhanced Services Provider ESP Essential Service Protection ESP Estimated Sale Price ESP Extended Stack Pointer ESPA Equipment Space Planning Algorithm ESPA European Selective Paging Association ESPC No. 1 ESS Stored Program Control ESPCS Enhanced Private Switched Communications Service ESPG Equipment Space Planning Guideline ESPN Entertainment and Sports Programming Network ESPP Enhanced Service Provisioning Plarform ESPRIT European Strategic Programme for Research and development in Infor mation Technology ESR Equivalent Series Resistance ESR Errored Second Ratio ESR Event Service Routine ESR Extended Self-Contained Ring ESR Extended Spectral-Response

ESRB ESRO ESS ESS ESS ESS ESS ESSE ESSI EST EST EST EST EST EST EST ESTEC ESTELLE ESTO ESTS ESTU ESU ESU ESUG ESV ESW ESWL ESZ ET ET ET ET ET ET ET ET ET ET ET ET ETA ETA ETAC ETACS ETACS Etag ETAS ETB ETC ETC ETCCC ETCI ETCO ETCOM eement Group) ETCOM otocols ETDC ETDM ETDMA

Entertainment Software Ratings Board Efficient Short Remote Operations Electronic Switching System (Bell) Enhanced Surveillance Services Environmental Stress Screening European Standardization System Extended Service Set Embedded Systems Software Environment Enhanced Synchronous Serial Interface Eastern Standard Time Echo Suppressor Terminal Echo Suppressor, Terminating Enhanced Service Testing Environmental Stress Testing Establish Establish hunt or call pickup group European Space research and TEchnology Centre Extended finite State Transition Language Electronic Systems Technology Office Echo Suppressor Testing System Enhanced Services Test Unit Empty Signal Unit Exhange Signaling Unit European Smalltalk 's Group Extended State Variable Embedded Software Extracorporeal Shock-Wave Lithotripsy (Medical) Emergency Service Zone Eject Tape Elapsed Time Electrical Typewriter Emerging Technologies End Terminal Engaged Tone Ephemeris Time Exchange Terminal Exchange Termination Exchange Terminator Extension Type ISO country code for Ethiopia Enhanced Terminal Access Estimated Time of Arrival Electronic Technical Assistance Center Extended Total Access Communications System Extended Total Access System End Tag Emergency Technical Assistance Service End of Transmission Block Electronic Toll Collection Enhanced Throughput Cellular European Testing and Certification Coordination Council Electro-Technical Council of Ireland (IRL) European Telecommunications Consultancy Organization European Testing & Certification for Office and Manufacturing (Agr European Testing for Certification for Office and Manufacturing Pr Electronic Traffic Data Converter Electrical Time Division Multiplexing Extended Time Division Multiple Access

E-TDMA E-TDMA ETE ETE ETFCC ETFTP ETG ETG ETH ETH ETHERIP ETI ETL ETLA ETM ETMS ETN ETNA ETNF ETNO ETNO etno ETNS ETO ETOM ETP ETP ETPS ETR ETR ETR ETR ETR ETR ETR ETS ETS ETS ETS ETS ETS ETS ETS ETS ETS ETS ETS-4 ETSA ETSAG ETSBES ETSDU ETSI ETUC ETV ETV ETW ETX EU EU EU

Enhanced TDMA Extended TDMA End-To-End Equivalent Telephone Erlangs Elapsed Time From Carrier Connect Enhanced Trivial File Transfer Protocol EWOS Technical Guide EWOS Technical Guide (Swiss Federal Institute of Technology) Eidgenossische Technische Hochschule Ethernet within IP External Traffic Indicator Effective Testing Loss Extended Three-Letter Acronym Element Test and Maintenance Enhanced TOPS Message Switch Electronic Tandem Network Ericsson Transport Network Architecture European Telecom Numbering Forum Association of Public Telecommunications Network Operators European Telecommunications Network Operators' Association micro (10-6) European Telephony Numbering Space Equalized Transmission Only Electron-Trapping Optical Memory Event Transition Procedure Expertise Training Plan Enhanced Toll Position System Early Token Release Electronically Tuned Receiver Enhanced Tip/Ring Estimated Time of Restoral Estimated Time to Restore ETSI Technical Report European Technical Report Electronic Tandem Switch Electronic Tandem Switched Electronic Tandem Switching Electronic Telephone Set Electronic Translator System Enhanced Time Switch Enterprise Technology Services Equivalent Time Sampling European Telecommunication Standard (ETSI) European Teleprocessing Systems Executable Test Suite Electronic Tandem Switch-4 Wire European Telecommunication Services Association European Telecommunications Standards Awareness Group Electronic Tandem Switching Billing Enhancements Expedited Transport Service Data Unit European Telecommunications Standards Institute European Trade Union Confederation Educational Television External Testcase Verification Enhanced Two-Way WATS End of Text End European Union (new name for EEC) Execution Unit

EU EUC EUC EUCATEL

External End- Extended EUropean

Update Control Unix Code Conference of Associations of TELecommunication industrie

s EUCL EULA EUM EUMETSAT EUN EUNET EUPIC EUR EURATOM EUREKA EUREKA EUREKA EURESCOM nications EURO- TECH EUROCAE EUROCONTROL EUROTECH EUSIDIC EUT EUT EUTELSAT EUTELSAT EUUG EUV eV eV EV EV EV EV EV EVE EVE EvI EVK EVL EVM EVP EVP EVRC EVS EVS EVS EVSB EVT EVUA EVX EW EWAL EWB EWE EWG EWI EWL

End Common Line End- License Agreement Extended Unsuccessful Backward Setup Information message EUropean METeorological SATellite system External Update Notification European Unix NETwork End 's Presubscribed Interexchage Carrier End Role EURopean ATOMic energy community Europäische Forschungskoordinationsagentur EURopean initiative for collaborative research European Research Coordination Agency European Institute for Research and Strategic Studies in Telecommu Technisches Komitee des EACEM EURopean Organisation for Civil Aviation Equipment European Organisation for the Safety of Air Navigation EACEM Technical Committee European Association of Information Services Equipment Under Test Equipment Under Test European Telecommunication Satellite Organization European Telecommunications Satellite Organization European UNIX Group Extreme Ultra Violet Electron Volts electronVolt Encoding Variation Environment Variable Equipment View Event Extreme Value European Videoconference Experiment Extreme Value Engineering Event Information Evaluation Kit Evolution Rule Language Event Management Layer EnVeloPe Executive Vice President Enhanced Variable Rate Coder Enhanced Voice Services Event Services Expense Vouchering System Extensible VERSAbus Exception Vector Table European Virtual Private Network s Association Electronic Voice Exchange Electronic Warfare Enhanced WATS Access Line ETAS Warning Bulletin Engineering Workstation Environment Europäische Wirtschafts Gemeinschaft E-mail Waiting Indication Exchange Work List

EWOS EWOS EWP EWP EWP EWS EWS EWS EWSD

European Workshop for Open Systems European Workshop on Open Systems Electronic White Pages ETSI Work Programme Extended Warranty Plan Electronic Work Station Elektronisches Wahlsystem (Siemens electronic switching system) ESTELLE Work Station Elektronisches Wahlsystem Digital (Siemens digital switching syste

m) EWSD Elektronisches Wahlvermittlungssystem Digital (Siemens digital swi tching system) EWSM Elektronisches Wahlsystem, MAN (Electronic Switching System, MAN) EWT Estimated Work Time EWTN Eternal Word Television Network EX Execute EX Exercise EX Exit Notification EX EXpedited data EX Instruction Execution EXB Extension Bridging EXC Exception ExCA Exchangable Card Architecture EXCA Exchangeable Card Architecture EXCL Exclusive EXCON Expand and Concentrate EXD MDII: Address Signaling Error- Extra Digit EXE Executable EXE Executable File EXE EXEcute EXEC Executable EXEC Execute EXEC EXECute EXECOM ETSI Executive Committee EXIP Exception-Time Execution Instruction Pointer EXM Exit Message EXND External Node EXP EXPonential function EXP Exports file EXP MDII: Address Signaling Error- Extra Pulse EXR Exception Request EXRL Exception Rate Line EXRQ External Request EXT Extension Ext Extension EXT Extension File EXT Extension Shelf EXT External EXT External Alarms EXT SRC Extended Search EXTC Extend Call message ExT-ID Exchange and Trunk Identity EXTN Extension EXTND Extended ExTS Executable Test Suite EYP Electronic Yellow Pages eZIF Electrically-Activated Zero Insertion back to top|0-9|A|B|C|D|E - F -

G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z F F F F F F F F F F F F F F F f F F F F&A F/B F/RSC F/SSS F/W F/W F/X f1 f2 F2F F2XM1 FA FA FA FA FA FA FA FA FA FA FA FA ge) FA FA FA FA FA FA FA FA FA FA FA FAA FAA FAA

"Final character" ed by ISO 2022 registration authority Failed Farad Farenheit Fellow Final Final bit Fixed Fixed length Flag Flow Forecast Forward Compatibility Framing French Frequency FTAM Service Fully Associated (link) Future Facilities and Equipment System Fuse Block Fiber Remote Switching Center Facility/Service Selective Signaling Firmware Framework Effects frequency 1 frequency 2 Face to Face FP Compute 2**x- 1 (80x86 inst) FachAusschuß Facility Agent Factory Automation Fast Acting Fast Answer Fax Adapter Feature Activation Feature Activation information element Feature Activator Feature Activators Fermeldeampt (Data Processing Regional Area) Fernmeldeamt (Telecommunication Office) (Telecommunications Exchan File First Available Foreign Agent Forwarding Agent Frame Address Frame Alignment Framework Technical Advisory Fremdanschaltung (ISDN out-of-area connection) Full Allocation Functional Area Fuse Alarm Facility Accepted Message Federal Aviation istration Federal Aviation Agency (USA)

FAA FAAR FAC FAC Fac FAC FAC FAC FAC Fac i FACBC FACCH FACCH/F FACCH/F FACCH/H FACCH/H FACD FACD FACE FACET FacI i FACID FACREQ FACS FACS FACSFG FACT FACT FACT FAD FAD FADN FADS FADSHADS FADU FAF FAFI FAFI FAFIDN FAFIHMBS FAFISHS tion Set FAHMBS FAI FAIGEN FAIM FAIPOC FAIRSS FAISUP FAL FAM FAM FAM FAM FAM FAMAE FAME FAMOS FAMOS

Forced Agent Availability Fixed Automatic Alternative Routing Facilities istration Center Facility Facility Facility Message FACsimile Fan Alarm Card Final Assembly Code Facility Indicator Facility Number Bearer Capabilities Fast Associated Control Channel Fast Associated Control Channel/Full Rate Full rate Fast Associated Control CHannel Fast Associated Control Channel/Half Rate Half rate Fast Associated Control CHannel Facility Accepted message Foreign Area Customer Dialing Field-Alterable Control Element Flexible Advanced Capacity Engineering Tool Facility Information Indicator Facility Number Facilities Request Facilities Assignment and Control System Facility istration Control System Facility Number/Simulated Facility Groups Association BRI Feature Activator Indicator Trigger First Application Conformance Test Functional Auditable Combined Testing Facility Access Digroup Facility Deactivated Message Feature Activators Per DNCT Force istration Data System FADS Hotel istration Data System File Access Data Unit (FTAM) Facility Failure Feature Activator/Feature Indicator Paired Feature Activators-Feature Indicators Paired Feature Activators-Feature Indicators Per DNCT Paired Feature Activators-Feature Indicators Per Hunt Make Busy Application Set Paired Feature Activators-Feature Indicators Per Stop Hunt Applica Feature Activators Per Hunt Make Busy Application Set Facility Information Message FAFI Generic Dialog Frameworks with Architectural Implementations FAFI Programming Outside the Context of a Call FAFI Recognition and Starter Service FAFI Status Update Frame Alignment Loss Fast Access Memory File Access Method Final Address Message Forward Address Message The Family Channel Facility Agent MAE Fast Multiphase Excitation (Nuclear Magnetic Resonance) Floating-Gate Avalanche Metal Oxide Semiconductor Floating-gate Avalanche MetalOxide Semiconductor

FAN FANI FANP FANS FAOZ change) FAP FAP FAP FAQ FAR FAR FAR FAR FARnet FARS FAS FAS FAS FAS FASHS FASIC FAST FAST FAST FAST FAST FAST FASTAR FASTPLA FAT FAT FAT FAT FAT FAT FAT FAW FAX Fax FAXoIP FAZAM FB FB FB FB FBA FBA FBAS FBC FBC F-BCCH FBD FBD FBD FBE FBG FBPSM FBR FBS

Flexible Access Network Flexible Automatic Number Identification Flow Attribute Notification Protocol Future Air Navigation System Fernmeldeamt-Ordnungszahl (Identification of Telecommunications Ex Feature Alteration Point Feature Appearance Format and Protocol Frequently Asked Questions Facility Request Message False Alarm Rate Fixed Alternative Routing Flash during Audible Ringing Utility Federation of American Research Networks Federal Acquisition Regulations Facility Associated Signaling File Access Subsystem Frame Alignment Signal Frame Alignment Symbol Feature Activators Per Stop Hunt Application Set Function- and Algorithm-Specific Integrated Circuit Fairchild Advanced Schottky TTL Family-oriented Abstraction, Specification, and Translation Federation Against Software Theft (UK) First Application System Test Forecasting and Assessment in Science and Technology Frequency Agile Sharing Technology Fast Automatic Restoration FAST Programmable Logic Array (Fairchild Semicond.Inc) File Allocation Table File Allocation Table (DOS) Final Acceptance Testing Foreign Area Toll Foreign Area Translation Foreign Area Translator Framework Architecture Team Frame Alignment Word Facsimile Facsimile Facsimile over Internet Protocol Full Armor Zero istration FrameBuilder Frequency correction Burst Frequency Correction Burst Fuse Block Call Forward Busy Allowed Fair Buffer Allocation Farbart, Bildinhalt, Austast, Synchron(-Signal) Facilities-Based Carrier Facility Bearer Channel Fast Broadcast Control Channel Call Forward Busy Denied Full Business Day Functional Block Diagram Frame Bonding Equaliser Foreign Battery or Ground Fixed Block Pool Store Manager F-Bus Terminator/Repeater Flexible Bandwidth Service

FBSM FBSOA FBSS FBT FBus Fbus FBUS F-BUS FC FC FC FC FC FC FC FC FC FC FC FC FC FC FC FC FC FC FC FC FC3 FC4 FCA FCA FCA FCA FCAPS FCB FCB FCB FCB FCC FCC FCC FCC FCC FCCH FCCH FCCH FCCSET ology FCD FCD FCD FCDB FCE FCEL FCF FCF FCF FCFA igger

File Based Service Management Forward Biased Safe Operating Area (Power Semiconductors) Full Band Spread Spectrum Fused Biconic Taper Frame Bus Frame Bus Frame Transport Bus Frame Transport Bus Facility Code Facility Component Fast Channel Fast Class Feature Close Feature Control Control Fibre Channel Final Compile First Call Flex Call Flexible Calling Flow Control Frame Control Frame Count Function Code Functional Call Functional Capability Functional Component Functional Configuration Flexible Call 3 Failure Condition Feature Code Access Fibre Channel Association Fixed Channel Allocation Fixed Channel Assignment Fault, Configuration, ing, Performance, Security Management Feature Control Block File Control Block Flexible Calling Billing Records Frequency Coordination Board Federal Communications Commission (US) File Carbon Copy Flexible Call Conference Flow Control Consortium Framework Capabilities Capture Flexible Calling Consultation Hold Frequency Correction CHannel Frequency Correction Channel Federal Coordinating Committee for Science, Engineering, and Techn Facsimile Coded Data Flexible Call Drop Public Feature Code Trigger Feature Control Data Base Front End Control Element Fixed Cellular Facsimile Control Field Fast Control Field Flexible Call Forwarding Public Feature Code Trigger and BRI Feature Activator Indicator Tr

FCFS FCG FCHD FCHS FCI fci FCI FCI FCI FCIF FCIFI FCIP FCL FCL FCM FCM FCM FCMP FCO FCO FCOT F F FC-PH FN FCR FCS FCS FCS FCS FCS FCS FCS FCS FCST FCT FCT FCTS FCU FCVC FCX FD FD FD FD FD FD FD FD FD FD FD FD FD FD FD&R FD/PSK FDA FDA FDB

First-Come First-Served False Cross or Ground Flexible Calling and ISDN Hold Display FP Change Sign (80x86 inst) Flexible Calling Feature Interactions Flux Changes Per Inch Forward Call Indicator Forward Call Indicators Forward Congestion Indication Flexible Computer Interface Format Flexible Calling Invoke from Idle Forward Call Indication Parameter Fibre Channel Loop Fixed Channel List Fabric Control Message Functional Call Management Signaling Traffic Flow Control Messages Functional Component Management Plan FiberCenter OM Acquisition Field Change Order Fiber Central Office Terminal Ferry Control Protocol Fibre Channel Protocol Fibre Channel Physical and Signaling Interface Flow Control Parameter Negotiation Function Code Facsimile Communications System Fast Circuit Switching Federation of Communications Services (UK) Fibre Channel Standard File Control Services First Customer Shipped Flexible Charging System Frame Check Sequence (HDLC, LAPB) Forecast Field-Controlled Thyristor (GTO-Thyristor) Flexible Call Transfer Ferry Clip Based Test System Floating-Point Conversion Unit Flow Controlled Virtual Channel Flexible Calling Transfer FACT Done Family of Documents Fault Detection Fault Display Feature Description File Descriptor File Directory Finished Dialing Floppy Disk Formal Description Format Discriminator Frequency Division Full Duplex Functional Description Fault Detection and Recovery Frequency-Differential/Phase Shift Keyed Feature Data Area Food and Drug istration Feature Data Block

FDB FDB FDBQ FDC FDC FDCT FDD FDD FDD FDD FDDI FDDI FDDI FDDI FDDI/DAX FDDI-II FDDSF FDE FDE FDE FDE FDE FDE FDER FDF FDF FDF FDH FDHP FDI FDI FDI FDIS FDK FDL FDLC FDM FDM FDM FDM FDMA FDN FDN FDN FDN FDN FDNR FDNZ FDOC FDOC FDOS FDPC FDPLL FDR FDS FDT FDT FDT FDT FDT

Feature Database Functional Description Block Feature Data Block Queue First Data Corporation Floppy-Disk Controller Forward Discrete Cosine Transform Fault Detection Driver Floppy Disk Drive Frequency Division Duplex Frequency Division Duplexing Fiber Distributed Data Interconnect Fiber Distributed Data Interface Fibre (Optic) Distributed Data Interface Fibre-Distributed Data Interface Fibre Distributed Data Interface Dual Attach FDDI II Field Direction-Delay-Spread Function Facility Deactivated message Feature Designer Environment Feature Development Environment Frame Development Environment Frequency-Domain Equalization Full Duplex Ethernet Field Data Entry Rules (CCA/VTS) (Optical) Fibre Distribution Frame Fiber Distributing Frame Fiber Distribution Frame Full-Duplex Handshake Full-Duplex Handshaking Protocol Feeder Distribution Interface Fiber Distribution Interface Functional Description Inspection Final Draft International Standard Frame Developer's Kit Facility Data Link FDL Control Feature Description Manual Frequency Division Multiplex Frequency Division Multiplexed Frequency Division Multiplexing Frequency Division Multiple Access Features Denied Fiber Distribution Network Fixed Dialing Number Foreign Directory Name Forward-to Directory Number Frequency-Dependent Negative Resistor First Digit Not Zero Feature Document Focused Destination Overload Control Floppy-Disk Operated System Font Development and Promotion Center Fully-Digital Phase-Locked Loop Frequency Dependent Rejection Fundamental Data Structure File Descriptor Table Formal Description Technique Formal Design Technique Framework Design Team Framework Development Team

FDT FDTD FDTS FDU FDX FDX FE FE FE FE FE FE FE FE FE FE Fe FEA FEA FEAC FEAC FeAfD FEAL FEAM FEAM FEAT FEATSIM FEATSIM FEBE FEC FEC FEC FECG FECN FECV FED FED FED STD FEDIX FEFA FeHAs FEI FELB FELP FEM FEMF FEN FEOFF FEP FEP FEP FEPC FEPO FEPS FEPS FER FER FER FeRAM FERETS

Full Digitone Finite Difference Time-Domain Formal Description Techniques Floppy Disk Unit Full Duplex Full DupleX operation Family of Equipment Far End Finite Element Format Effector Frame Erasure Framing Error Function Element Functional Element Functional Entity FunkEntstörung (ÖVE: FA-FE) Nominal Channel Centre Frequency Finite Element Analysis Functional Entity Action Far End Alarm Channel Far-End Alarm and Control Fetnsprechauftragsdienst (Call Forward to Message-Taking Service) Fast Encipherment Algorithm Format Effector Action Mode Functional Entity Access Manager Feature Feature Simulation Feature Simulator Far End Block Error Forward Error Correction Forwarding Equivalence Class Forwarding Equivalency Class Foetal Electro Cardio Gram Forward Explicit Congestion Notification Far-End Code Violation Field Emission Display Field-Emitter Display FEDeral government STanDard (USA) Federal Information Exchange Far End Failure Fernsprechhauptanschluss (Telephone Main Terminal) Frame Erasure Indication Far-End Loopback Far-End Loop Test Finite Element Methode Foreign Electromotive Force Forsythe-Edwards Notation Far-End Office Fluorinated Ethylene Propylene ("Teflon" Fluorocarbon Resin) Front End Processor Front-End Processor Far End Point Code Far End Processor Outage Facility and Equipment Planning System Fault Event Processing System Frame Erasure Rate Frame Erasure Ratio Frame Error Rate Ferroelectric RAM Foreign Exchange Routine Evaluation Testing System

FERF FERF FERF FES FES FES F-ES FESA FESS FET FET FET fet FETM FEU FEV FEV FeV FEX FEXT FF FF FF FF FF FF ff FF FF&P FFAPI FFC FFDT FFH FFII FFM FFM FFOL FFP FFQ FFRB FFRDC FFRN FFS FFS FFSK FFT FG FG FG FG FG FGA FG-A FGASO FGB FG-B FGBA FGBEO1 FGBEO2 FGBEO3

Far End Receive Failure Far End Reporting Failure Far-end Receive Failure Message Fixed Earth Station Frequency Encoding Signal Frequency Exchange Signalling Fixed End System Forced Emergency Stand Alone Flywheel Energy Storage System Field Engineering Terminal Field-Effect Transistor Field-Effect Transistor Functionally Equivalent To Format Effector Transfer Mode Floating-Point Execution Unit Far End Voice Feature Event Fernsprechvermittlungsbetrieb (Telephone Switching Office) Foreign Exchange Far-End Crosstalk Fast Feature Fast Forward Field Function First-Fit Fixed Filter Flip-Flop Following Form-Feed (ASCII Character) Features, Functions, and Performance File Format Applications Programming Interface Free Format Coding FDDI Full-Duplex Technology Fast Frequency Hopping Future Forum II First Failure to Match Functional Feature Management FDDI Follow-On LAN Features, Functions & Performance Fluid-Flow Queuing Field Failure Review Board Federally Funded R&D Center Four-Fiber Ring Node Fast File System For Further Study Fast Frequency-Shift Keying Fast Fourier Transform Feature Group ForeGround Frame Ground Framework Ground Functional Group Feature Group A Feature Group A Feature Group A Serving Office Feature Group B Feature Group B Feature Group B Area Feature Group B End Office Type 1 Feature Group B End Office Type 2 Feature Group B End Office Type 3

FGBT FGC FG-C FGCS FGD FG-D FGE FG-E FGF FG-F FGL FGND FGR FGW FH FH FH FH FH/SS FHD FHNR FHR FHSS FI FI FI FI FI FI FI FI FI FI FI FI fi FI FIAT FIB FIB FIB FIBO FIBR FIBT FIBX FIC FIC FIC FID FID FID FID FID FID FID FID FID FIDB FIDDI FIDN

Feature Group B Tandem Switch Feature Group C Feature Group C Fifth Generation Computer System Feature Group D Feature Group D Feature Group E Feature Group E Feature Group F Feature Group F Forth Generation (Programming) Language Frame Ground Frame Ground Reference Floor Ground Window Fixed Host Frame Handler Frame Handler function Frequency Hopping Frequency Hopping Spread Spectrum Fixed Head Disk Fixed Nonhierarchical Routing Fixed Hierarchical Routing Frequency Hopping Spread Spectrum Fabric Interface Fabric Interface Facility Information FACT Identified Fault Insertion Feature Indication Feature Indication Information Element Feature Indicator(s) Feature Interaction Format Identifier Format Indicator Function Index Internet country code for Finland ISO country code for Republic of Finland Functional Interactive Asynchronous Transaction Fast Input Buffering Forward Indicator Bit Forwarding Information Base Front-In Back-Out Forward Indicator Bit Received Forward Indicator Bit Transmitted Forward Indicator Bit Expected FBus Interface Controller F-Bus Interface Controller Flight Information Centre Feature Identifier Feature Interaction Detection Federation International de Documentation Field Identifier File Identifier Fixed station IDentity Format IDentification (SNA) Format Identifier Frame Identification Feature Information DataBase FIbre Distributed Data Interface Feature Indicators Per DNCT

FIE Facility Information Element FIEE Fellow of Institution of Electrical Engineers (UK) FIEEE Fellow of Institute of Electrical and Electronics Engineers, Inc. (US) FIEIE Fellow of Institution of Electronics and Electrical Incorporated E ngineers (UK) FIF Facsimile Information Field FIF Fractal Image Format FIFO First In, First Out (Memory) FIFO First-In, First-Out FIG Flash Ignore FIG Floating Figure (HTML tag) FIGS FIle Separator FIHMBS Feature Indicators Per Hunt Make Busy Application Set FIL Feature Indication Lamp FILO First-In, Last-Out FILR Feature Indication Lamp Refresh FIM Facing Identification Mark FIM Feature Interaction Management FIM Feature Interaction Manager FIM Fiber Interface Module FIM-A Facing Identification Mark: Courtesy Reply Mark FIM-C Facing Identification Mark: Business Reply Mark FIMWN Feature Indication Message Waiting Notification FIN Facility Information message FIN Feature ID Number FIN Finish flag FIP Fetch Instruction Pointer FIP Flourescent Indicator FIP Functional Integration Point FIPA Federation for Intelligent Physical Agents FIPS Federal Information Processing Standard (USA) FIR Fast Infrared FIR Fault Indication FIR Finite Impulse Response (filter) FIR Full Intra Request FIR Full Intra-frame Request FIRD Feature Interaction Rule Distribution FIRGG Feature Interaction Rule/Guidelines Generation FIRST Forum of Incident Response Teams FIS Floating Instruction Set FIS Functional Interface Specification FISHS Feature Indicators Per Stop Hunt Application Set FISU Fill-In Signal Unit FIT Failure In Time FIT Failure Intensity Trend FIT Failures in 10+9 component hours FIT Fault Insertion Testing FIT Focused Improvement Team FIT Framework Integration Team FIT Fully Initializing Terminal FIT Fully-Initializing Terminal FIT Function Integrity Test FIT Functional Integration Testing FITCE Federation of the Telecommunication Engineers of the EC(F) FITE Forward Interworking Telephone Event FITL Fiber In The Loop FITS Flexible Image Transport System FITS Functional Interpolating Transformation System FIU Facilities Interface Unit

FIU FIU FIU FIX FJ FK FK FKM FKP FKTO FL FL FL FL FL FL FL FLAG FLARE FLC FLC FLC FlCA FLCC FLCS FL-CU FLD FL-DU FLEN FLEX FLEX DID FLEXI FL-I FLIC FLIC FLIH FLINK FLIR FLIS FLIS FLL FL-LA FLO flo FLO FLOC FLO-I FLOP FLOPS FLORICO FLOW FLRN FLS FLS FLS FLT FLT FLT FLT-I FLX

Facsimile Interface Unit Fingerprint Identification Unit Florida International University Federal Internet Exchange ISO country code for Fiji Foreign Key ISO country code for Falkland Islands (Malvinas) Feature Key Management MDII: Address Signaling Error- False Key Pulse Fernmeldekontonummer (Telecommunications Number) Failure Fault-Locate Feature List Flash Foreign Listing Fully-Restricted Line U.S. postal code for Florida Fiberoptic Link Around the Globe Fault Location and Alarm Reporting Ferroelectric Liquid Crystal Fiber Loop Carrier Fixed Length Code Flexible Channel Allocation Functional Line Card Code Fibreoptic Low-cost Connector System (Motorola Inc.) Fiber Loop Central Unit FieLD Fiber Loop Distribution Unit Frame LENgth FlexCall Flexible Direct Inward Dialing Flexible Intercept ISDN Fully Restricted Line Fiber Link Interface Chip Fiber Link Interface Controller First Level Interrupt Handler Flash/Wink Forward-Looking Infra-Red (Military Avionics) Fiber Link Interface Shelf Fiberized Link Interface Shelf Frequency-Locked Loop Fiber Loop Line Amplifier Fixed Link Option Fixed Link Option Fully-Restricted Originating Line Flexure Lift-Off (Relays) ISDN Fully-Restricted Originating Line Floating Point Operation Floating Point Operations Per Second Florida-Puerto Rico submarine cable Flow Through Provisioning Foreign Location Routing Number Flash Utility Free Line Signal Free Terminating Line Service Fault Float Voltage Fully-Restricted Terminating Line ISDN Fully-Restricted Terminating Line Fiber Loop Access

FM FM FM FM FM FM FM FM FM FM FM FM FM FM FM FM SLP FMA FMA FMA FMA FMA FMAC FMAC FMAS FMB FMB FMBS FMC FMC FMC FMC FMCRT FMCT FMCW FMD FMD FMEA FMEA FMECA FMFB FM-FDM FMH FMHS FMID FMIF FMIP FMK FMM FMO FMP FMP FMR FMR FMR FMS FMS FMS FMS FMS FMSA

Fabric Management Facility Monitoring Failure to Match Fault Management Fault Monitor Feature Manager Focused Maintenance Force Management ForM Frame Memory FrameMaker Frequency Management (CEPT) Frequency Modulation Function Management (SNA) ISO country code for Federated States of Micronesia Feature Management Service Logic Program Failure Mode Analysis Fast Matrix Architecture First Market Application FRAMES Multiple Access Fused Multiply-Add Facility Maintenance and istration Center Floating-Point Multiply-and-Accumulate Facility Management System Fabric Motherboard Functional Message Block Frame-Mode Bearer Services Fixed Message Cycle Fixed/Mobile Convergence Flight Management Computer Force Management Center Force Management CRT Formal Methods in Conformance Testing Frequency Modulated Continuous Wave Follow-Me Diversion Function Management Data Failure Mode and Effect Analysis Fault Modes and Effects Analysis Fault Modes, Effects and Criticality Analysis Frequency Modulation Frequency Modulated-Frequency Division Multiplexed Function Management Header Flexible Material-Handling System Fixed part MAC Identity Frame Mode Information Field FMI Protocol Functional Multiprocessing Kernel Finite Message Machine Future Method of Operation Feature Message Processor Functional Multiprocessing Field Management Reporting Follow Me Roaming Frequency Modulation Receiver Fleet Management Service Flexible Manufacturing System Flight Management System Force Management System Forms Management System Fault Management Switch Agent

FMSLP FMSM FMT FMT Fmt FMT FMTV FMU FMU FMV FMVFT FN FN FN FN FN FN FN fn FN FN FN FNA FNA FNA FNAL FNAMEPRV FNB FNC FNC FNC FND FNLTREAT FNN FNO FNOC FNOI FNP FNPA FNPRM FNS FNS FNSI FNT FNT FNU FNV FNX FO FO FO FO FO FO FOA FOA FOAC FOBP FOBS FOC

Feature Manager Service Logic Program Fault Management Summarization Manager Fiber Multiplex Terminal Format Format Frequency Modulation Transmitter Frequency Modulated TeleVision Fan Management Unit Fan Mount Unit Foreign Market Value Frequency Modulation Voice Frequency Telegraphy DDOC Section: Functional Description and Specification Facility Number Feature Node Finding Name FiNish Forwarding Number Frame Number Function Functional Description Functional Specification Functionality Call Forward No Answer Allowed FLAG Network Architecture Functional Network Architecture Feature Not Allowed Treatment Forced Name Privacy Function Block Federal Networking Council FTS Node Controller Fujitsu Network Communications Call Forward No Answer Denied Final Treatment Financial News Network Free Number Origination FLAG Network Operations Center Further Notice of Inquiry Front-End Network Processor Foreign Numbering Plan Area Further Notice of Proposed Rule Making Fixed Night Service Fujitsu Network Switching Feature Node/Service Interface Font Selection Free Number Terminating Floatingt-Point Normalization Unit Future Network View Extended Function Block Fan-Out Fiber Optic Fixed Output Flash Override Follow-On ISO country code for Faroe Islands First Office Application Flexible (Call) Origination Authorization Fibre Optic Active Component Fibre Optic Back Pointer Flexible Call Observing Faint Object Camera

FOC FOC FOC FOC FOC FOCC FOCS FODA FOF FOIRL FOM FOM FOMAS FOMAU FOMDI FON FOOBAR FOOS FOOT FOR FS FORM FORTE FORTRAN FORTRAN FOS FOSI FOT FOT FOT FOT FOT FOTAG FOTP FOTS FOTS FOURCC FOV FOX FOX Fox FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP

Fiber Optic Crossconnect Fiber Optics Communications Firm Order Confirmation Flow of Control Follow-On Call Forward Control Channel Fiber Optic Communication Systems Feature Oriented Domain Analysis Freeze-Out Fraction Fiber Optic Inter-Repeater Link Factor of Merit Figure of Merit Fiber Optic Multi-Media Access System Fiber Optic Medium Attachment Unit Fiber Optic Medium Dependent Interface Font file FTP Operation Over Big Address Records Force Out Of Service Framework for Object Oriented Testing FOR Further Study Formatter FORmal TEchniques FORmula TRANslation (programing language) Formula Translator Fiber Organizing System Format Output Specification Instance Fiber Optic Terminal Fiber Optic Transmission Forward-Transfer Message Forward-Transfer signal Frequence Optimale de Travail Fiber Optic Technical Advisory Group (IEEE) Fiber Optic Test Procedure Fiber Optic Terminal System Fiber Optic Transmission System Four-Character Code Field Of View Fiber Optic Extender Field Oxide Fox Network Fabry-Perot Facilities Processor Facility Processor Fast Paging Feature Processing Feature Processor Field Patch File Pointer File Processing File Processor Fixed Part Flat Pack Flat Package Floating Point Format Prefix Frame Pointer Freephone Full Period Function Processor Functional Processor

FP FPA FPAD FPAM FPC FPC FPC FP FPCR FPD FPD FPDP FPDU FPE FPECR FPEE FPF FPF FPG FPG FPGA FPH FPHi FPHS1 FPHS2 FPI FPIAR FPIT FPLA FPLD FPLF FPLMTS FPLMTS FPLS FPLS1 FPLS2 FPM FPM FPM FPM FPMH FPN FPO FPO FPOM FPOM FPP FPPT FPR FPRH FPRL FPRT FPS FPS FPS FPS fps FPS FPS/FE FPSCR

Functional Programming Floating Point Accelerator Facsimile Packet Assembly/Disassembly Fabric Power and Alarm Module Fan Power Control Foundation Peripheral Controller Functional Progression Chart Floating Point Co-Processor Floating-Point Control File Processor Device Foreign Potential Detector Front Data Port FTAM Protocol Data Unit Feature Processing Environment Floating-Point Exception Cause Floating-Point Exception Envelope Facility Parameter Field Feature Processing Framework Feature Planning Guide Functional Parameter Group Field-Programmable Gate Array Free PHone (supplementary service) Freephone Indicators Floating-Point Source 1 Operand High Floating-Point Source 2 Operand High Family Programming Interface Floating-Point Instruction Address Floating-Point Imprecise Operation Type Field Programmable Logic Array Field Programmable Logic Device Field Programmable Logic Family Future Public Land Mobile Telecommunication System(s) Future Public Land Mobile Telecommunications Services Future Public Logic System/Sequencer Floating-Point Source 1 Operand Low Floating-Point Source 2 Operand Low Fast Packet Multiplexing Fast Page Mode Feet Per Minute Fiber Peripheral Module Failures Per Million Hours Freephone Number Frame Pointer Optimization Frequency Planning Organisation Feature Processing Off-Site Meeting FPE Offsite Meeting Floating Point Processor Floating-Point Precise Operation Type Floating-Point Floating-Point Result High Floating-Point Result Low DMS-Core Footprint Fast Packet Switching Favorite Picture Selection Feature Plan Specification Foot,Pound,Second (system of measurement) Frames Per Second Framing Pattern Sequence Framing Pulse Synchronization-Framing Extended Floating-Point Status and Control

FPSP FPSR FPT FPU FPV FPV FPY FQ FQDN FR FR FR FR FR FR FR FR FR FR FR FR FR FR FR FR FR FR FR FR fr FR F-R FR&O FR_SS FRA FRA FRAD FRAD FRAD FRAM FRAM FRAMES FRAP FRAR FRB FRBBS FRBS FRC FRC FRC FRC FRCD FRDS FRDS+ FRE FRED FREDFET FREL FREL FREQ

Floating Point Package Floating-Point Status Forced Perfect Floating Point Unit Field Product Validation Floating Point Value Failures Per Year Fair Queuing Fully Qualified Domain Name Failure Rate Family of Requirements Feature Reviewed Fixed Routing Flashing Recall Flat Rate FN Release Force Release FRagment Frame Frame Relay Frame Relaying Frame Relaying technique Frame Reset Frames Frequency Response Full Rate Fully-Restricted Line Functional Specification Reviewed Functionality Review Internet country code for ISO country code for French Republic () Final Operators to Required Operators First Report and Order Frame Relay Switching System Fixed Radio Access Flat Rate Area Frame Relay Access Device Frame Relay Assembler/Disassembler Frame Relay Assembler/Disassembler Device Ferroelectric RAM Ferroelectronic Random Access Memory Future Radio Wideband Multiple Access Systems Frame Relay Access Processor FBUS Rate Adapter and Repeater Faultsman's Ringback Frame Relay Backbone Service Frame Relay Bearer Service Fault Reporting Center Final Routing Center Functional Redundancy-Checking Functional Reference Configuration Forced Failure Resistant Disk System Failure Resistant Disk System Plus Fully Restricted Frame Editor Fast-Reverse Epitaxal Diode Field-Effect Transistor (Philips Inc) Feature Release Forecast Release Frequency

FRF FRFH FRI FRI FRIED FRIU FRJ FRL FRL FRL FRL FRLS FRM FRM frm FRM FRMR FRN frn FRN FRNO FRO FRO frO FROM FRP FRP FRP FRPH frpi FRPOS FRPS FRQ FRR FRR FRS FRS FRS FRS FRS FRS FRS FRSC FRSF FRSS FR-SSCS FRT FRT FRTE FRTT FRU FRU FRU FRWK FS FS FS FS FS FS

Frame Relay Forum Frame Relay Frame Handler Frame Relay Interface Frame Relaying Information Friedrichschaffen Frame Relay Interface Unit Facility Reject Message Facility Restriction Level Force Release message Frame Representation Language Frequently Requested Listing Force Release Fast Resource Management Forward Resource Management FrameMaker File Functional Reference Model Frame Reject File Reference Number File Reference Number Fragmentation Reference Number Frame Number Fire Reporting System Originating Fire Reporting System Origination frame O Fusable (Link) Read-Only Memory Fast Reservation Protocol Fault Report Point Final Redirecting Party Frame-Relay Protocol Handler Flux Reversals Per Inch Frame Position Frame position Facility Request message Flexible Reroute Frame Retransmission Rate Family Radio Service Fire Reporting System Flexible Route Selection Forward Ready Signal Frame Relay Service Frame Relay Switch Fully Restricted Station Fiber Remote Switching Center Frame Relay Service Function Frame Relay Switching System Frame Relaying Service-Specific Convergence Sublayer Fire Reporting System Terminating Fire Reporting System Termination Frame Relay Terminating Equipment Fixed Round-Trip Time Field Replacement Unit Field-Replaceable Unit Flexible Reuse Framework F Segment FACT Started Failed Screening Failed Seconds Fast Select Fast Store

FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS F-S FSA FSA FSA FSA FSAN FSB FSB FSB FSC FSC FSC FSC FSD FSD FSD FSD FSD FSDB FSDR FSE FSF FSF FSG FSG FSI FSI FSI FSI FSK FSL FSL FSLE FSLP FSM FSM FSM FSM FSM

Feature Specification Federal Standard Field Separator Field Figure Shift File Separator File System Fixed Service Fixed Subscriber For Sale Frame Signaling Frame Status Frame Switching Frequency Shift Full Scale Full Screen Function Selector Functional Signaling Functional Specification Functional Standard Further Study Fiat-Shamir Fast Select Acceptance Fiber Serving Area Finite State Automata Formatter/Storage Agent Full Services Access Network Feature State Block Functional Signaling Block Functional Specification Block Far-end Signal Canceller Frame Supervisory Controller Freephone Service Centre FTS Subnetwork Controller Feature Specification Document Feature-Specific Document File System Driver Frame Selection and Distribution Functional Specification Document Feature Store Data Base Feature Specification Document Review Field Service Engineering Fading Safety Factor Free Software Foundation Finite State Grammar Full Steering Group Facility Subsystem Identifier Forward Status Indicators Forward Status Information Frequency Subset Indicator Frequency-Shift Keying File System Layout Flexible Service Logic Fractionally Spaced Linear Equalizer Feature Service Logic Program Finite State Machine Finite State Model Firmware Manual Fixed Block Pool Store Manager Forward Set-Up Message

FSM FSM FSN FSN FSN FSN FSN FSN FSNC FSNF FSNL FSNR FSNT FSNX FSO FSO FSP FSP FSP FSP FSP FSQ FSR FSR FSR FSR FSR FSS FSS FSS FSS FSS FSS FSS FSSS FST FST FST FST FST FST FST FSTN FSTYPE FSU FSU FSU FSU FSW FSXF FT FT FT FT FT FT FT FT FT FT

Free Space Map Function State Model Field Specification Notation File Sequence Number Fixed System Number Forward Sequence Number Frequency Subset Number Full Service Network FSN of Last Signal Unit Accepted by Remote Level 2 FSN of Oldest MSU in the Retransmission Buffer FSN of Last MSU entered into the Retransmission Buffer Forward Sequence Number Received Forward Sequence Number Transmitted Forward Sequence Number Expected Foreign Service Office Formatting, Storage, and Output Facility Services Profile Flexible Service Profile Frame Supervision Frame Supervisory Frequency Shift Pulsing Flat SQuare screen (CRT) Free System Resources Frequency Selective Ringing Frequency Shift Ratio Frequency Spectrum Requirement Full-Scale Range Facility Selective Service Facility/Service Selective Fair Share Scheduler File System Switch Fixed Satellite Service Frame Subscription Frame Synchronous Scrambling Facility/Service Selective Signaling Fiber Services Terminal Flat Square Tube Flexible Signaling Trunk Force State Transition Four-Square Transform FP Store Real (80x86 inst) Full Service Terminal Film Super-Twisted Nematic Fast Select Type Fabric Sub-Unit Field Unit Final Signal Unit Frame Supervisory Unit Frame Synchronisation Word Frequency Synchronisation Failure FACT Tested Fault Tolerant Feature Test Feature Tested FeeT Fiber Transmission Fibre optics Transmission standards File Transfer First Time Fixed radio Termination (DECT)

ft FT FT FT FT FT FT FT Ft FT1 FT-1 FT3 FT-3 FTA FTA FTA FTA FTA FTA FTA FTAC FTAM FTAM FTAM FTAM FTAM FTC FTC FTD FTD FTD FTDS FTDS+ FTDS++ FTE FTE FTFE FTFS FTI FTI FTL FTM FTM FTM FTMI FTMP ftn FTNS FTO FTP FTP FTP FT-PNNI FTR FTR FTRAN FTRGRP FTRKEYS FTRQ FTS

Foot (Feet) Format Type bit Forward Transfer Fractal Transform Fractional-Tap Frame Transfer (Video) TELECOM Functional Test Transit Frequency Fractional T1 Fractional T1 Fractional T3 Fractional T3 Fault Tree Analysis Feature Activation File-Transfer Access Flexible (Call) Terination Authorization Frame Transport Address Free Trade Association Full Type Approval FAST Technical Advisory Council File Transfer Access and Management File Transfer and Access Management File Transfer and Management File Transfer, Access, and Management Forms Translation and Mapping Fast Time Constant Functional Test Case Field Type Descriptor Foreign Exchange Toll Diversion Frame Transfer Delay Failure Tolerant Disk System Failure Tolerant Disk System Plus Failure Tolerant Disk System Plus Plus Force Transition Event Full-Time Equivalent Force Transition Failure Event Fault Tolerant File System Feature Indication Feature Testplan Inspection Function-Tester (Programming) Language Feature Testing Methodology Flat Tension Mask Frequency Translation Module Telecom Mobiles International Ferry Transfer Medium Protocol Forwarded-To Number Fixed Telecommunications Network Service Fast Turn-Off File Transfer Program File Transfer Protocol (Internet) Foiled Twisted Pair ForeThought PNNI Feature Feature Tone Receiver File Transfer Feature Group Feature Keys Feature Queuing FAX-Thru Service

FTS FTS FTS FTS FTS FTS FTS FTSC FTSC FTSP FTT FTTB FTTC FTTCa FTTCab FTTEx FTTF FTTF FTTH FTTK FTTLA FTTN FTTN FTTO FTTU FTTZ FTU FTV FTZ FTZ FTZ FU FU FUC FUD FUD FUL FUMP FUN FUN FuND FUNDES FUNI FVC FVC FVC FVC FVDA FVR FVSIR FVSt FVstH FVstHand FVW FW FW FW FW

Federal Telecommunications System Feeder Transmission Section File Transfer Server File Transfer Service File Transfer System Frame Transport System Full-Text Search Federal Telecom Standard Committee (USA, NCS) Federal Telecommunications Standards Committee Final Translation Signalling Point Failure To Train Fiber To The Building Fiber To The Curb Fiber to the Cabinet Fiber to the Cabinet Fiber to the Extension Fiber To The Feeder Fiber To The Floor Fiber To The Home Fiber to the Kerb Fiber To The Last Amplifier Fiber To The Neighborhood Fiber To The Node Fiber To The Office Fiber To The Fiber To The Zone File Transfer Utility Facility Test Vehicle Fernmeldetechnisches Zentralamt Fernmeldetechnisches Zentralamt (D) Forschungs- und Technologie Zentrum der DTAG (Research and Technology Center of DTAG) Fan Unit Functional Unit Feature Use Charging Fear, Uncertainty, and Doubt Functional Unit Deployment Full Backup Catalog File Functional Message Protocol Frame Network The Frye Utilities for Networks Subscriber from the Radio Network Functional Design System Frame Based -to-Network Interface First Virtual Corporation Floating Virtual Connection Forward Voice Channel Frequency to Voltage Converter Fully Variable Demand Access Flexible Vocabulary Recognition Flexible Vocabulary Speaker-Independent Recognition Fernvermittlungsstelle (trunk exchange/transit switch in long distance network) Manually Switched Trunk Exchange Manually Switched Trunk Exchange Forward Volume Wave FiberWorld Firmware Frame Word Framework

FW FWA FWA FWCI FWD FWF FWH FWHM FWIW FWK FWM FWM FwMunz FWP FWP FWPC FWPCS FWS fwsvc FWUF FX FX FX FX FX2WAY FXB FXBO FXBS FXC FX-CCSA FXCG FXCH FXDN FXIN FXNS FXO FXOUT FXP FXPM FXR FXRD FXS FXS FXU FY FYA FYI FZA

Full Word Fixed Wireless Access Flow and Wavelength Assignment Firmware Command Interpreter Forward First-Window Fibre (850 nm) Flexible Working Hours Full-Width Half-Maximum For what it's worth Framework Four-Wave Mixing Four-Wave Multiplexing Fernwahlmuenztelefon (Trunk Dialing Prepayment Telephone) FiberWorld Products Finer World Process Future Wireless Personal Communications Future Wireless Personal Communications System Filter Wedge Spectrometer Firmware Service Federal Wireless s Forum Effects Foreign Exchange Foreign Exchange Service ISO country code for Metropolitan Foreig Exchange 2-Way Traffic Foreign Exchange with Battery Foreign Exchange with Battery Office End Foreign Exchange with Battery Station End Fiber Crossconnect Foreign Exchange-Common Control Switching Arrangement Flexible Night Service Configuration Floating-Point Exchange Fixed Directory Number Foreign Exchange Inward Traffic Flexible Night Service Foreign Exchange Office Foreign Exchange Outward Traffic Feature Transfer Processor Fiber XPM Fast Call Transfer Fully Automatic Reperforator Transmitter Distributor Foreign Exchange Service Foreign Exchange Subscriber Fixed-Point Unit Fiscal Year For your amusement For Your Information Fernmeldetechnisches Zentralamt (A)

back to top|0-9|A|B|C|D|E|F - G H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z G g G G G G

Gain Gehende (Outgoing) Giga (10+9) Giga (1000000000 or 1024*1024*1024) Granularity Gravitational Force

G G G G G G G/T g++ G0 G0A G0B G1 G2 G3 G3 G4 GA GA GA GA GA GA GA GA GA GA GA GA GA GAAF GaAs GAC GAdC GAGR GAIN GAL GAM GAME GAME GaN GAN GAO GAO GAOT GAP GAP GAP GAP GAP GAP GAP GAP GAP GAPI GAPP GARP GARP GART GAS GAS

Gravity Green Ground Group Guard Guard time Gain to noise-Temperature ratio GNU C++ Compiler Gate 0 Gate 0A Gate 0B Gate 1 Gate 2 Gate 3 Group 3 Group 4 Gemeinschafts-Antennenanlage General Assembly (ETSI) General Availability General Aviation Generally Available Generator/Analyzer Genetic Algorithm Geographical Area Go Ahead Grand Alliance Group Alerting ISO country code for Gabonese Republic (Gabon) U.S. postal code for Georgia GSF Applications Architecture Forum Gallium Arsenide GSF Architecture Council Group AdC Group Automatic Gain Regulator Global Advanced Intelligent Network Generic Array Logic (Lattice Inc.) Graphic Access Method Generic AIN Message Encoder Generic AIN Messaging Environment Gallium Nitride Global Area Network General ing Office Group Answer Occasional GSF Agent Object Team Call Gapping Generic Access Profile (DECT term) Generic Address Parameter Ground-to-Air Paging Groupe Analyse et Previsions Groupe d'Analyse(s) et Prognose(s) GSF Agent Productization GSM Automation Platform Guaranteed Access Providers Gateway Application Programming Interface Geometric Arithmetic Parallel-Processor Global Atmospheric Research Programme Group Address Resolution Protocol Graphics Address Relocation Table Group Alerting System Group Autonome Spécialisé

GAS GAT GAT GAT GAT GATE GATM GATS GATS GATT GATT GB Gb GB GB GB Ireland Gb/s GB GBT GBCS GBG GBH GBI Gbit/s GBP Gbps GBPS GBS GBSC GBW Gbyte GC GC GC GC GC GC GC GCA GCAC GCAC GCAP GCAS GCC GCC GCC GCC GCD GCE GCF GCF GCHQ GCI GCI GCL GCL GCL GCM GCM

GSBT, ADF, SAFT General Application Template Globalization Architecture Team Group Audio Terminal GSF Architecture Team General Access to X.25 Transport Extension (OSI) Guarded-Area Transfer Mode GATT Services Agreement GSF Activity Tracking System General Agreement on Tariffs and Trade Graphics Address Translation Table General Block Gigabit Gigabyte Group Busy ISO country code for United Kingdom of Great Britain and Northern Gigabits Per Second GISDN Basic Call Prototype GISDN Basic Call Prototype Team Global Business Communications Systems geschlossene Benutzergruppe (Closed Group) Group Busy Hour Generic Billing Interface Gigabits per Second Gain-Bandwidth Product Gigabits Per Second GigaBits Per Second Generic Bridging Service Group of Blocks Start Code Gain BandWidth Gigabyte Garbage Collection Garbage Collector Global Coverage Global c-plane Graphics Context Group Center Guard Channel Graphic Communications Association Generic Call ission Control Generic Connection ission Control GSM Capacity Automation Package Global Component istration System General Conference Control Generic Conference Control Global Cable Conveyance GNU C Compiler Greatest Common Divisor Ground Communications Equipment Gatekeeper Confirm Gatekeeper Confirmation Government Communications HeadQuarters General Circuit Interface Global Customer Interface Generic Control Language Global Control and Locate GNA Global C++ Library Generalized Control Model GENIE Communication Manager

GCMM GCO G G G GCR GCR GCR GCRA GCS GCS GCS GCSP GCST GCT GD GD&R GDA GDA GDB gdbm GDC GDC GDC GDD GDD GDDM GDDM GDDM GDDM GDE GDF GDG GDI GDI GDI GDI GDLR GDM GDMO GDMO GDMO GDNT GDO GDOP GDP GDP GDP GDS GDS GDS GDS GDSU GDT GDT GDT GDT GDTE GDTR GDX

Generic C Mobility Management Group Chief Operator Generic Communication Package Generic Communication Protocol Generic Communications Package Global Call Recording Global Call Reference Group Coding Recording (Magnetic Data Storage) Generic Cell Rate Algorithm GENIE Communications System Global Carrier Switch Ground Control Station General Cluster Server Process GSF Call Setup Team Greenwich Civil Time ISO country code for Grenada Grinning, ducking, and running Global Directory Access Global Directory Agent GNU Source-Level Debugger GNU Database Manager General DataComm Global Data Center Graphic Display Controller Generic Data Dictionary Global Data Dictionary Global Data Distribution Manager Global Data Manager Graphical Data Display Manager GSF Data Distribution Model Group Delay Equalizer Group Distribution Frame Generation Data Group Generating System/Data Server Interface Generic Data Interface Graphical Device Interface Graphics Device Interface Generic Design Layout Record Generic Device Magazine Generic Data Model for Objects Guidelines for Defined Managed Objects Guidelines for the Definition of Managed Objects Guandong Nortel Grid Dip Oscillator Geometric Dilution of Precision Generalized Drawing Primitive Generic Digit Parameter Gross Domestic Product General Data Stream (SNA) Global Directory Service Graphic Design Standard Graphics Data Syntax for a multiple workstation interface Global Digital Services Unit Gas Discharge Tube Global Descriptor Table Graphic Display Terminal Guaranteed Dial Tone GISDN Development Testing Environment Global Descriptor Table Gated Dielectric Crosspoint

GDX GE GE Ge GE GE GEA GEBAF GEC GECOS GEM GEM GEM GEMS GEMS GEMS-TTA GEN GEN GenA GENCSC GEnie GENIE GENMTC GenNo GeNoti GEO GEO GEOS GEOS GEOSAT GEP GEP GER GERM GES GES GESA GETAR GETED GETS GEV GF GF GF GF GFC GFC GFC GFC1 GFD GFE GFE GFET GFI GFI GFI GFI GFID GFID GFLOPS

Gated Diode Crosspoint General Electric Corp. Generic Element Germanium Greater Than or Equal To ISO country code for Georgia Gigabit Ethernet Alliance Global Enhanced BAF General Electric Company General Electric Comprehensive Operating System Graphic Environment Manager Graphical Environment Manager GSM Element Manager Generic Environment for Messaging on the Switch Global Electronic Messaging Services Generalized Expert Maintenance system Trunk Trouble Analyser (ATT) General Global European Network Generic Address Generic Common Signalling Channel General Electric Network for Information Interchange Generic Interactive Protocol Engine Generic Time-Slot Management Channel Generic Number Generic Notification Indicator Geostationary Earth Orbit Geosynchronous Equatorial (Clarke) Orbit Geostationary Earth Orbit Satellite Graphic Environment Operating System Geostationary Orbit Communications Satellite Generic Envelope Parameter Generic Event Processor Generic Event Recorder General Entity Relational Model Global Enterprise Services Ground Earth Station GSF Emergency Stand-Alone (ESA) GSF Exceptions, Tones, Announcements and Routing GSF End-To-End Delivery Government Emergency Telecommunications Service Giga Electron-Volt General Formatter Generic Function(s) Higher layer information control channel ISO country code for French Guiana General Flow Control Generic Fairness Configuration Generic Flow Control Generic Fairness Configuration #1 General Feature Description Government Furnished Equipment Graphical Front End GSF Framework Evolution Team General Format Identifier General Format Identifier Ground-Fault Indicator Ground-Fault Interruptor General Format Identifier Graphic Font ID Giga-Floating-Point Operations Per Second

GFP GFP GFR GFS GFS GFSK GFSM GFT GFT GFX GGA GGI GGP GGSN GH GHA GHz GI GI GI GI GI GI GI GIAC GIC GIC GID GID GID GID GIF GIFT GIGO GIH GII GIM&M GIMP GIMR GIN GINA GINS GIOP GIP GIP GIPR GIPS GIPSE GIS GIS GIS GIS GISDN GISP GIST GIT GIT GIT GIU GIX

Generic Functional Protocol Global Functional Plane Guaranteed Frame Rate Generic File System Grandfather-Father-Son Gaussian Frequency Shift Keying Graphical File System Manager Generic Flow Transport Generic Function Transport Graphics Groß-Gemeinschafts-Antennenanlage Gateway to Gateway Interworking Gateway-to-Gateway Protocol (T/IP-DoD) Gateway GSN ISO country code for Republic of Ghana Greenwich Hour Angle Gigahertz General Information General Instrument Corporation Generic Identifier Global Interface Graded-Index Group Identifier ISO country code for Gibraltar Group Intercom All Calls Generic Interface Controller Group Intercom Gateway Identifier General Information and Definitions Group ID Group Identification Graphics Interchange Format GSF Independent Framework Testing Garbage In, Garbage Out Global Information Highway Global Information Infrastructure Global Information Movement and Management GNU Image Manipulation Program Global Interrupt Mode German Intelligent Network Global Intelligent Network Architecture Global Information Network Services General Inter-ORB Protocol Group Interface Profile GSM Interworking access Profile Gigabit IP Router Billions of Instructions Per Second Global Integrated Project Environment AT&T Global Information Solutions (formerly NCR) General Information Session Generalised Information System Geographic Information System Global ISDN GSF Intra-Subnetwork Protocol GSF Inter-Session Team Generic Identifier Transport Generic Information Transport Global Identifier Tracker Gateway Interface Unit Global Internet Exchange

GJT GK GKMP GKS GL GL GL GL GL GL GL100 GLA GLATC

Graphic Java Toolkit Gatekeeper Group Key Management Protocol Graphical Kernel System General Ledger Global Global Lines Ground Line Group Length ISO country code for Greenland Global 100 Generic Layering Architecture Graphics and Languages Agreement group for Testing and Certificati

on GLF GLines GLO GLOBECOM GLONASS GLS GLTC GLUT GLVDS GLX GM GM GM GM GM GMA GMB GMBPT GMBS GMDSS GMDSS GME GMEM GMF GMF GMF GMF GMI GMI GMII GML GMM GMM GMM CG GMO GMODTTO GMOS GMP GMPCS GMR GMS GMS GMS GMS GMS GMSC

Global Leadership Forum Global Lines General Location Global Telecommunications Conference (GTC) Global Navigation Satellite System Generic Load Segment Ground Loop Test Cancel OpenGL Utility Toolkit Ground-referenced, Low-Voltage Differential Signal GL's Extension to X General Manager Generator Manager Group Mode Guaranteed Minimum ISO country code for Republic of the Gambia Gated Mode Acquisition Group Make-Busy Group Make Busy Point GSF Meridian Business Set Global Maritime Distress and Safety Service Global Maritime Distress and Safety System Group Modulating Equipment Global Memory Generalized Monitoring Facility Generic Maintenance Framework Global Modeling Forum Graphic Monitoring Facility (SNA) Generic Maintenance Interface Graphical Management Interface Gigabit Media Independent Interface Generalized Markup Language Global Memory Manager Global Multimedia Mobility Global Multimedia Mobility Co-ordination Group Generic Managed Object GSF Modifier Trace Tool Group Manager-Operator Services Global Messaging Process Global Mobile Personal Communications Services Giant Magnetoresistive Gate Management System General Mobile System (Digital Cellular Radiocommunications) Generic Multiplexer Service Global Mapping Satellite Global Messaging Service Gateway Mobile services Switching Centre

GMSC GMSK GMSK GMSS GMSS GMST GMT GMT GMT GMTA GMTS GN GN GN GN GNA GNCT GND GND GND GNE GNFC GNI GNIM GNM GNN GNP GNP GNR GNS GNS GNSS GNT GNU GNW GOAL GOAM GOB GOEE GOES GOF GOLD GOM GOMMO GOOD GOP GOPS GOS GOS GOS GOS GoS GOSIP GOSIP GOSS7 GOST gov GP GP GP

Gateway Mobile Switching Centre (GSM term) Gaussian Minimum Shift Keying (modulation) Gaussian Minimum Shift-Keyed Global Mobile Satellite Services Global Mobile Satellite Systems Generic Multiplexer Service Team Greenwich Mean Time Greenwich Mean Time Weltzeit Great minds think alike General Mobile Telephone System Generic Name GOB Number Group Number ISO country code for Revolutionary People's Republic of Guinea Globewide Network Academy Generalized No Circuit Treatment Ground Ground Start Group Do Not Disturb Gateway Network Element Group Number Feature Control Generic Internet/Subnet Interface Generic Network Information Model Generic Network Model Global Network Navigator Graphical Network Browser Gross National Product Global Name Resolver Global Network Service (BT) Green Number Service Global aeronautical Navigation Satellite System Great Northern Telegraph Co. GNU's Not Unix Global NetWork GSF OMs, Alarms, and Logs Government Owned And Maintained Group of Blocks Generic Object Execution Environment Geosynchronous Orbiting Environmental Satellite Gang of Four GSM One-Chip Logical Device Generic Object Model Group OMMO GSF Object Oriented Development Group of Pictures Giga (Billion) Operations Per Second General Operational Sanity Generic Operator Services Global Operator Services Grade of Service Grade of Service Government Open Systems Interconnection Profile Government OSI Profile Global Operator Services Signaling #7 State Committee for Standardization Government institutions domain General Product General Protection General Purpose

GP GP GP GP GPA GPA GPa GPA GPA GPARS GPBXE GPC GPC GPCH GPD GPD GPF GPF GPI GPIA GPIB GPIC GPIC GPIO GPL GPL GPM GPMC GPNET GPNS GPO GPP GPP GPR GPR GPRD GPRS GPRS GPRS GPRS GPS GPS GPS GPS GPS GPS GPS GPSM GPSS GPSS GPT GPTA GPU GPV GPWS GQ GQ GQBE GQL GQOS

Genetic Programming Ground Plane antenna Group Processor ISO country code for Guadeloupe General Polynomial Answer mode modem Generating Polynomial- Answer modem GigaPascal Grade Point Average GSM PLMN Area Global Performance Analysis and Reporting System GSF Public, Business and Translations Environment General Polynomial Call mode modem Generating Polynomial- Call modem GRPS Packet Channel General Purpose Discipline Generalized Probabilistic Descent General Protection Fault Generic Process Framework Graphics Programming Interface General Purpose Interface Adapter General Purpose Interface Bus Group Primary Interexchange Carrier Per-Group Primary InterLATA Carrier General-Purpose Input/Output General Public License Generic Performance Language Generic Peripheral Maintenance Green Paper on Mobile Communications GSF Private Networks Team Global Power Network Services General Post Office General-Purpose Processor Global Peripheral Platform General-Purpose Ground Potential Rise Global Product Rules Development General Package Radio Service General Packet Data Radio Service General Packet Radio Service General Packet Radio System General Problem Solver (AI program) Generalized Processor Sharing Generic Presentation Service (OSI) Global Position Sensing Global Positioning Satellite Global Positioning System Global Product Global Packing, Shipping, and Marshalling General Purpose Simulation System General Purpose System Simulation GEC PLessey Telecommunications Goungdong Post and Telecommunication Authority Graphics Processing Unit Global Product Verification Ground Proximity Warning System (Avionics) Gillou-Quisquater ISO country code for Republic of Equatorial Guinea Graphical Query By Example Graphical Query Language Guaranteed Quality of Service

GR GR GR GR GR GR GR GR GRA GRA GRAN GRASP GRAYS GRC GRD GRE GRE grep GRF GRIB GRID GRIN GRIN GrIP GRJ GRM GRM GRM GRM GRM DB GRMP G-ROM GROW GRP GRP GRP GRP grpc grpo GRQ GRQ GRS GRS GrVSt GS GS GS GS GS GS GS GS GS GS GS GS GSA GSA GSAM GSAT

Generic Requirements Gigabit Router Graceful Close Graphical Graphical Form Graphical Representation/Rendition Graphical SDL Representation ISO country code for Hellenic Republic (Greece) Circuit Group Reset Acknowledgment message Group Reset Acknowledgement Signal Generic Radio Access Network Graphical System for Presentation Gotta All Your Shareware Group Recall Ground Generalized Regular Expression Generic Routing Encapsulation Generalized Regular Expression Print General File Gridded Binary Global Resource Identifier Graded Index Graded Refractive INdex (Cavity Laser, Telecom) Gravis Interface Protocol Gatekeeper Reject Circuit Group Supervision Message General Relationship Model Generic Resource Manager Group Reset Message Generic Resource Manager Database Generic Resource Manager Proxy Graphic Read-Only Memory GNU Remote Operations Web Generalized Routing Procedures Group Group Reference Pilot Program Manager Group file Group Close Group Open Gatekeeper Request General Request message Circuit Group Reset message Group Reset Signal Gruppenvermittlungsstelle (Group Switching Centre) G Segment Gateway Switch(ing) General Specification Generic Session Graduate Student Ground Segment Ground Start Group Selector Group Separator Group Services Group Switch ISO country code for South Georgia and the South Sandwich Islands General Services istration GSM System Area GSF System Architecture Model GSF System Architecture Team

GSB GSBT GSC GSC GSC GSC GSC2 GSC2NL GSCAR GS GS GS GSD GSD GSDE GSDE GSDN GSDT GSDT GSE GSEE GSEP GSEP GSF GSFA GSFAI GSFAIP GSFAIP_ALT GSFAIP_ANM GSFAIP_CCM GSFAIP_G GSFAIP_EOP GSFAIP_EOS GSFAIP_FAM GSFAIP_IAM GSFAIP_RES GSFAIP_RLS GSFAIP_RSI GSFAIP_RSR GSFAIP_SAM GSFAIP_SOS GSFAIP_SUS GSF GSF-FM GSFI GSFISP GSFMIP GSFN GSI GSI GSI GSIMS GSL GSLB GSLB-PN GSM GSM GSM GSM GSM

Generic Services Base GSF Services Base Team CCS Group Signaling Congestion Global Standards Collaboration (group) Global Surveillance Center Group Switching Center Group Speed Calling 2-Digit Group Speed Calling 2-Digit Number List Global Supplier Corrective Action Request Generic Service(s) Communication Protocol Generic Services Connection Protocol Generic Service(s) Control Protocol Generic Structure Diagram Global Service Directory Generic Services Design Environment Global Software Development Environment Global Software Defined Network Generic Service Design Tool GSF Services Design Tool General Systems Engineer Generic Services Execution Environment Generic Session End Point GSM Service Evaluation Platform Generic Services Framework GSF Architecture GSF Agent Interworking Generic Services Framework Agent Interworking Protocol GSFAIP Alerting message GSFAIP Answer Message GSFAIP Connection Control Message GSFAIP Call Progress message GSFAIP End of Outpulsing message GSFAIP End of Selection message GSFAIP Final Address Message GSFAIP Initial Address Message GSFAIP Resume message GSFAIP Release message GSFAIP Reselection Indication message GSFAIP Reselect Request message GSFAIP Subsequent Address Message GSFAIP Start of Selection message GSFAIP Suspend message GSF Call Process GSF Facility Maintenance GSF Implementation GSF Intra-Subnetwork Protocol GSF Maintenance Interface Protocol Generic Signaling Function Giga-Scale Integration Giga-Scale Integration Special Group on ISDN Global Standards Information Management System Global Service Logic Group Speciale (de Communications) Large Bande Group Speciale (de Communications) Large Bande- Permanent Nucleus General forward Set-up information Message General Setup Message Generic Service Model(ing) Generic Source Module Global System for Mobile Communications

GSM GSM GSM GSM GSM GSM GSM MS GSM MS GSM PLMN GSM PLMN GSMA GSMBE GSMM GSMP GSN GSO GSO GSOLL GSP GSP GSP GSP GSQL GSS GSS GSS GSS GSS GSSAPI GSSI GSSM GSSM GSSP GST GST GST G-STB GSTN GSTP GSVC GSVCI GSWCT GSWFT GSZ GT GT GT GT GT GTA GTA GTA GTA GTA GTA GTA GTAC GTC GTC GTCS

Global System for Mobile Telecommunication Graphic Size Modification Group Special Mobile Group Switch Matrix Group System Mobile Groupe Spécial Mobile Group Special Mobile Mobile Station GSM Mobile Station Group Special Mobile Public Land Mobile Network GSM Public Land Mobile Network Global Scheduling Multiple Access Gas Source Molecular Beam Epitaxy Group Standards Making Management General Switch Management Protocol GPRS Node Geostationary Satellite Orbit Geosynchronous Service Orbit GSF Services OnLine Library General Service ing General System Practice Global Services Planning Global Services Platform Gateway SQL General Satellite Service Generic Security Services Generic Security Standard Graphic Size Selection Grouped Sweeping Scheme Generic Security Services API Group Short Subscriber Identity (TETRA) Generic Service State Machine Global Subscriber Services Modernization Global Service Switching Point Global Symbol Table Ground Start Group-Specific Traffic Global Simulation Testbed General Switched Telephone Network Gateway Signaling Transfer Point Global Services Global Signaling Virtual Channel Identifier GSF Whole Cloth Team GSF Swact Framework Team Group Size Give Tokens Global Title(s) Global Trunks Greater Than ISO country code for Republic of Guatemala General Terminal Adapter General Agreement Global Title Address Global Trunking Architecture Gopher Tape Armor (Cable Armor against Rodents) Grading Terminal Assembly Guam Telephone Authority Group Trunk Access Control Gain Time Constant Global Telecommunication Conference Group Teleconferencing Communications System

GTD GTD-3 GTD-5 GTDI GTE GTE GTEDS GTEI GTEI GTEP GTESC GTGB GTK GTL GTL+ gTLD GTMOSI SI-SNA) GTO GTO GTO GTO GTOT GTOT GTP GTP GTP GTP GTP GTPA GTPU GTR GTR GTRK GTRKS GTRS GTS GTSI GTT GTV GTWY GU GUBB GUD GUF GUI GUID GUIDE GUL GULS GUM Gup GUS GUS GUTS GVA GVAC GVGB GVNS GVP

GEMS Test Driver GTD-3 (No. 3) Electronic Automatic Exchange GTD-5 (No. 5) Electronic Automatic Exchange Guidelines for Trade Data Interchange (EDI) General Telephone and Electronics Group Translating Equipment GTE Data Services Global TEI Group TEI General Telephone and Electronics Practice GTE Service Corporation Broup Trunk Group Busy GIMP Toolkit Gunning Transceiver Logic Gunning Transceiver Logic+ Generic Top Level Domain General Teleprocessing Monitor for Open Systems Interconnection (O Gate-Turn-Off (Thyristor) General Telecommunications Organization Geostationary Transfer Orbit Government Telecommunications Organization Generic Terminal Object Team GSF Treatment Object Team General Trade Product Global Test Platform GPRS Tunnel Protocol Group of Trail Termination Points Group Termination Point General Telephone Company of Pennsylvania Gas Tube Protector Unit Giant TRansistor (Power Transistor Module,Toshiba Inc.) Global Tone Receiver Global Trunks Global Trunks GSSP Technical Requirements Specification Generic Test Suite (obsolete) Group TETRA Subscriber Identity Global Title Translation Global Title Value Gateway ISO country code for Guam Geographic Unit Building Block Grand Universal Debugger GSF Upgrade Framework Team Graphical Interface Globally Unique Identifier Graphcal Interface for Data Engineering General Use Line Generic Upper Layer Security Grand Unified Multicast Group Update Program GSBT, Utility Services, SAFT Guide to the Use of Standards (SPAG) GSF Unified Translations System Generalization of the Viterbi Algorithm Global VFG Access Control Global Virtual Group Busy Global Virtual Network Service Group Vice President

GVPN GW GW GW GW GWCS GWHIS GWM GWS GWS GWSA GWY GXLA GXLA GXLA GXPM GXPM GY gz

Global VPN Gateway Gateway Switch Glue and Wave ISO country code for Republic of Guinea-Bissau General Wireless Communications Service Global-Wide Help & Information System Generic Window Manager Gateway Screening Genesis Work Station Gateway Service Analysis Gateway Generic Translation and Routing Team Global Translation GSF Translations and Routing Global XPM GSF XPM ISO country code for Republic of Guyana GNU Zip

back to top|0-9|A|B|C|D|E|F|G - H I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z H h H H H h h H H H H h H h H H# H&J H/M H/O H/O H/PC H/W H0 H0H11 H1 H11 H12 H2 H3 H4 H5 H6 HA HA HA

Half Handle Hashing Header Header File Header File hecto (10) Henry Hexadecimal High High High Frequency Horizontal hour Hybrid House Number Harris & Jeffries, Inc. Hotel/Motel Handoff Handover Hand-Held PC Hardware Channelized 384 kbps Channelized 384 and 1536 kbps Heading Level 1 (HTML tag) Channelized 1536 kbps Channelized 1920 kbps Heading Level 2 (HTML tag) Heading Level 3 (HTML tag) Heading Level 4 (HTML tag) Heading Level 5 (HTML tag) Heading Level 6 (HTML tag) Hardware Assigned HDLC Adaptor Head of Bus A

HA HA HA HA HA1 HAC HACA HACMP HAD HADS HADS HAI HAL HAL HAL HAL HALE HALO HALT HAM HAM HAMT HAN HAN HAN HANDO HANFS HAP HAR HAR HARC HARM HAs HAS HASAWA HAsl HASP HASU HAT HAT HAT HATS HATS HAW1 HAW2 HAW3 HAW4 HAx HAZMAT HB HB HB HB HB HB HBA HBC HBFG HBI HBL

High Assurance High Availability Home Agent Home Automation HDLC Adaptor, Type 1 Hearing Aid Compatibility Hybrid Adaptive-Channel Allocation High Availability Cluster Multiprocessing Half Amplitude Duration HOBIC istrative Hotel istration Data System Hardware Accelerator Interface Hard Array Logic Hardware Abstraction Layer (Windows NT) Hardware Abstraction Level Hierarchical Applications Limited High Altitude Long Endurance High Altitude Long Operation Highly Accelerated Life Test Hold and Modify Hybrid Access Method Human-Aided Machine Translation Home Area Network Host Access Network Hybrid Assigned Nematic Handover High Availability Network File System Host Access Protocol CENELEC Agreement for electrical cords and cables HARmonisation agreement for cables and cords Houston Advanced Research Center High-speed Anti-Radar Missile (US Military) Hauptanschluss (Main Station/Terminal/Connection) HIPPI-ATM-SONET Health and Safety At Work Act Hauptanschlussleitung (Main Service Line) Houston Automatic Spooling Program Hardware Assigned, Software Unassigned Hardware Address Translation Hash Anchor Table Home Area Toll Harmonization of Advanced Telecommunication Systems conference Head And Torso Simulator Continental U.S.-Hawaii submarine cable #1 Continental U.S.-Hawaii submarine cable #2 Continental U.S.-Hawaii submarine cable #3 Continental U.S.-Hawaii submarine cable #4 HDLC Adaptor, Type x Hazardous Materials Team Hard Blocking Head Bus (=master) Head of Bus B Height-Balanced High Band Hybrid Hardware Group Blocking Acknowlegment Signal High Blow Capacity (Fuse) Host Behavior Functional Group Horizontal Blanking Interval Hue, Brightness, Luminosity

HBO HBS HBT HBUR HBUS HBUS H-BUS HC HC HC HC HC HC HC HC HC HCA HCA HCB HCB HCCM HCDS HCDT HCF HCI HCIL HCL HCL HCMM HCMOS HCMOS HCMTS H H HCS HCS HCS HCSD HCSDS HCSM HCSS HCST HCT HCT HCTDS HCV HD HD HD HD HD HD HD HD HD HD HD HD HDA HDB

Home Box Office Home Base Station Heterojunction Bipolar Transistor Hardware Blocking/Unblocking Reception Hardware Blocking/Unblocking Sending Horizontal-Bus Horizontal Bus Half Call Half-Connection Handoff Call Hard Copy Harmonic Coding High Capacity Hold Capability (Call Hold) Hop Count House Cable High-Contrast Addressing Hybrid Channel Allocation Hardware Control Block History Control Block High Performance Common Channel Signaling Module High Capacity Digital Service Hold/Conference/Transfer/Drop Host Command Facility (NetView) Human-Computer Interaction Human-Computer Interaction Laboratory Hold Calling Line Hummingbird Communications Ltd. Heat Capacity Mapping Mission High-Density Complementary Metal-Oxide Semiconductor High-Speed Complementary Metal-Oxide Semiconductor High-Capacity Mobile Telecommunications System Hard Copy Printer Horizontal Candle Power (Optics) Hard Clad Silica Header Check Sequence Hierarchical Cell Structures High-Speed Circuit Switched Data High Capacity Satellite Digital Service High Performance Common Channel System Module High-Capacity Storage System Haut Comite des politiques Scientifiques et Techniques High-Capacity Transport Home Communications Terminal High Capacity Terrestrial Digital Service High Capacity Voice Half Duplex Handover Detection Hard Disk Hard Drive Harmonic Distortion Harmonization Document (CEN) HeaD(er) Heavy Duty High Day High Definition High Density Hold Head/Disk Assembly High Density Binary

HDB HDB HDB HDB HDB3 HDB3 HDB3 HDB3 HDBH HDBT HDC HDC HDC HDC

High Density Bipolar High Density Bipolar code History Data Block Home Database High Density Bipolar of Order 3 High-Density Bipolar- 3 Zeros High-Density Bi-polar 3 (line code) High-Density Bipolar Three High Day Busy Hour High Definition Broadcast Technology Device Context Handle Hard-Disk Controller High Definition Camera High Density Complementary Metal-Oxide Semiconductor (Motorola Inc

.) HDCD HDCT HDD HDDF HD-Divine HDF HDF HDF HDI HDI HDL HDLC HDLC HDLC HDM HDM HD-MAC HD-MAC HDML HDOC HDPE HDR HDR HDR HDR HDR1 HDR1 HDR2 HD-ROM HDS HDS HDSH HDSL HDSL HDSL HDSM HDT HDT HDTP HDTV HDU HDV HDVS HDW HDX

High-Density CD Hybrid Discrete Cosine Transform Hard-Disk Drive High Definition Digital Frame High Definition Digital Video Narrowband Emission HDSL Dual Framer Hierarchical Data Format Horizontal Distributing Frame Hardware Design Inspection Head/Disk Interference Hardware Description Language Hierarchical Data Link Control High Level Data Link Control (Protocol) High-Level Data Link Control Hardware Description Manual Hardware Device Module High Definition Multiplexed Analog Components High Definition Multiplexed Analogue Component TV Handheld Device Markup Language Hardware Document High Density PolythenE (Insulation) HDSL Dual Repeater Header Header Label High Density Recording Data Set Header Label 1 Header 1 Data Set Header Label 2 High-Density Read-Only Memory Head Set Holographic Diffractive Structure High Day Service Hour High-Bit-Rate Digital Subscriber Line High-Speed Digital Subscriber Line High-Speed Digital Subscriber Loop High Density Surface Mount Hawaii Daylight Time Host Digital Terminal Hoofdirectie Telecommunicatie en Post (NL) High Definition Television High Speed Data Unit High Definition Videotape High-Definition Video System Home Data Base Half Duplex

HDX HE HE HE HE HE/CO HEC HEC HEC HEC HECI HEE HEHO HEL HEL HEL HEM HEM HEMP HEMP HEMS HEMT HEO HEO HEO HEOS HEP HES HEX HEXID HF HF HF HF HFC HFC HFDF HFP HFP HFS HFS HFS HFT HFU HFU HG HG HGA HGA HGB HGB HGC HGC HGED HGHT HG-I HGL HGU HH HH

Half DupleX operation Headend Head-End Header Extension Heat Exchanger Head-End/Central-Office Header Error Check Header Error Control Header Error Correction Header Extension Code Human Equipment Catalog Item High Emitter Efficiency (Semiconductor Fabrication Process) Head-End Hop-Off Hardware Emulation Layer Header Extension Length High Energy Laser Headend Manager Horizontal Editing Mode High-Altitude Electromagnetic Pulse High-level Entity Management Protocol (T/IP-DoD) High-level Entity Management System (T/IP-DoD) High Electron-Mobility Transistor High Elevation Orbit Highly Elliptical Orbit Highly-inclined Elliptical Orbit Highly Eccentric Orbit Satellite Heterogenous Element Processor Home Electronic Systems (IEC) Hexadecimal Hexadecimal Identifier Hands-Free High Float High Frequency (3...30 MegaHertz) Human Factors High Frequency Correction Hybrid Fiber Coax High Frequency Distribution Frame HDLC Frame Processor Host-to-Front-End Protocol Hierarchical File System High-performance File System Human Factors Society HDLC Frame Transceiver Handsfree Unit Hands-Free Unit Hunt Group ISDN Multiline Hunt Group Hardware Carrier Group Alarm Hercules Graphics Adapter Hardware failure oriented Group Blocking message Hardware Group Blocking Signal Hercules Graphics Card Hercules Graphics Controller High Gain Emissive Display Hunt Group Hunt Terminal ISDN Hunt Group Hewlett Packard Graphics Language File Hardware Group Unblocking Signal Handheld Hanging Handset

HH HH HH HH HHI HHO HHOK HHP HI HI HI HI HIA HIC HIC HIC HIC HIC HICC HICOM HIDF HIDLE HIDOM HIE HIER HIF HILDA HILI HINFO HINIL HIO HIO Hiperlan HIPER-LAN HIPPI HIPPO Hippo HIS HIS HiS HIS HIT HIT HIU HIU HIU hk HK HKCR HKCU HKLM HKZ HL HL HL HLA HLC HLC HLC HLC

Header Hub High-High High-High Algorithm Horizontal High Human-Human Interaction Hard Handover Ha ha only kidding Handheld Portable Phone Handover Initiation Hashed Index High Priority U.S. postal code for Hawaii Human Interface Architecture Handset Identity Code Header Integrity Check Heterogeneous InterConnect Highest Incoming Channel Hybrid Integrated Circuit Host Interface Chip with Channel Supervision High Technology Communication Horizontal side of Intermediate Distribution Frame High Idle High Impedance Digital Output Mode Host Interface Equipment Hierarchical Host Interface High Level Debugging Assistant HIgher Layer Interface (IEEE 802.1) Host Information HIgh-Noise-Immunity Logic Halt I/O Highly Inclined Orbit High Performance Radio Local Area Network High Performance Radio LAN High-Performance Parallel Interface High Speed Instruction Prefetcher and Path Organizer HIPPO functionality plus additional functionality Highest Issue Home Intercom Service Home internet Solution Hospital Information System Hierarchical Incremental Testing High Isolation Transformer Headend Interface Unit Home Database Interface Unit Host Interface Unit Internet country code for Hong Kong ISO country code for Hong Kong HKEY_CLASSES_ROOT HKEY_CURRENT_ HKEY_LOCAL_MACHINE Haupanschlusskennzeichen (German analog protocol without DDI) Higher Layers High-Low Hot Line High Level Assembler High Layer Capabilities High Layer Compatibility High Level Committee (ITU) Higher Layer Compatibility

HLCDBL1 High-Layer Compatibility Information Delivery Billing Records ranetwork) HLCDBL1P High-Layer Compatibility Information Delivery Billing Records ranetwork) for PRI HLCDBL2 High-Layer Compatibility Information Delivery Billing Records ernetwork) HLCDBL2P High-Layer Compatibility Information Delivery Billing Records ernetwork) for PRI HLCIE High Layer Compatibility Information Element HLCIT High Layer Compatibility Information Transfer HLD Call Hold HLD Head Load HLD High Level Design HLD High Level Document HLD Hold HLDA Hold Acknowledge HLDE High Level Design Estimate HLDR High-Level Design Review HLE Host Link Extension HLEN Header Length HLF High Layer Function(s) HLF Higher Layer Function(s) HLF High-Level Format HLF High-Level Formatting HLFD High Level Feature Design HLI High-Layer Information HLIC High Level Intent Code HLIU High Speed Link Interface Unit HLL High Level Language HLL High Level Logic HLL High Loss Loopback HLL High-Level Language HLLAPI High-Level Language API (IBM) HLLB High Loss Loopback HLM Heterogeneous LAN Management (IBM, 3COM) HLMS Heterogenous LAN Management Specification HLN Headline News HLN Hot Line (Direct Connect Line) HLP Help File HLPI High Level Protocol Interworking HLPI Higher Layer Protocol Identifier HLR Hidden-Line Removal (3-Dimensional Electronic Imaging) HLR Home Location (GSM term) HLR Home Location Registry HLRN Home Location Routing Number HLS Hue, Lightness, Saturation HLS Hue, Luminance, Saturation HLS Hue, Luminosity, Saturation HLSC High-Level Service Circuit HLSIB High-Level SIB HLT Halt HLT Halt (80x86 inst) HLT Head Load Time HLT Heterodyne Look-Thru HM Hotel/Motel HM Hotel/Motel Selection HM ISO country code for Heard and McDonald Islands HMA High Memory Area HMA Human-Machine Adaptation HMB Higher Middle Byte

(Int (Int (Int (Int

HMBN HMBS1 HMBS1D HMBS1V HMBS2 HMBS2D HMBS2V HMBS3 HMBS3D HMBS3V HMBS4 HMBS4D HMBS4V HMCG HMCS HMD HMDC HMDF HMDT HMI HMI HMI HMI HML H-MLP HMM HMMP HMMS HMOS HMP HMR HMRP HMRT HMS HMS HMSC HMSH HMSO HMTG HMUX H-MUX H-MVIP HN HN HNFN HNL HNPA HNS HNT HO HO HO HOB HOB HOBIC HOBIS HOC HOC HOC HOC

Hotel/Motel Service Selection Billing Number Hunt Make Busy Set 1 Hunt Make Busy Set 1 CMD Hunt Make Busy Set 1 VI Hunt Make Busy Set 2 Hunt Make Busy Set 2 CMD Hunt Make Busy Set 2 VI Hunt Make Busy Set 3 Hunt Make Busy Set 3 CMD Hunt Make Busy Set 3 VI Hunt Make Busy Set 4 Hunt Make Busy Set 4 CMD Hunt Make Busy Set 4 VI Signaling Link Congestion Hotel/Motel Class of Service Head-Mounted Display MTP Message Discrimination Horizontal side of Main Distribution Frame MTP Message Distribution Horizontal Motion Index Host Micro Interface Hub Management Interface Human-Machine Interface Multiline Hunt Group High speed Multi-Layer Protocol Hidden Markov Model Hyper Media Management Protocol Hypermedia Management Schema High-Performance NMOS Host Monitoring Protocol Hotel/Motel Routing Hotel/Motel Pulsing MTP Message Routing Hierarchical Master-Slave Host Mediation Services Home MSC High Month Service Hour Her Majesty's Stationary Office (UK) Homogeneous Trunk Group Hybrid Multiplexer Hybrid Multiplexer High-Capacity MVIP Hungarian Notation ISO country code for Republic of Honduras Home Numbering and Foreign Numbering number of LSBs to be compared when operating outside Home Network Home Numbering Plan Area Hughes Network Systems Hunt Handoff Handover Hotel Head of Bus Hierarchical Operational Binding Hotel Billing Information Center Hotel Billing Information System Handover Control Highest Incoming Channel Highest Outgoing Channel Host Collector

HOC HoD HO-DSP HOF HOH HOL HOL HOL HOLD HOLD HOLD ACK HOLD REJ HON HOOD HOOPS HOP HOPA HOPL HOPS HOPSN HOPT HOS HOST HoT HOT HoT HOT HOT HOTH HOTL HOVC HP HP HP HP HP HP DST HP VUE HPA HPA HPA HPA HPAD HPBW HPC HPC HPC HPC HPCC HPCS HPDD HPDLC HPDS HPDST HPF HPF HPFR HPFS HPGL HP-GL

Host Office Collector Head of Department (ETSI) High Order Domain Specific Part Head Of Form HDSL Overhead Head of the Line High Order Language Holiday List (Table) call HOLD (supplementary service) Hold message Hold Acknowledge message Hold Reject message Handover Number Hierarchical Object Oriented Design Hierarchical Object-Oriented Programming System Higher Order Path Higher Order Path Adaptation History of Programming Languages Host Proximity Service Higher Order Path Sub-Network Higher Order Path Termination Higher-Order Statistics HOST computer Home Office Technology Home Office Telecommunication Home Office Telephony Hot Line Hotel/Motel Handoff Threshold High Handoff Threshold Low Higher Order Virtual Container Hewlett-Packard High (filter) High Priority Home Page Home ed Hewlett Packard Distributed Smalltalk Hewlett-Packard Visual Environment High Performance Addressing High Power Amplifier Higher-order Path Adaptation Horizontal Position Absolute Host Packet Assembler/Disassembler Half Power Beam Width Hand-held Personal Computer High Performance micro-Controller High Probability of Completion Higher-order Path Connection High Performance Computing and Communications (US) Heterogeneous PCS High Performance Disk Driver Hewlett-Packard (Inc.) Data Link Control Hewlett-Packard Distributed Smalltalk Hewlett-Packard Distributed Smalltalk High Filter High Performance FORTRAN High Performance Frame Relay High Performance File System Hewlett-Packard Graphics Language Hewlett-Packard Graphics Language

HP-HIL HPIB HP-IB HPIN HPJ HPJ HPLMN HPM HPN HPOV HPP HPPA HP-PA HP-PB HPPI HPR HPR HPS HPSOS HPSOS HP-SOS HPSS HPT HPT HPU HPUX HP-UX HPV HPV HQ HQ HR HR HR HR HR HR HR HR HR HRC HRC HRC HRC HRCDC HRD HRD HRD HRDP HREF HRFAX HRI HRN HRP HRSC HRSC HRT HRTF HRX HRX

Hewlett-Packard Human Interface Link Hewlett-Packard Interface Bus Hewlett-Packard Interface Bus Handset Personal Identification Number Help Project file High Performance Compiler for Java Home Public Land Mobile Network High-Performance Module High Performance Network Hewlett-Packard OpenView Heuristic Programming Project (Application of AI) Hewlett-Packard Precision Architecture Hewlett-Packard Precision Architecture Hewlett-Packard Precision Bus High Performance Parallel Interface (ANSI) High Performance Routing Horizontal Position Relative High Power Satellite Hewlett Packard Switch Operating System High Performance Switch Operating System HP-based Operating System High-Performance Switching System Hand-held Personal Telephone Higher-order Path Termination Hand Portable Unit Hewlett-Packard Unix Hewlett-Packard Unix High Performance Video Highest PVC Headquarter High Quality Half Rate Half Rate High Reliability High Resistance High Runner Hitachi Review (periodical) Horizontal Rule (HTML tag) Human Resources ISO country code for Hrvatska (Croatia) HaRd Copy Hybrid Ring Control Hypothetical Reference Circuit Hypothetical Reference Connection High Runner Call Data Compression Handbook of Reliability Data High-Resolution Diagnostics Hypothetical Reference Decoder Hypothetical Reference Digital Path Hypertext Link Reference (HTML tag) High Resolution Facsimile High Resolution Imagery Highest Response Ratio Next Hardware Reference Platform High Runner Structure Code Hypothetical Signaling Reference Connection High Rate Telemetry Head-Related Transfer Function Hypothetical Reference Circuit Hypothetical Reference Connection

HS HS HS HS HSAM HSB HSC HSC HSCD HS HSCR HSCSD HSCT HSD HSDA HSDC HSDL HSDM HSDS HSDU HSDU HSET HSG HSI HSI HSI HSI HSIO HSL HSL HSL HSL HSLAN HSLI HSLN HSLR HSM HSM HSM HSMO HSN HSN HSO HSP HSP HSPTP HSPTR HSQR0 HSQR1 HSR HSR HSR HSR HSR HSRP HSRR0 HSRR1 HSS HSSC HSSDS

Half Session HandSets Hatch Style High Speed Hierarchical Sequential Access Method Hue, Saturation, Brightness Hexadecimal Sequential Code Home Shopping Channel High Speed Circuit Data High Speed Card Punch Hardware Scheduler Condition High Speed Circuit Switched Data High Speed Compound Terminal High Speed Data High Speed Data Access High-Speed Data Card High Speed Data Link High-Speed Data Module High-Speed Data System High Speed Data Unit High Speed Dial Up Headset Trunk High Sierra Group Hardware-Software Interface High Speed Interface High-layer Status Indicator Hue Saturation Intensity (Electronic Imaging) High-Speed I/O High Speed Link High-Level Scripting Language High-Speed Signaling Link Hue, Saturation, and Luminosity High-Speed LAN High-Speed Line Interface High Speed Local Network High Speed Link Route Hierarchical Storage Management Hierarchical Storage Manager Host Switching Module High Stability Master Oscillator Home Shopping Network Hopping Sequence Number Host Switching Office High Speed Printer Host Slave Present High Speed Paper Tape Punch High Speed Paper Tape Reader Host Sequence 0 Host Sequence 1 Hardware Status Hidden-Surface Removal (3-D Electronic Imaging) High Speed Reader Home Service Region Horizontal Scan Rate Hot Standby Router Protocol Host Service Request 0 Host Service Request 1 High Speed Switch High Speed Signalling Capability High Speed Switched Digital Service

HSSI HSSL HST HST HSV HT HT HT HT HT HT HT HT HT HT HTA HTA HTABL HTC HTC HTCMDBL HT HTD HTD HTDS HTF HTFS HTGB HTJ HTL HTL HTL HTML HTR HTR HTRB HTRF HTRLD HTRP HTS HTS HTS HTS HTSL HTTG HTTP HTTPD HTTP-NG HTU HTU-C HTU-R HTVBL HU HU HU HU HUA HUD HUG HUI

High Speed Serial Interface High-Speed Signaling Link Hawaii Standard Time High-Speed Technology Hue, Saturation, Value Halt Typing High Tension High Tone Hilly Terrain Holding Time Home Terminal Horizontal Tab Horizontal Tabulation Hyper Terminal file ISO country code for Republic of Haiti Hunting Allowed HyperText Application Hunt Terminal Aggregate Busy Limit HDLC Transceiver Cell Highest Two-Way Channel Hunt Terminal Busy Limit for Circuit Mode Data Calls Hyper Text Coffee Pot Control Protocol Hardware Technology Division Hunting Denied HDLC Transparent Data Service Hub Terminal Facility High Throughput File System High Temperature Gate-Bias (Power Semiconductor Stress) Horizontal Tab with Justification High Threshold Logic Hot Line Hotel Call HyperText Mark-up Language Hard-to-Reach Hierarchical Trunk Reservation High Temperature Reverse-Bias Hard-to-Reach Flag Handoff Threshold Hard-to-Reach Peg High-Temperature Superconductive High-Temperature Superconductivity Home Team Sports Horizontal Tab Set HochTemperatur SupraLeiter Heterogeneous Trunk Group Hypertext Transfer Protocol HTTP Daemon HTTP-Next Generation HDSL Terminal Unit HDSL Terminal Unit- Central Office HDSL Terminal Unit- Remote Site Hunt Terminal Busy Limit for Voice Calls Hardware Unassigned High Usage Home Unit ISO country code for Hungarian People's Republic (Hungary) Hardware Group Unblocking Acknowledgment Signal Heads Up Display High-Usage Group Help Interface

HUNT HUNTYP HUT HUT HUTE HV HVAC HVC HVC HVEPIC HVIC HVL HVP HVP HVP HVS HVS HVSD HVSt HVt HW HW HW HW HwAns HWC HWD HWDP HWFIT HWLR HWND HWR HX HXS HyCoS Hz

Hunting Hunting Type High Usage Threshold High Usage trunk High Usage Threshold Exceeded High Voltage Heating, Ventilation and Air Conditioning High-Order Virtual Container Hue, Value, and Chroma High Voltage Enhanced Performance Implanted CMOS (IC Process) High Voltage Integrated Circuit Half-Value Layer Hierarchical Virtual Partitioning High-Voltage Protection Horizontal and Vertical Position Hospitality Voice Services Human Visual Systems High Voltage Shutdown Hauptvermittlungsstelle (Tandem Level Switching Exchange) Hauptverteiler (Main Distribution Frame) Half Word Halfword Hardware High and Wet Announcement Hardware Controller Height, Width, Depth Hardware Development Process Hardware Fault Insertion Test Howler message Handle to a Window Heavy Water Reactor Halt Execution Home eXtended Service network Hypermedia Communication Server Hertz

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Current Image Indication Information Information field In-Phase int Intensity Interactive Framework Interactor Interconnectivity Interface Intermediate Frame Intra Picture (frame) Intraframe Italic Italics (HTML tag) Interworking and Interoperability

I/A I/C I/E I/F I/G I/O I/OC I/S I/S I/S I/T I18N I2 I2 I2O I2T I3 I4 IA IA IA IA IA IA IA IA IA Ia IA IA IA IA IA5 IA-64 IAA IAA IAAB IAAC IAB IAB IAB IABS IAC IAC IAC IAC IAC IAC IAC IAC IAC IAC I-ACB I-ACG IA I-ACR IACS IACS IAD IAD

Inquiry/Acknowledgement Incoming Implicit/Explicit Interface Individual/Group Input/Output Input/Output Channel Information Systems Information/Supervisory Type Packet In-Service Information Technology Internationalization Interface Paging Area Controller-BS Internet2 Intelligent I/O Intelligent Interface Technology Interface Paging Network Controller-Paging Area Controller Interface Paging Network Controller-Paging Network Controller Aggregate Only for Calls Incoming to BBG Implementation Agreement Incoming Access Ineffective Attempt Initial Address Integration Alpha Integration Alpha Tested Intel Architecture Intelligent Agent Interface point a International Alphabet Internet Assistant Intrabay U.S. postal code for Iowa International Alphabet No. 5 Intel Architecture-64 IAM Acknowledgement message Ineffective Attempt Analysis Inter-American Association of Broadcasting Inter-Access Agent Communication Initial Address Buffer Internet Activities Board Internet Architecture Board Integrated Access Billing System Industry Advisory Committee Information Access Corporation Initial Alignment Control Integrated Access Controller Interapplication Communication International Access Code Internet Association of the Carolinas Interpret As Command Intracalling ISDN Access Controller ISDN Automatic Callback Incoming Automatic Code Gap Initial Address Confirmation Pointer ISDN Anonymous Call Rejection Integrated Access and Control System Integrated Access and Cross-Connect System Integrated Alarm Display MDII: Incomplete Address Detected

IAE IAF IAF IAF IAF IAG IAGC IAHC IAI IAI IAL IAL IALA IAM IAM IAML IAN IAN IANA IANAL IANL IAO IAO IAOG IAP IAP IAP IAP IAR IAR I-AR IARU Ias IAS IAS IAS IASG IASG IASP IASP IAT IAT IAT IAT1 IAT2 IAT3 IATA IATMT1 IATMT2 IATMT3 IATMT4 IAV IAV I-AWC IAYF IB IB IB IB IB

Integrated Access Equipment Intelligent Access Function Intelligent Alarm Filtering Interleaf ASCII Format Internet Address Finder Instruction Address Generation Instantaneous Automatic Gain Control International Ad Hoc Committee Initial Address Information Initial Address Message with Additional Information Intel Architecture Lab International Algebraic Language International Association of Lighthouse Authorities Initial Address Message Integrated Access Module Intraoffice Matching Loss Integrated Analog Network Internetworking among ATM Networks Internet Assigned Numbers Authority I am not a lawyer Immediate Action Noise Limit Intraoffice Intraoffice Optical Interface International D Operators Group Industrial Applications Programming Initial Acquisition Phase Intercept Access Point Internet Access Provider IAM Reject message Incoming Access Restrictions ISDN Automatic Recall International Amateur Radio Union Intelligent Agents Internet Authentication Server Internet Authentication Services Intraswitching Internet Address Subgroup Internet Address Summary Group Initial Address Service Pointer Interactive Automated Split-Referral Information Access Technology Integrated Access Terminal ISDN Architecture Team Interannouncement Timer 1 Interannouncement Timer 2 Interannouncement Timer 3 International Air Transport Association Interannouncement Treatment 1 Interannouncement Treatment 2 Interannouncement Treatment 3 Interannouncement Treatment 4 Integrated Access Vehicle Intelligent Access Vehicle Intelligent Area Wide Centrex Information At Your Fingertips In-Band Inband Signaling Incoming Busy Information Brokerage Input Buffer

Ib IBA IBA IBAC IBAS IBAT IBBA IBC IBC IBC IBCN IBCS iBCS IB-DCA IBDN IBDN ibe IBERT IBERT IBERT IBEW IBEX IBG IBGP IBI IBL IBL IBM IBMCS IBMJRD IBML IBMS IBMSJ IBN IBN IBN IBN IBN7 IBNAC IBNC IBNS IBNT2 IBNTI IBNTO IBOC IBP IBP IBP IBR IBRC IBS IBS IBS IBSG IBSS IBT IBT IBTM IBTN IBTO

interface point b Inband Alerting Independent Broadcasting Authority In-Band Adjacent Channel Integrated Broadband Access System Instruction BAT Intelligent Building Business Alliance Integrated Broadband Communications International Broadcasting Convention ISDN Burst Transceiver Circuit Integrated Broadband Communication Network Integrated Business Communication Systems Intel Binary Compatible Standard Interference-Based Dynamic Channel Allocation Individual Billing Directory Number Integrated Building Distribution Network Immediate Block Errors Integrated Bit Error Rate Test Integrated Bit Error Rate Tester Integrated Bit Error Rate Testing International Brotherhood of Electrical Workers Input, Block, Extra Interblock Gap Internal BGP International Broadcasting Institute Individual Business Line Initial Boot Loader International Business Machines IBM Cabling System IBM Journal of Research and Development (periodical) Interbay Message Link Input, Block, Missing IBM Systems Journal (periodical) Institut Belge de Normalisation (B) Integrated Broadband Network Integrated Business Network Isolated Bonding Network Integrated Business Network CCS7 IBN Attendant Console Input, Block, Not Consistent Integrated Business Network Services Integrated Business Network Two-Way Trunk Group Integrated Business Network Incoming Trunk Group Integrated Business Network Outgoing Trunk Group In-Band On Channel Incremental Bar Printer Interupted Bernoulli Process Itty-Bitty Processor Initial Business Review In-Band Reversed Channel Integrated Business Services Intelligent Base Station INTELSAT Business Service Internetwork Broadcast Sub-Group Independent Basic Service Set Illinois Bell Telephone Intrinsic Burst Tolerance Interactive Billing Transaction Manager Integrated Broadband Telecom Network (ISDN) International Broadcasting and Television Organization

IBUFG IBUS I-BUS IBWM IBWM IC IC IC IC IC IC IC IC IC IC IC IC IC IC IC IC IC IC IC IC IC IC IC IC IC1 IC2 ICA ICA ICA ICA ICA ICAM ICAMA ICAN ICAN I-CAN I-CAN ICAO ICAPI ICARUS ICAS ICB ICB ICB ICB ICB ICB ICBM ICBR ICC ICC ICC ICC ICC ICC

Internetwork Broadcast/Unknown Functional Group Intelligent Bus Intelligent Broadcast/Unknown Server Intelligent Bandwidth Management Intelligent Bandwidth Manager In Charge Include Call (TETRA) Incoming Incoming Call Independent Certification Individual Contributor Information Channel Input Context Input Controller Installable Command Instruction Counter Instruction Fetch Cycle Integrated Circuit Integrated Controller Integration Complete Intelligent Copier Intercept Interconnect Interexchange Carrier Interface Control Interference Cancellation InterLATA Carrier Interlock Code International Channel Interface Configuration Phase 1 Interface Configuration Phase 2 Independent Computing Architecture Information Content Architecture Inter Component Assessment Intercom Appearance International Communications Association Integrated Computer-Aided Manufacturing International Centralized Automatic Message ing Individual Circuit Analysis Integrated Customer Advanced Networking Integrated-Customer Advanced Networking ISDN-Customer Advanced Networking International Civil Aviation Organization Internet Connection API Integrated Circuit Artwork Utility System Interconnection and ing Separation Incoming Call Barring Incoming Calls Barred Individual Case Basis Integrated Channel Bank Integrated Chernoff Bound Integrated Collector Bus InterContinental Ballistic Missile (Military) Intracompany Business Rules Illinois Commerce Commission Incremental Corrective Content Independent Common Carrier Inspection Coordination Committee (IEC) Integrated Circuit Card Integrated Communication Controller

ICC ICC ICC ICC ICC ICC ICC ICC ICCB ICCB ICCC ICCC ICCCM ICCF ICCM IC ICCS ICCS ICCT ICCV ICD ICD I-CD ICDA I-CDB ICDC ICDCS ICDIAL ICDL ICDR ICDR ICE ICE ICE ICE ICE ICE ICE ICECAN ICES ICF ICF ICF I-CF I-CFB I-CFBIO I-CFDA I-CFDAIO ICFG I-CFIB I-CFIBIO I-CFIG I-CFIO I-CFPF I-CFV I-CFVCG ICG ICG ICG ICG

International Chamber of Commerce International Color Consortium International Communications Conference International Computation Center (UNESCO) International Conference on Communications International Control Center Internodal Communications Controller ISDN Communications Controller Internet Configuration Control Board Internet Control and Configuration Board Inter-Client Communications Conventions International Conference on Computer Comunications Inter-Client Communications Conventions Manual Industry Carriers Compatibility Forum Incoming Call Center Management Informations Computer and Communications Policies (OECD) Incremental CCS International Conference on Communications Systems International Conference on Communication Technology International Credit Card Validation InterLATA Carrier Domestic International Code Designator ISDN Call Deflection Integrated Cached Disk Array ISDN Call Deflection for Basic Rate Interfaces InterLATA Carrier Denial Check International Conference on Distributed Computing Systems Interexchange Carrier Dialing Intermediate Circuit Description Language IC Denial Check Response Inward Call Detail Recording In-Circuit Emulation In-Circuit Emulator Integrated Capacity Expansion Integrated Communications Environment (AUXCO) Integrated Cryptographic Engine Interference Canceling Equalizer ISDN Capacity Enhancement Iceland-Canada submarine cable International Conference on Electronic Switching Information Conversion Function Intelligent Control Function Isochronous Convergence Function ISDN Call Forwarding ISDN Call Forwarding Busy ISDN Call Forwarding Interface Busy Incoming Only ISDN Call Forwarding Don't Answer ISDN Call Forwarding Don't Answer Incoming Only IASG Coordination Function Group ISDN Call Forwarding Interface Busy ISDN Call Forwarding Interface Busy Incoming Only ISDN Call Forwarding Intragroup Only ISDN Call Forwarding Incoming Only ISDN Call Forwarding Over Private Facilities ISDN Call Forwarding Variable ISDN Call Forwarding Variable for Customer Groups Intercom Group Intercom Groups Inter-sector Coordination Group Intersectoral Coordination Group

ICH ICH ICI ICI ICI ICI ICI ICI ICI ICI ICI ICI ICI I-CIDS ICIP ICL ICL ICL ICL ICL ICL ICLATA ICLID ICLT ICM ICM ICM ICM ICM ICM ICM ICM ICM ICM ICM ICM ICMCS ICMD ICMO ICMP ICMPv6 ICMR ICMS ICN ICn ICN ICN ICN ICN ICN ICN I-CNAB I-CNAM ICNC I-CNIS I-CNIS IC-NNI ICNQ ICNV ICO

Insert Character(s) International Call Handling Image Component Information Incoming Call Identification Incoming Call Identifier Incoming Call Indication Incoming Call Indicator Ingress Context Identifier Inter-Carrier Interface Interexchange Carrier Interface Interface Control Information InterLATA Carrier International Intermedia Communications of Florida Inc. ISDN Calling Identity Delivery and Suppression Intercarrier Interface Protocol Incoming Callers List Incoming Line Incremental Class Loading Inserted Connection Loss International Computer Limited Inter-union Commission on the Lithosphere Intra-LATA Carrier Selection Incoming Calling Line Identification Integrated Circuit Laser Testing IEEE Communications Magazine (periodical) Image Color Matching In-Call Modification Incoming Call Memory Integrated Call Management Integrated Computer Module Integrated Node Maintenance Intelligent Call Management Intercom Interface Control Model Interface-Control-Model Inward Call Management International Conference on Multimedia Computing and Systems Instruction MMU/Cache/TIC Command Incoming Message Overload Internet Control Message Protocol Internet Control Message Protocol for IPv6 Input Common Mode Rejection Integrated Circuit and Management Switch Idle Channel Noise Integrated Communications Network Integrated Community Networks Intercellular Node Interconnecting CCS Network Interconnecting Network Interconnection Network International CUG Number ISDN Calling Name Delivery Blocking ISDN Calling Name Delivery Input, Command, Not Consistent ISDN Calling Number Identification Services ISDN Calling Number Information Services Inter Carrier Network Node Interface InterLATA Call Name Query Input, Command, Not Valid Current Controlled Oscillator

ICO ICO ICO ICO ICO ICOC ICODE ICOM ICOM ICOMP ICONE ICOT I I I I I I I I I I I I I I I- ICA ICE IM ITO ITT I-U ICR ICR ICR ICR ICR ICRC ICRD ICRD ICRDP ICRL ICRM ICRM I-CROR ICS ICS ICS ICS ICS ICS ICS ICS ICS ICS ICS ICS ICS ICSA

Icon Icon File Independent Company Instant Change Order Intermediate Circular Orbit Interchangeable Central Office Code Identification Code cordless fixed part InterCOM capability Intercom Intel Comparative Microprocessor Performance Index COmparativ des Normes nationales en Europe ISDN Conformance Testing IMA Control Protocol In-Circuit Programming Independent Certification Process Independent Content Provider Initial Connection Protocol (ARPANET) Installation Change Procedure Instituto das Comunicacoess de Portugal (P) Integrated Cellular Peripheral Integrated Circuit Piezoelectric (Accelerometers) Intelligent Cellular Peripheral Interexchange Carrier Preselection Internet Cache Protocol Internet Control Pack Internet Control Protocol ISDN Call Pickup International Common Peripheral Controller Array International CE Incidental Carrier Phase Modulation Intercept Treatment for Origination Intercept Treatment for Termination ISDN Call Pickup Incremental Composition and Reduction Initial Cell Rate Intelligent Character Recognition International Call Recording Internet Call Routing ILM Central Resource Controller International Call Redirection or Deflection Internetwork Call Redirection or Deflection Internetwork Call Redirection and Deflection Prevention Individual CRL Integrated Cell-site Remote Multiplexer Integrated Cellular Remote Module ISDN Call Redirection DTE Out of Order ILM Connection Service Implementation Conformance Statement Incoming Call Screening Installation Certification System Integrated Client Setup Integrated Communications System Integrated Computer Solutions Intelligent Cell Site Intelligent Communications Services International Chamber of Shipping Internet Chess Server Inward Call Screening ISN Cabling Structure International Computer Security Association

ICSAPI Internet Connection Services API ICSC Inactive Call Service Component ICSC Interexchange Customer Service Center ICSC Interim Communications Satellite Committee ICSI International Charged Subscriber Identity ICSR IntelliLight Custom SONET Ring ICSS IBM Continuous Speech Series ICSS International Computer Science Series (Addison-Wesley) ICSS Internet Connection Secure Server ICST Institute for Computer Science and Technology (NIST) ICST ISDN Customer Solutions Team ICSTIS Independent Committee for the Supervision of Standards of Telephon e Information Services ICSTTN Conference Publication No. 52 of IEE Conference on Switching Techn iques for Telecommunications Networks (London, 1969) ICSU International Council of Scientific Unions ICSW Inter-CAM Switch ICT In-Circuit Test ICT Incoming Trunk ICT Information and Communications Technologies (EU 4th Framework Prog ramme) ICT International Call Transfer ICTL Instruction MMU/Cache/TIC Control ICTS Integrity Check Traffic Simulator ICU Increment Change Unit ICU ISA Configuration Utility ICUG International Closed Group ICUG International Closed Group ICUP Individual Circuit Usage and Peg Count ICUPC International Conference on Universal Personal Communications ICW Interrupted Carrier wave ICW Interrupted Continuous Wave ICXPT Incoming Crosspoint ID Identification ID Identifier ID Identity ID IDentity code (generic name for PID, LID) ID IDentity element ID Immediate Dial ID Inside Diameter ID Instruction Decoding and Operand Fetching ID Intercom Dialing ID Interface Data ID Interface Design ID Interfaces Defined ID Interfaces Designed ID Internet Draft ID ISO country code for Republic of Indonesia ID Protocol Identifier ID Task Identification ID U.S. postal code for Idaho I-D Internet Draft IDA Integrated Digital Access IDA Interchange of Data Between istrations I-DAL ISDN Distinctive Alerting IDAPI Independent Database Application Programming Interface IDAPI Integrated Database Application Programming Interface IDAS Intercept Data istration System IDB Bitmap ID IDC Cursor ID

IDC IDC IDC IDC IDC IDC IDC IDCC IDCC IDCC IDCCC IDCI IDCT IDCU IDD IDD IDD IDDD IDDD IDDE IDDF IDDS IDDU IDE IDE IDE IDE IDEA IDEA IDEA IDEA IDEC iDEN IDES IDF IDF IDF IDF IDF IDFT IDG IDGB IDI IDI IDIS IDL IDL IDL IDL IDL IDL IDLC IDLERCV IDLETRMT IDLT IDM IDM IDM IDM IDM

Incoming Digit Conversion Insulation Displacement Connector Integrated system digital network Data Controller International Data Corporation International Digital Communications Internet Database Connector ISDN Drawer Controller Integrated Digital Cross Connect International Data Communications Center International Data Coordination Centres Integrated Decoupling-Capacitor Chip Carrier (VLSI Packaging) Interim Defined Central Office Interface Inverse Discrete Cosine Transform Integrated Digital Carrier Unit Integrated Design and Delivery Interface Design Document International Direct Dialing International Direct Distance Dialed International Direct Distance Dialing Integrated Development and Debugging Environment Intermediate Digital Distribution Frame International Digital Data Service Interactive Data Definition Utility End of Identification Integrated Development Environment Integrated Drive Electronics Project File Information Delivery Electronic Access Interactive Digital Electronic Appliance International Data Encryption Algorithm International Data Exchange Association ISDN D-Channel Exchange Controller Integrated Dispatch Enhanced Network Interactive Data Entry System Identifier of Data Field Intermediate Distributing Frame Intermediate Distribution Frame Isolation Detection Function MIDI Instrument Definition file Inverse Discrete Fourier Transform International Data Group IDG Books Icon ID Initial Domain Identifier Interbourse Data Information System Idle Interactive Distance Learning Interchip Digital Link Inter-Digital Link Interface Definition Language Interface Description Language Integrated Digital Loop Carrier Idle Receive Idle Transmit Idle Time Indication Deferral Mechanism Information Dependency Manager Initialization Dependency Manager Integrated Design Methodology (IC Design) Integrated Device Maintenance

IDMA IDMR IDN IDN IDN IDNC IDND IDNV IDNX IDO IDOC IDP IDP IDP IDP IDP IDP IDP IDP IDP IDP IDP IDP IDPL I-DPN IDPR ID-PROM I-DPU IDR IDR IDR IDR IDR IDRG IDRP IDS IDS IDSE IDSL IDSL IDSM IDSS IDST IDST IDT IDT IDT IDT IDT IDT IDT IDT IDT IDT IDT IDTC IDTE IDTR IDTV IDTV

Independent Direct Memory Access Inter-Domain Multicast Routing Integrated Digital Network Integriertes Datennetz (Integrated Data Network) International Data Number Input, Data, Not Consistent International Do Not Disturb Input, Data, Not Valid Integrated Digital Network eXchange Interface Definition Object Internal Dynamic Overload Control Industrial/Integrated Data Processing Initial Detection Point Initial Domain Part Initial Domain part internet datagram Protocol Inividualized Dialing Plan Integrated Data Processing Integrated Detector-Preamplifier (Opto-Electronics) Intercom Dialing Plan Interdigit Pause Internetwork Datagram Protocol (XNS) Internetwork Diagram Protocol Iterative Development Process Identifier Pools ISDN Directed Call Pickup- Nonbarge-In Inter-Domain Policy Routing Identity PROM ISDN Directed Call Pickup- Barge-In ID Identification Request message Integrated Digital Radio Intelligent Disaster Recovery Intermediate Data Rate Input, Data, Range Error Inter-Domain Routing Protocol Intruder Detection System ISI Document Solutions International Data Switching Exchange ISDN Digital Subscriber Line ISDN Digital Subscriber Loop Intergrated Distributed Systems Management Integrated Document System Information et Documentation Scientifique et Technique Integrated Digital Services Terminal Incremental Delivery Technology Integrated Delivery Team Integrated Design and Test Integrated Device Technology Integrated Digital Terminal Interactive Design Tool Interactive Development Tool Interdigit Timing Interdigital Time Interface Development Tool Interrupt Descriptor Table International Digital Trunk Controller International Digital Trunk Equipment Interrupt Descriptor Table Improved Definition TeleVision (HDTV) Interactive Digital Television

IDU Interface Data Unit idv Individuals domain IE Information Element IE Information Extraction ie Internet country code for Ireland IE Internet Explorer IE ISO country code for Ireland IE3 Internet Explorer Version 3.0 IE4 Internet Explorer Version 4.0 IEAE Input, Entity Already Exists IEAK Internet Explorer istration Kit IEC Integrated Echo Canceller IEC Interexchange Carrier IEC International Electrotechnical Commission IEC ISDN Echo Cancellation Circuit IECEE IEC system for conformity testing to standards for safety of Elect rical Equipment IECFB Internal/External Call Forwarding Busy IECFD Internal/External Call Forwarding Do Not Answer IECQ International Electrotechnical Commission for Quality IEC-Q Quad ISDN Echo Cancellation Circuit IED Interactive Electronic Display IEDB Integrated Engineering Database IEDM International Electron Devices Meeting IEE Institute of Electrical Engineers (UK) IEEE Institute of Electrical and Electronics Engineers (USA) IEEIE Institution of Electronics and Electrical Incorporated Engineers ( UK) IEI Information Element Identifier IEI Information Engineering Institute IEI Internal Event Information IEI Interrupt Enable In IEICE Institute of Electronics, Information, and Communications Engineer s IEM Information Exchange Management IEM Integrated Event Management IEM Integrated Event Manager IEM Interface Electronic Module IEM Interference Electron Microscope IEN Internet Engineering Note IEN Internet Experiment Notes IENE Input, Entity Not Exists IEO Interrupt Enable Out IEPG Internet Engineering and Planning Group IEPM Interface Engine Problem Manager IEPP Interface Engine Pre-Parser IERE Institute of Electronics and Radio Engineers IES Incoming Echo Suppressor IES Information Exchange Services department (ETSI) IES Information Exchange System IESG Internet Engineering Steering Group IETE Institution of Electronic and Telecommunication Engineers IETF Internet Engineering Task Force IETM Interactive Electronic Technical Manual I-ETS Interim European Telecommunications Standard (ETSI) IEU Instruction Execution Unit IEV International Electrotechnical Vocabulary IEW Intelligent Electronic Warfare IEX Information European Exchange If feeding current

IF IF IF IF IF IF IF IF/RF IFA IFA IFAC IFAM IFAM IFAM IFAN IFAST IFAX IFB IFC IFC IFD IFD IFEC i-FED IFEI IFF iff IFF IFFM IFFT IFG IFG IFH IFI IFid I-FIL IFIP IFIPS IFL IFL IFL IFM IFM IFMP IFN IFOV IFP IFP IFP IFPG IFPH IFPI IFRB IFS IFS IFS IFS IFS IFS IFS

Identification Failure Induction Free Information Flow Instruction Fetching Interface Intermediate Frequency Interrupt-Enable Flag Intermediate Frequency/Radio Frequency Interface Adaptor ISDN Facility Agent International Federation for Automatic Control Initial and Final Address Message Initial-Final Address Message ISDN Feature Availability Matrix International Federation for the Application of Norms International Forum on AMPS Standards Technology International Facsimile Service Invitation For Bid InterFace Clear (IEEE-488 Bus Signal) Internet Foundation Classes Image File Directory Incremental Fix Delivery IEEE Fall Electronics Conference Intelligent Field Emission Display International Fixed Equipment Identity Identification Friend/Foe (Military Avionics) If and Only If Interchange File Format Incoming First Failure to Match Inverse Fast Fourier Transform Inter-Fabric Group Interframe Gap Image File Header Invoke from Idle Interface Identification Interpolation FILter International Federation for Information Processing International Federation of Information Processing Societies Integrated Fuse Logic (Philips/Signetics Inc.) InterFacility Link International Frequency List Incoming Formatter Interface Machine Ipsilon Flow Management Protocol Indirect Function Table Instantaneous Field Of View Instruction Fetch Pipeline International Free Phone Interrupted Fluid Process International Frequency Planning Group Internetwork Freephone International Federation of the Phonographic Industry International Frequency Registration Board (ITU) Information File Separator Installable File System Interframe Space Interframe Spacing Internal File Service International Freephone Service Iterated Function System

IFSI IFSM IFT IFW IFW IFX IG IG IG IGA IGBT IGC IGD IGES IGES IGES IGFET IGFET IGMP IGN IGO IGO IGP IGRP IGS IGS IGS IGT IGT IGW IH IH IHB IHC I-HC IHD IHECD IHL IHO IHS IHUT IHV II IIA IIA IIASA IIB IIC IIC IIC IICE iid IID IIF IIH III IIL IILC IIM IIMC

International Fixed System Identity Information Systems Management Incoming File Transfer Information FrameWork Inverted Frame Word I/O and File Executive Initial Gap Inside BBG Interpolation Gain International General Aviation Insulated Gate Bipolar Transistor (Power Semiconductors) Incremental Garbage Collector Incremental GSF Delivery Initial Graphics Exchange Spec (NIST standard) Initial Graphics Exchange Specification Initial Graphics Exchange Standards Insulated Gate Field-Effect Transistor Insulated Gate Field-Effect Transistor Internet Group Management Potocol IBM Global Network IGES/PDES Organization Impulse Governed Oscillator Interior Gateway Protocol Interior Gateway Routing Protocol Information Group Separator Interactive Graphic System Internet Go Server Inspettorato Generale delle Telecomunicazioni (I) Insulated Gate Transistor International Gateway Intermediate Hub Interrupt Handler Inhibit Make Busy ISDN Hold Capability ISDN Hold Capability Integrated Help Desk Incoming Half Echo Control Device Internet Header Length Intersystem Handoff Information Handling Services Incremental High Usage Threshold Independent Hardware Vendor ANI information digits pair Information Industry Association (USA) Information Interchange Architecture International Institute for Applied Systems Analysis Internal Information Base IEEE Internet Computing Integrated Interface Circuit International Institute of Communications Internet Interactive Collaboration Environment Independently Identically Distributed Interface Identifier Interoperability Functionality IS-IS Hello Institute for Information Industry Integrated Injection Logic Information Industry Liaison Committee Information Interchange Model ISO Internet Management Coexistence

IIME IIMUL IIOP IIR IIREC IIRS IIS IIS IISP IISP IISP IISP IIT IITA IITA IITC IITF IITF IITP IIW IJAP IJG IJSAC IK IK IKBS IKE IKM IKMP IKP IKTS IKZ IKZ50 IL IL IL IL IL IL IL IL il8n ILA ILAC ILAN ILAS ILB ILBM ILC ILC ILCM ILD ILD ILD ILD ILD ILD ILDR ILDS ILE

Intranetwork SMDS Mapping Entity Integer Immediate Multiply (80x86 inst) Internet Inter-ORB Protocol Infinite Impulse Response (filter) Infinite Impulse Response Echo Canceller Institute for Industrial Research and Standards Indian Institute of Science Internet Information Server Information Infrastructure Standards (ANSI) Input, Invalid Syntax or Punctuation Interim Inter-Switch Protocol Interim Inter-Switch Signaling Protocol Incoming Intercept Trunk Information Infrastructure and Technology Act Input, Invalid TID Internetwork Interoperability Testing Council Information Infrastructure Task Force Information Infrastructure Task Force+B2843 (US) Internetwork-Interoperability Test Plan ISDN Implementors' Workshop International Japan Independent JPEG Group IEEE Journal on Selected Areas in Communications (periodical) Interchange Key Inverse Kinematics Intelligent Knowledge-Based System Intermediate System Key Exchange InterKanalModulation Internet Key Management Protocol Internet Keyed Payment Intergrated Key Telephone System Impulskennzeichen (Impulse Signalling System) Impulskennzeichen 50 (Impulse Signalling System No. 50) IdLe Information Letter Insert Line Insertion Loss International Line Interswitch Link ISO country code for State of Israel U.S. postal code for Illinois Internationalization Iterative Logic Array International Laboratory Accreditation Conference Industrial Local Area Network Intelligent Loop istration System Inhibit Line Busy IFF Interleaved Bitmap Inter-Layer Controller ISDN Link Controller International Line Concentrating Module Implementation Level Design Individual Line Downtime Injection Laser Diode Integrated Large Deviation Interface Level Design ISDN Line Drawer ISDN Line Drawer for Remotes Interactive Laser-Disk System In-Line Encryptor

ILE ILEC ILF ILGC ILGE ILK ILLC ILLP ILM ILM ILM ILMI ILMI ILMT ILP ILP ILP ILP ILPS ILPT7 ILR ILR ILR ILR ILR ILS ILS ILS ILS ILSP ILSP ILTC ILTMS ILU ILU IM IM IM IM IM IM IM IM IM IM IM IM IM IM IM IM IM IM IM IM&M IM&M IMA IMA IMA IMA

Integrated Language Environment Incumbent Local Exchange Carrier Infra Low Frequency International Line Group Controller International Line Group Equipment Incremental Link Status file Internal Logical Link Connection Inter Link to Link Protocol Incoming Label Map Industrial Light & Magic Integrated Link Maintenance Integrated Local Management Interface Interim Local Management Interface Insertion Loss Measurement Test Industrial Liaison Program Instruction-Level Parallelism Integer Linear Program IntraLATA Presubscription Information and Learning, Products and Services CCS7 Integrated Link Protocol Test Independant Local Radio International Line Restriction International Line Restrictions Internetworking Location Issues List Report Individual Line Service Input Limiting Scheme Instrument Landing System (Avionics) Inter-LAN Switching Integrated Listing Services Platform Interactive Listing Services Peripheral International Line Trunk Controller International Leased Telegraph Message Switching Inter-Language Unification Intermediate Line Unit Immediate Immediate (Dial) Implementation In call Modification (supplementary service) Increment Manager Information Model Initial MAC sublayer Initialization Mode (HDLC) Input Message Input Message Manual Input Method Installation Manual Integrated Maintenance Intensity Modulated Intensity Modulation Interface Module Intermodulation Inter-Telex SFU Messages Inverse Multiplexer Information Management and Movement Information Movement and Management Ineffective Machine Attempt Input Message Acknowledgement Integrity Management Agent Interactive Multimedia Association

IMA IMA IMA IMA IMAC I-MAC IMap IMAP IMAP IMAP4 IMAP4 IMAS IMASS IMASS IMB IMB IMB IMBE IMC IMC IMC IMC IMCC IMCI IMCR IMD imd IMD IMDB IMDC IM-DD IMDP IME IMEI IMEI IMET IMF IMFP IMFT IMG IMG IMH IMHO IMI IMI IMI IMIB IMIB IMIS IMIS IML IML IML IML IMM IMM IMM IMM IMM IMM

International MIDI Association Inverse Multiplexed ATM Inverse Multiplexing ATM Inverse Mux ATM Isochronous MAC Isochronous MAC Intelligent Mapping ing and Provisioning Internet Mail Access Protocol Internet Message Access Protocol Internet Mail Access Protocol, Version 4.0 Internet Message Access Protocol, Version 4 Internetwork Mass Calling Integrated Multiple Access Switched Services Intelligent Multiple Access Spectrum Sharing Incoming Message Buffer Inhibit Make Busy Input Message Buffer Improved Multiband Excitation Integrated Measurement Card Inter-Mate Communication Inter-Module Communication International Maintenance Center ISDN Management and Coordination Committee Increment Manager Command Interpreter Inter-MCU Connection Restored Information Model Details Intercepted Message Dispatcher InterModulation Distortion Integrated Manufacturing Data Base Intelligent Multiple-Disk Controller Intensity-Modulated Direct-Detection Intermodulation Distortion Products Interface Management Entity International Mobile Equipment Identity International Mobile station Equipment Identity (GSM) International Metering Integrated Modeling Framework Inverse Modified FM ISDN Multifunctional Terminal Image Inline Image (HTML tag) ISDN Method Handler In my humble opinion Integral Message Indicator Integrated Motions, Inc. International Memories Inc. Internet Management Information Base Internet MIB Integrated Management Information System Integrated Motorist Information System (DRIVE) Incoming Matching Loss Initial Microcode Load Inter Message Switch Link Intermediate Language IMMediately Incoming Mate Mismatch Information Movement and Management Input Method Manager International Maritime Mobile International Mobile Machines Corporation

IMMU IMN IMNS IMNSHO IMO IMO IMP IMP IMP IMP IMP IMPATT IMPDU IMPDU IM-PDU IMPL IMR IMR IMR IMR IMR IMRP IMRR IMS IMS IMS IMS IMS IMS IMS IMS IMS IMS IMS IMSI IMSI IMSI IMSI IMSL IMSP IMSR IMSRP IMT IMT IMT IMT IMT2000 IMT-2000 IMTC IMTC IMTI IMTS IMTS IMTSF IMTV IMTX IMU IMUG IMUI IMUL

Instruction Memory Management Unit Intelligent Management Network IBM Managed Network Services In my not so humble opinion In my opinion International Maritime Organization Implementation Inbound Modem Pooling Integrated Multiprotocol Processor Interface Message Processor (ARPANET) Internet Message Processor Impact Ionization Avalanche Transit Time Initial MAC PDU Initial Medium access control Protocol Data Unit Initial MAC Protocol Data Unit Internal Mobile Power Level Individual Message Interactive Multimedia Retrieval Interface Message Receiver Interrupt Mask Maximum Number of Invalid Messages Rejected Maximum Number of Invalid Messages Rejected for PRI Isolation-Mode Rejection Ratio If Modified Since Incoming Memory Slot Individual Message Service Information Management System Input/Output Message System Instructional Management System Integrated Management System Interactive Multimedia Services International Magnetospheric Study International Meta Systems Inter-Process Message Switch Inter MAN System Interface International Mobile Station Identity International Mobile Subscriber Identifier International Mobile Subscriber Identity Inter Message Switch Link Internet Message Protocol Improved Modular Square Root Intelligent Manufacturing Systems Research Program Installation and Maintenance Terminal Intermachine Trunk Inter-Machine Trunk International Mobile Telecommunications International Mobile Telecommunications 2000 International Mobile Telecommunications-2000 International Multimedia Teleconferencing Consortium International Multimedia Teleconferencing Council International Mobile Terminal Identity Improved Mobile Telephone Service Improved Mobile Telephone System Interstate Message Telecomunications Service Tariff Interactive Multimedia Television International Mobile Instruction Memory Unit International Motif s Group International Mobile Identity Signed Multiply (80x86 inst)

IMUN IMVOD IN in IN IN IN IN IN IN IN IN IN/1 IN1 IN2 INA INA INA INA INACT INAF INAP INAP INAP INAP INAP INAP InATMARP INB INBT INC INC INC INC INC INC INC INC INCC INCC INCdPA INCdPNo INCM INCONC INT INCZ Ind IND IND Ind IND IND INDB INDB INDBMS INDC INDI INDIV INDT INE

International Mobile Number Impulse Video On Demand IEEE Network (periodical) Inch(es) Input from Port (80x86 inst) Intelligent Network Intelligent Node International International Number Interrogating Node ISO country code for Republic of India U.S. postal code for Indiana Intelligent Network 1 Intelligent Network 1 Intelligent Network 2 Ineffective Network Attempt Information Networking Architecture Integrated Network Access Integrated Network Architecture Inactive Intelligent Network Access Function IN Application Part (of ITU-T Signalling System number 7) IN Application Protocol Intelligent Network Access Point Intelligent Network Access Protocol Intelligent Network Application Part Intelligent Network Application Protocol Inverse ATMARP Installation Busy ISDN National Billing Team Incoming INcoming Call Increment (80x86 inst) Incremental Backup Catalog File INCrementer Industry Numbering Committee International Carrier Internet Thruway Network Controller Information Character Collection International Network Controlling Center Intelligent Network CdPA Intelligent Network CdPNo Intelligent Network Conceptual Model INCONClusive Intercept INCrement ZAP field control bit Independent Index Indication Indication International Number Dialing Interrupt Disable Intelligent Network Data Base Intercept Database Intelligent Network Data Base Management System International No Double Connect Informations- und Dialogdienste (Information and Dialog Services) Individual Integrated Network Design Tools Intelligent Network Element

INET INF INF INF INF INFO INFO INFOL INFONET INFOTEX ING INH INHIP INI INI INIC INIC INIC INIRC INIS INIT INIT INIT INLP I-NLSP INM INM INM INMARSAT INMARSAT Inmarsat '96) INMC INMC INMD INMS INMS INMS INMSG INN INN INN INN INN INNO INOC inode INODE INOS InP INP INP INP INP INP INPA INPA InPh INPLANS INPW

Institutional Network Device Information file Information File Information Message Setup Information file Information Information message INFormation Oriented Language (Control Data Corporation) Information Network Information via Telex Integrated Ground Inhibit Inhibit In Progress Initialization File Initialized current Negative Impedance Converter ISDN Network Identification Code ISDN Network Identification Code International Non-Ionising Radiation Committee Integrated Networks' Integrated Services INitialisation Information Element Initialization Initialize Inactive Network Layer Protocol (early OSI-NL) Integrated Net Layer Security Protocol Integrated Network Management Integrated Network Monitoring Integrated Node Maintenance International Maritime Satellite Organization INternational MARitime SATellite organization International Mobile Satellite Organization (name change from May Integrated Network Management and Control International Network Management Center In-service Non-intrusive Measurement Device Integrated Network Management Services Integrated Network Management System Integrated NMS (ATT) Incoming Message Intelligent Network News (periodical) Interconnecting Network Node Intermediate Network Node Internal Network Number InterNetNews Intelligent Network Network Operator Internet Network Operations Center Index Node Integrated Node Interactive Network Optimization System (ATT) Indium Phosphide Initial Period Input Integrated Node Processor Internodal Processor Intranode Policing Inside the Base NPA Interchangeable Numbering Plan Area Indium Phosphide Integrated Network Planning System Illinois Number Portability Workshop

INQ INQ INR INRI INRIA INRIA Control INRI-B INRI-F INRQ INS INS INS INS INS INS INS INSB INSD INSEM INSEP INSI INSIS INSO INSP INSPECT INSPECTBL INSS INSS IN-SSM INSTAC InSv INSW INT INT INT INT INT INT int INT INT TR INTA INTAGG INTAP INTC INTC INTC INTCM INTCM INTCMPM INTCMPM INTE INTELSAT INTERL INTERNIC InterNIC InterOCT INTFCT INTICOM

INQuiry Inventory Notification and Query Information Request Message Inter-Network Rate Indicator Institut National De Recherche En Informatique Et En Automatique The French National Institute for Research in Computer Science and Inter-Network Rate Indicator, Backward Inter-Network Rate Indicator, Forward Internal Request Information Network System Input String from Port (80x86 inst) Insert Inspect Integrated Network System Intelligent Network Server Intelligent Network Services Input String from Port Bytes (80x86 inst) Input String from Port Doublewords (80x86 inst) INterinstitutional Service for Electronic Mail Incoming Separations Class Inter-Network Service Identification INterinstitutional integrated Services Information System Intelligent Network Service Operator Intelligent Network Service Provider Inspect Inspect Billing Records Integrated Network System Intelligent Network Service Subscriber IN-Switching State Model Information Technology Research and Standardization Center In Service Input String from Port Words (80x86 inst) call INTrusion (supplementary service) Integer Integration Intercept Intercom Internal International organizations domain Interrupt INTernational TRansit exchange Interrupt Acknowledge Internal Aggregate Calls Interoperability Technology Association for Information Processing Intercept Intercom Calls INTerrupt Confirmation Intercom Dialing Intercom Dialing Plan Intercom Dialing for Packet Mode Data Intercom Dialing Plan for Packet-Mode Data INTerrupt Enable(d) International Telecommunications Satellite Consortium InterLATA Dialing Sequences Internet Network Information Center Internet Network Information Center Interactive OCTAVE Interface Type Internal Intercom Calls

INTIS INTL INTLOCK INTMI INTO INTP INTPFAC INTR INTRAL INTRALC INTRAL INTUG INTUG INTUG INU INV INV INV INV InvARP INVC INW INW INWATS INWATS INWATSDNSFG INWG INWG INWG IO IO IO IO IO I-O IOAU IOBB IOC IOC IOC IOC IOC IOC IOC IOC IOC IOCS IOCTL IOD IOD IOE IOE IOF IOGA IOL IOL IOM IOM IOM IOM2

International Transport Information System International Interlock Internal Miscellaneous Connections Interrupt on Overflow (80x86 inst) Interrupt Internal Private Facilities Interrupt Request IntraLATA Dialing Sequences IntraLATA Competition IntraLATA Competition for PRI INternational Telecommunications Group International Telecommunications s Group International Trade and Groups Internetworking Unit INValid indication Inventory Inverter Invoke Inverse ARP Internetwork Virtual Circuits Billing Records Inwards INWATS Inward Wide Area Telecommunications Service Inward Wide Area Telephone Service INWATS Directory Number/SFG Association Intelligent Networks WG (IFIP) International Networks WG InterNetwork Working Group Image Orthicon Ineffective Other Input/Output International Organization ISO country code for British Indian Ocean Territory Interoffice Input/Output Audit Input/Output Broadband Independent Operating Company Information Operations Center Input/Output Channel Input/Output Controller Integrated Optical Circuit International Olympic Committee International Operating Center Inter-Office Communication ISDN Ordering Code Input/Output Control System I/O Control Identified Outward Dialing Input/Output Device Illegal Operation Error Input/Output Equipment Interoffice Facility I/O Gate Inter Orbit Link (Satellite Telecom.) Inventory On Loan Input/Output Multiplexer ISDN-Oriented Modular ISDN-Oriented Modular-interface ISDN-Oriented Modular Rev 2.2

IOMC IOMM ION ION IONL IOP IOP IOP IOP IOPAC IOPC IOPL IOPM IOPS IOPT IOR IOR IOR IOS IOS IOS IOT IOT IOT IOT IOTC IOUI IOW IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP&SP IP6 IPA IPA IPA IPA IPA IPAD IPAE IPAP IPARS

Interface OMC-NMC or OMC-OMC Input/Output Message Manual Integrated On-Demand Network Internetworking Over NBMA Internal Organization of Network Layer (OSI-NL) I/O Processing Element Input/Output Processor International Operator Position Interoperability International Outside Plant Cabinet Input/Output Processor Controller I/O Privilege Level International Outside Plant Module Internet Operators InterOPerability Testing Indian Ocean Region (INTELSAT) Input Output Interoperable Object Reference Input/Output Supervisor Integrated Office Systems Internetwork Operating System In Orbit Test Input/Output Trap Interend Office Trunk Inter-Office Trunk International Originating Toll Center Input/Output Utility Interface In other words Implementation Profile Information Processing Information Provision Information Publication Initial Permutation In-Progress Instruction Pointer Instruction Prefetching Intellectual Property Intellectual Property Policy and Procedures Intelligent Peripheral Interexchange Plant Interface Point Interface Processor Interface Profile Intermodulation Product Internet Protocol Internetwork Protocol Interpersonal Interrupt Process ISDN Port Information Processing and Storage Platform Internet Protocol Version 6 Image Power Amplifier Information Processing Architecture Interface and Protocol Adaptor Intermediate Power Amplifier ISDN Performance Analyser Integrated PAD (OSI-SNA) Internet Protocol Address Encapsulation Intelligent Public Access Platform International enger Airline Reservation System

IPATM IPAV IPC IPC IPC IPC IPC IPC IPC IPC IPC IPC IPC IPC IPCDN IP IP IPCU IPD IPD IPD IPD IPDN IPDS IPDS IPDU IPE IPE IPE IPEC IPEC IPEI IPES IPEX IPF IPG IPG IPH IPI IPI IPI IPI IPI IPI IPIFR IPIP IPIVC IPJ IPL IPL IPl IPL IPL IPL ipl IPLC IPLL IPLS IPM IPM

Internet Protocol Over Asynchronous Transfer Mode Interface Programmable pour Application Vocale IEEE Personal Communications (periodical) Incoming Peg Count Industrial Process Control Input Port Controller Intelligent Peripheral Controller Interactive Personal Computer Interperipheral Connection Inter-Personal Computer Interprocess Communication Interprocess Communications Inter-Process Control Interprocessor Communications IP over Cable Data Networks Internet Protocol Control Protocol IP Control Protocol Internet Packet Core Utility Incident Power Density Inductive Potential Divider Installed Product Database ISDN Parameter Group International Public Data Network IBM Personal Dictation System Intelligent Printer Data Stream Internetwork Protocol Data Unit Image Pac Extension In-Band Parameter Exchange Intelligent Peripheral Equipment Intelligent Peripheral Equipment Cabinet Intelligent Peripheral Equipment Column International Portable Equipment Identity Improved Proposed Encryption Standard Input, Parameter, Extra Integrated Processor and F-Bus Interface Inter-Packet Gap ISDN Parameter Group Integrated Packet Handler Initial Protocol Identifier Integrated Product Introduction Intelligent Peripheral Interface Interprocessor Interrupt ISDN Preference Indicator ISDN Part Preference Indicator IP Interface over Frame Relay IP within IP IP Interface over VC Incoming Parallel Junctor Initial Program Load Initial Program Loader Instandhaltungsplatz (Maintenance Station) Interface Processing Level Intermediate Printer Language Interrupt Priority Level Interrupt Priority Level International Private Leased Circuit Internet Protocol Local Loop IntraLATA Private Line Service Impulses Per Minute Inches Per Minute

IPM IPM IPM IPM IPM IPM IPMI IPML IPMS IPMS IPNC IPN IPNG IPng IPNNI I-PNNI IPNS IPNS IPNS IPNV IPOA IPOP IPOT IPP IPP IPP IPPC IPP IPPV IPQ IPQM IPR IPR IPR IPRA IPRC IPRM IPS IPS IPS IPS IPS IPS IPS IPS IPS IPS IPSB IPSC IPSEC IPSI IPSO IPSO IPSP IPSS IPST IPT IPT IPT IPT

Intelligent Power Management Interpersonal Message Interpersonal Messaging Interruptions Per Minute Management of Information Provision UA Interpersonal Messaging Agent (MHS) IP Multicast Initiative Interperipheral Message Link Input, Parameter, Missing Interpersonal Messaging Service (MHS) Input, Parameter, Not Consistent Internet Protocol Network Control Protocol Internet Protocol Next Generation Internet Protocol Next Generation Integrated Private Network-to-Network Interface Integrated PNNI ISDN PABX Networking Specifications ISDN PBX Networking Specification(s) ISDN Private Network Specification Forum Input, Parameter, Not Valid IP over ATM Internet Point of Presence Inductive POTentiometer Independent Payphone Provider Internet Presence Provider Interrupted Poisson Process Internet Pluribus Packet Core IP Payload Compression Protocol Impulse Pay Per View Instituto Portugues da Qualidade (P) In-Process Quality Metrics Initial Period Rate Intellectual Property Rights Interrupt Pending Internet Policy Registration Authority Intellectual Property Rights Committee (ETSI) Internetwork Rate Inch Per Second Incoming Packet Size Inferences Per Second Information Processing System Initial Position Seizure Instructions Per Second Integrated Pricing System Interactive Prompting System Interperipheral Communication ISDN Professional Services Interface Parallel System Bus (Multibus 2) Integrated Protection Switching Controller IP Security Protocols International Portable Subscriber Identity Information Society Project Office IP Security Option IP Security Protocol International PSS Interdepartmental Project Scope Team Interactive Protocol Tester Interpulse Time Interrupt Pointer Table ISDN Protocol Testhead

IPTC IPTO IPTS IPU IPUI IPv4 IPv6 IPX IPX IPX IPX IPX IPX IPX/SPX IPX IPXWAN IQ IQ IQ IQ I-Q IQC IQD IQM IQR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IRA IRAC IRAC IRAM IRAPI IRAS IRB IRB IRC IRC IRC IRC IRC IRC IRCS IRD IRD IRD

International Press Telecommunications Council Information Processing Techniques Office Improved Public Telephone Service Integer Processor Unit International Portable Identity Internet Protocol Version 4 Internet Protocol Version 6 Integrated Packet Exchange Internet Packet Exchange Internet Protocol Exchange Internetwork Packet Exchange Internetwork Protocol Exchange Interwork Packet Exchange (Novell) Interwork Packet Exchange/Sequenced Packet Exchange (Novell) Internetwork Packet Exchange Control Protocol Internet Packet Exchange for Wide-Area Networks In-Phase and Quadrature Intelligence Quotient Inverse Quantizer ISO country code for Republic of Iraq In-Phase-and-Quadrature Incoming Quality Control Interquartile Difference Intelligent Query Manager Inter Quartile Range (25...75% Range of Histogram) Index Information Rate Information Request Information Retrieval Infrared Inquiry Response Instruction Insulation Resistance (Resistance to DC Leakage Current) Integration Robust Interbay Interface Repository Intermediate Reach Internet Registry Internet Router Interoffice Receiver Interrupt Request ISO country code for Islamic Republic of Iran International Reference Alphabet Interagency Radio Advisory Committee Interdepartment Radio Advisory Committee Intelligent RAM Intuity Response Application Programming Interface InfraRed Astronomical Satellite Instruction Reorder Buffer Instrumentation Request Broker Idle Receiver Control Information Resource Center Interference Rejection Combining Intermediate Routing Center International Record Carrier Internet Relay Chat Inter-Repeater Cable Segment Information Resource Dictionary Integrated Receiver/Descrambler Integrated Receiver-Decoder

IRD IRD IRDA IrDA IRDO IRDP IRDS IRE IRE IRED IRED IRF IRF IRG IRG IRG IRI IRI IRIG IRIP IRIS IRL IRL IRL IrLAP IRLCM IRLED IrLMP IRM IRM IRM IRN IRN I-RNAM IROH IROHAM IRP IRP IRP IRP IRPA IRQ IRQ IRR IRR IRR IRR IRR IRS IRS IRS IRS IRS IRS IRS IRS IRSF IRSG IRSP IRT

Interference Reduction Device Interrogation and Response Device Infrared Data Association Infrared Data Association International Research & Development Operations ICMP Router Discovery Protocol Information Resource(s) Dictionary System Information Resource Engineering Institute of Radio Engineers Infrared InfraRed Emitting Diode Information Request Failure Interrogation Recurrence Frequency Implicit ReGeneration Internet Resource Guide Inter-Record Gap Incoming Route Information Information Request Indicator Inter Range Instrumentation Group Intended Recipient Identity Presentation Interactive Recorded Information Service In Real Life Information Retrieval Language Inter Repeater Link Infrared Link-Access Protocol International Remote Line Concentrating Module Infrared Light Emitting Diode Infrared Link Management Protocol Information Request Message Insert/Replace Mode Interrupt Mask Immediate Ring Notification Information Resource Network ISDN Redirecting Name Delivery Inhibit Receiver Off Hook Inhibit Receiver Off Hook for Analog Member of EKTS I/O Request Packet Interface for Remote Platforms Internal Reference Point International Routing Plan International Radiation Protection Association Information Request Interrupt Request Immediate Reroute Information Request Response Inhibit Ring Reminder Intelligent ReRouting Internet Routing Registries Identification Response message Information Record Separator Information Retrieval System Initial Receive Sequence Number Interface Requirements Specification Intermediate Reference System Internal Revenue Service ITS Radio System Interface Resource Finder Internet Research Steering Group Interface Root Service Proxy Increment Registration Table

IRT IRT IRTF IRTOS IrTP IRTP IRU IRUR IRV IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS STBY IS1 IS2 IS3 IS4 ISA ISA ISA ISA ISA ISA ISA ISA ISA ISA ISAKMP ISAM ISAP ISAPI ISAR ISAS ISB ISB ISB ISB ISBD ISBN ISBN ISB-RC ISB-SC ISC ISC ISC ISC

Institut für Rundfunktechnik GmbH Interrupted Ring Tone Internet Research Task Force I2O Real-Time OS Infrared Transport Protocol Internet Reliable Transport Protocol Indefeasible Right of Use Reset of UPT Registration for Incoming Calls International Reference Version Immediate Start In Service Information Separator Information System(s) Initialisation Sequence Integrated Services Interface Specification Interference Subtraction Interim Specification Interim Standard Intermediate System International Standard International System (metric) Interstate Intraconnect Schematic ISDN State ISO country code for Republic of Iceland In-Service Standby Information Separator 1 Information Separator 2 Information Separator 3 Information Separator 4 Industry Standard Architecture (IBM) Information Systems Architecture In-Session Activation Instruction Set Architecture Integrated Services Access Integrated Services Architecture Intelligent Services Architecture Interactive Services Association International Service Analysis International Smalltalk Association Internet Security Association and Key Management Protocol Indexed Sequential Access Method Instruction Supervisor Area Pointer Internet Server Application Programming Interface Instruction System Address ISDN Smart Attendant Service Independent Sideband Individual Station Billing Information Service Brokerage Intelligent Signalling Bus International Standard Bibliographic Description International Satellite Business Network International Standard Book Number Independent SideBand Reduced Carrier Independent SideBand Suppressed Carrier Information Systems Council Installation Service Center Instruction Set Computer Intercompany Services Coordination

ISC ISC ISC ISC I-SCA ISCC I-SCF ISCII IS IS IS I-SCR ISD ISD ISD ISD ISD ISD ISDB ISDD ISDD I-SDH ISDLC ISDN ISDN/AP ISDNAP ISDNBGM ISDNCS ISDNFR ISDNI ISDNII ISDNOE ISDNP ISDNUP ISDN-UP ISDO ISDS ISDT ISDX ISDX ISE ISE ISF ISFET ISG ISG ISG ISG ISG ISG ISH ISH ISI ISI ISI ISI ISI ISI ISI ISI

Intermediate System Confirm International Service Carrier International Services Center International Switching Center ISDN Selective Call Acceptance International Service Coordination Center ISDN Selective Call Forwarding International Standard Code for Information Interchange Integrated Service Control Point Integrated Signaling and Control Part ISDN Signaling Control Part ISDN Selective Call Rejection Incoming Service Desk Incremental Service Delivery Independent Segment Decoding Information System Development Instructional Systems Design International Subscriber Dialing Integrated Services Digital Broadcasting Incoming Start Delay to Dial Incoming Start-to-Dial Delay Initial Synchronous Digital Hierarchy Integrated Services Digital Line Card Integrated Services Digital Network ISDN Application Protocol ISDN Application Protocol ISDN BBG Member ISDN Customer Solutions Integrated Services Digital Network Family of Requirements ISDN Class I Equipment ISDN Class II Equipment ISDN Office Equipment Integrated Services Digital Network Profile ISDN Part ISDN Part In-Sequence Delivery Option Integrated Switched Data Service Integrated Services Digital Terminal Integrated Services Digital Exchange Integrated Services Digital eXchange Intelligent Services Environment Interactive Software Engineering International Subscriber Feature Ion-Sensitive Field Effect Transistor Information Systems Gateway Information Systems Group ISDN Service Group ISDN Signaling Group Isolated System Ground Isolated System Grounding Information Super Highway Intermediate System Hello Industry Interface Information Sciences Institute Institute of Scientific Information Instruction Storage Interrupt Integrated Systems Inc. Intelligent Services Interface Intersymbol Interference InterSystem Interface

ISIA ISIP ISIS ISIS IS-IS IS-IS ISL ISL ISL ISL ISL ISLC ISLC I-SLE ISLETXT ISLM ISLS ISLU ISLUA ISM ISM ISM ISM ISM ISM ISM ISM ISM ISM ISM ISM ISDN ISMA ISMC ISMC ISME ISMF ISMS ISMX ISMX ISN ISN ISN ISN ISN ISN ISNAP ISNI ISNI ISNMS IS-NNI ISO ISO ISO ISOC ISO-CMOS ISoD ISODE ISOG I-SOM ISONET

Isolation Shunt Interface Adapter International Student Intern Program Integrated Standardisation Information System Intermediate System to Intermediate System Intermediate System to Intermediate System Intermediate System to Intermediate System Protocol Initial System Loader Integrated Services Link Internal Surge Limiter Internetworking Switch Link InterSatellite Link Information Systems Learning Center ISDN Line Card ISDN Screening List Editing ISDN Screen List Editing Text Integrated Services Line Module Interrogation-path SideLobe Suppression Integrated Services Line Unit International SL-1/Meridian 1 s Association Industrial, Scientific and Medical (equipment) Information Service Management In-Service Measurement Integrated Service Module Integrated Services Model Integrated Synchronous Multiplexer Intelligent Synchronous Multiplexer Internet Service Manager Invocation State Machine ISDN Stanadards Management ISDN State Machine ISDN Standards Management Special Committee Inhibit Sense Multiple Access International Switch Maintenance Center International Switching Maintenance Center Integrated Services Module Enhanced frame Internet-Standard Management Framework Integrated Service Management System Integral Subrate Multiplexer Integrated Subrate Multiplexer Information Storage Node Information system Network (ATT) Initial Sequence Number Integrated Services Node Intelligent Services Network Intelligent Services Node Intelligent Services Network Application Processor Intermediate Signaling Network Identification Intermediate Signaling Network Identifier Intelligent Switched Network Management System Inter System Network Node Interface In Search Of Infrared Space Observatory International Organization for Standardization The Internet Society Isolated Fully Recessed Complementary Metal Oxide Semiconductor Interactive Service on Demand ISO Development Environment INTELSAT Signatories and Operators Group Intermediate Code-System Object Module ISO information NETwork

ISOO ISOTAS

Increment Specific Override Object International Symposium on Object Technologies for Advanced Softwa

re ISP ISP ISP ISP ISP ISP ISP ISP ISP ISP ISP ISP ISP ISP ISP ISP ISP ISP ISP ISP ISP ISPABX ISPBF ISPBX iSPC ISPC ISPCS ISPF ISPI ISPI ISPICS ISPICS ISPM ISPN ISPS ISP-SP ISPT ISPT ISQL ISR ISR ISR ISR ISR ISR ISR ISR ISR ISR ISRB ISS ISS ISS ISS ISS ISS ISS

Independent Software Vendors Information Service Provision Information Services Provider In-Store Processor Instruction-Set Processor In-System Programming Integrated Services Platform Integrated System Peripheral Intelligent Services Peripheral Interface Service Profile Intermediate Services Part International Signaling Point International Standard Profile(s) International Standardized Profile International Standards Profile (ETSI) Internet Service Provider Interrupt Stack Pointer Intra-Subnetwork Protocol ISDN Service Provisioning ISDN Signaling Preprocessor ISDN Signaling Processor Integrated Services Private Automatic Branch Exchange Internet Service Provider Business Forum Integrated Services Private Branch Exchange International Signalling Point Code International Sound Programme Centre Integrated System for Public Communication Services Interactive System Productivity Facility Intelligent model for System Provisioning Information Internetwork Service Profile Interrogation ISP Implementation Conformance Statement ISP Profile ICS Internetwork Service Profile Modification Integrated Services Packet Network International Service Position System International Standards Organization- Still Picture Instituto Superiore delle Poste e delle Telecomunicaziones Internetwork Service Profile Transfer Interactive Structured Query Language Independent Software Release Information Storage and Retrieval Initial Submission Rate Integrated Switch Router INTELSAT System Record Inter System Roaming Intermediate Session Routing Interrupt In-Service Interrupt Service Routine Inter-System Routing (NetMaster-Systems Center) Intelligent Source Routing Bridge Initial Send Sequence Number Integrated Switching System International Small Switch International Switching Symposium Internet Security Systems Inter-Satellite Service Ionica Switch Site

ISSB ISSB ISSC ISSCC ISSI ISSI ISSI ISSLL ISSLS ISSN ISSN ISSS ISSU IST IST ISTB ISTb ISTC ISTC ISTN ISTO ISTP ISU ISU ISU ISU ISU ISU ISUP

Independent Single SideBand Intel (Inc.) Serial System Bus (Multibus 2) Information Systems Solutions Corporation International Solid-State Circuits Conference Individual Short Subscriber Identity (TETRA) Inter Switching System Interface Inter-Switching System Interface Integrated Services over Specific Link Layers International Symposium on Subscriber Loops and Services Integrated Special Services Network International Standard Serial Number (Publications) Interactive Subscriber Service Subsystem Integrated Services Switching Unit Integrated Services Terminal (Voice, Data, Text, Fax, etc) Integrated Switching and Transmission In-Service Trouble In-Service Trouble International Satellite Transmission Center International Switching and Testing Center Integrated Switching and Transmission Network Information Systems Technology Office Integrated Signal Transfer Point Incremental Software Update Independent Signal Unit Initial Signal Unit Integrated Services Unit (ISDN) Iridium Subscriber Unit ISDN Service Unit Integrated Services Part (of ITU-T Signalling System number 7

ISUP ISV ISV ISVM ISW ISW ISW IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT&T IT/PTA IT/PTA ITA ITA

ISDN Part Independent Software Vendor International Standard Profile(s) Interswitch Voice Messaging Interswitch Trunk Inverted Synchronization Word Ionica Switch Inactivity Test Incoming Translation Information Technology Information Theory Information Type Insert Tape Integration Test Integration Tested Integration Testing Integration Testing Completed Intelligent Terminal Interexchange Trunk Internet Thruway InterTandem Intertandem Trunk Intertoll Intertoll Trunk ISO country code for Italian Republic (Italy) Information Technology and Telecommunications Integration Testing Completed/Product Test Acceptance Integrity Testing/Product Test Assessment Independant Television Authority Independent Television Authority

)

ITA ITA ITA ITA ITA1 ITA2 ITA3 ITA4 ITAA ITAC ITAC ITACA ITAD ITAEG ITAEGC ITAEGC ITAEGM tion ITAEGM ITAEGS ITAEGS ITAEGT ITAEGT ITAEGV ITAP ITAR ITATS ITB ITB ITC ITC ITC ITC ITC ITC ITC ITC ITC ITC ITC ITC ITC ITC ITC ITC ITC ITCA ITCC ITCCC IT I-T ITCS ITCT ITDC ITDM ITDN ITE ITE ITE ITE

Ineffective Traffic Attempt Integrated Trunk Access Interim Type Approval International Telegraph Alphabet International Telegraph Alphabet No. 1 International Telegraph Alphabet No. 2 International Telegraph Alphabet No. 3 International Telegraph Alphabet No. 4 Information Technology of America International Telecommunications Advisory Committee International Test Access Controller IBCN Testing Architecture for Conformance Assessment Integrated Telephone Answering Device IT Advisory Expert Group Information Technology Ad-hoc Expert Group on Certification IT Advisory Expert Group on Certification Information Technology Ad-hoc Expert Group on Manufacturing Automa IT Advisory Experts Group on Advanced Manufacturing Technologies Information Technology Ad-hoc Expert Group on Standards IT Advisory Expert Group on Standardization IT Advisory Experts Group for Private Telecommunications Networks IT Advisory Experts Group for private Telecommunications networks Information Technology ad hoc Experts Group on Security ISDN Test Access Path International Trafficking in Arms Regulation International TATS Incoming Trunk Busy Intermediate Text Block-check, IEEE Transactions on Communications (periodical) Inbound Toll Call Incoming Throughput Class Incoming Trunk Characteristics Incoming Trunk Circuit Independent Telephone Company Information Technology Center Information Transfer Capability Input Capture/Input Transition Counter Intermediate Toll Center International Telecommunications Center International Teletraffic Conference International Television Center International Trade Commission International Typeface Corporation Internet Telephony Consortium Interoperability Test Center (private) International Teleconferencing Association International Telecommunication Charge Card IT Coordination Committee for Certification (CEN) International Thomson Computer Press Indirect Transmission Control Protocol ISDN Terminal Contention Service IEEE Transactions on Communication Technology (periodical) Information Technology Development Corporation Intelligent Time-Division Multiplexer Integrated Telephone and Data Network Information Technology Equipment Internal Terminal Emulator International Telephone Exchange International Transmission Exchanges

ITESF ITF ITF ITF ITFS ITG ITG ITHI ITI ITI ITI ITI ITI ITI ITIMS ITLB ITM ITM ITM ITM ITM ITM ITM ITM ITM8 ITMC ITMC ITMS ITN ITN ITN ITO ITOC ITOC ITOP ITOPS ITOT ITP ITP ITP ITP ITP ITPA ITPC ITQS ITR ITR ITR ITR ITRC ITRLD ITRON ITRSG ITS ITS ITS ITS ITS ITS ITS

Internet Traffic Engineering Solutions Forum Information Transport Function Interactive Test Facility InTerFace Instructional Television- Fixed Service Independent Testing Group Interactive Test Generator Interactive Terminal Host Interface Idle Trunk Indicator Industrial Technology Initiative Industrial Technology Institute Information Technology Industry Council Interactive Terminal Interface Intermittent Trouble Indication In-service Transmission Impairment Measuring System (Telecom) Instruction Translation Lookaside Buffer Increment Test Manager Inspection du Travail et des Mines (LUX) Integrated Test Master Integrated Transport Management Intelligent Test Bus Master Intelligent Test Master Interactive Test Monitor ISDN Test Module International Trunk Module, 8-Wire International Test and Maintenance Center International Transmission Maintenance Center Internet Thruway Management System Independent Telecommunications Network Integrated Test Network Internetwork International Trunk Override Image Table of Contents Independent Telephone Operating Company International Traffic Operator Position International Traffic Operator Position System ISO Transport Service On Top of T Integrated Test Platform Integrated Test Position Integration Test Plan InterLATA Toll Presubscription International Thomson Publishing Independent Telephone Pioneers Association International Television Program Center Information Telecommunication Quality System (ETSI) Information Transfer Rate Instrumentation Tape Recorder Integrated Telephone Recorder INTELSAT Test Record Information Technology Requirements Council Increase Power Threshold Industrial TRON Information Technology Resources Group Information and Transaction Server Information and Transaction Services Informationstekniska Standardiseringen Insertion Test Signals (Video VITS) Institute for Telecommunication Sciences Integrated Test System Integrated Testing System

ITS ITS ITS ITS ITS ITS ITS ITS ITS ITS ITS ITSC ITSC ITSC ITSCJ ITSE ITSEC ITSFSD ITSI ITSO ITSP ITSP ITSSP ITSTC ITSTC ITSU ITT ITU ITU-D ITUG ITU-R ITUSA ITUSA ITU-T zation Sector ITU-TSS ITV ITV ITV ITV ITV I-TV ITVT ITW IU IU IU IUAP IUAP IUC IUC IUF IUG IUS IUT IV IV IV IV IV&V

Integrated Timing Supply Integrated Tool Set (SPAG etc.) Integrated Transmission and Switching Intelligent Transport Systems Intelligent Transportation System Interface, Terminal, and Session International Telecom Symposium Internet Telephony Server (Lucent Technologies) Internet Telephony Services Invitation To Send Ionica Transceiver System International Telephone Services Center International Transmission Switching Centre Interregional Telecommunications Standards Conference Information Technology Standards Commission of Japan Incoming Trunk Service Evaluation Information Technology Security Evaluation Criteria Internet Telephony Services Feature Specification Document Individual TETRA Subscriber Identity International Technical Organization (IBM) Intermediate Translation Signalling Point Internet Telephony Service Provider Internet Telephony Server for Service Providers Information Technology Steering Committee Information Technology STeering Committee Information Technology Standards Unit International Telephone and Telegraph Company International Telecommunication Union International Telecommunication Union- Development Sector International Tandem s Group International Telecommunication Union- Radiocommunication Scector Information Technology s Association Information Technology s' Standards Association International Telecommunication Union- Telecommunication Standardi International Telecommunication Union Technical Standards Sector Incremental Threshold Value Independent Television Industrial Television Instructional Television Interactive Television Interactive Television IEEE Transactions on Vehicular Technology (periodical) Internet Thruway Integer Unit Interface Unit Interunit Instruction Area pointer Internet Provider International Unicode Conference Inter-Unit Communication ISDN Forum Implementation Guide Information Unit Separator Implementation Under Test Initial Vector Initialization Variable Initialization Vector Interactive Video Independent Verification and Validation

IVA Interactive Voice Application IVAN International Value-Added Network IVAP ISDN syntax-based VAP IVC Intelligent Visual Computing IVD Audio Visual Interleaved IVD Integrated Voice and Data IVD Interactive Video Disk IVDLAN Integrated Voice Data LAN (IEEE 802.9) IVDM Integrated Voice/Data Module IVDS Interactive Video and Data Service IVDT Integrated Voice and Data Terminal IVDT Integrated Voice-Data Terminal IVEC Interarea Vector Coordinates IVES Information Vending Encryption System IVHS Intelligent Vehicle Highway System IVI Indeo Video Interactive IVIA International Videotex Industry Association IVLA Four Letter Acronym IVMO Initial Value Managed Object IVMS Integrated Voice Message System IVN Interactive Video Network IVO Internal Verification Office IVOD Interactive Video on Demand IVOT Internetwork Televoting IVP Integrated Voice Protocol IVPN International Virtual Private Network IVR Interactive Voice Response IVS Integrated Voice Service IVS Interactive Video Server IVS Interactive Video Services IVS Interactive Voice Subsystem IVS Interactive Voice System IVSN Interactive Video Services Network IVT Interrupt Vector Table IVT ISDN syntax-based VT IVTC IEEE Vehicular Technology Conference IW Index Word IW Information Warehouse IW Initialisation Word loaded into pseudo-random sequence generators for descrambling IW Insertion Word IW Inside Wire IW Interworking IWA International Webcasting Association IWAC ISDN Wide Area Centrex IWCA Inside Wiring Cable IWCE International Wireless Communications Expo IWCS Integrated Wideband Communications System IWE Interworking Equipment IWF Interworking Function IWM Integrated Woz Machine IWMSC Interworking MSC IWMSC InterWorking MSC IW-MSP Interworking MSP IWP Interim Working Party IWP InterNotes Web Publisher IWPN Interworking with Private Networks IWS Incoming Window Size IWS Intelligent Workstation IWS Intelligent Workstation System

IWS IWSS IWT IWU IWWS IXC IXI IXIT IXT

Interworking Signaling Intelligent Workstation System INWATS (800 Service) Interworking Unit Integrated Wireless/Wireline Services Interexchange Carrier International X.25 Infrastructure/Interconnect (X.25) Implementation Extra Information for Testing Interaction Crosstalk

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t Meeting (ETSI) Joule JTM Service Japanese 2 Mbps Voice t Aviation Authorities (an associated body of European Civial Aviation Conference- ECAC) Java Command Language t Application Design t Architectural Design t Architecture Design Java Application Development Environment Journal of the Audio Engineering Society Japan Advanced Institute of Science and Technology JYACC Application Manager t Army-Navy t Army-Navy-Air Force Publications Japanese Network Operators Group Just Another Perl Hacker Java Archive t Aviation Requirements Java Applet Rating Service Java Source Code Java Compiler Just Ask Why Junction Box JavaBeans Component Library JavaBean Editor t Bi-level Image expert Group t Bilevel Image Group Java-Based Pipeline Configurator Jack Connection t Committee Journalling Controller Java Cryptography Extension t Coordination Group (CEN/CENELEC/ETSI) Job Control Language Japanese Cordless Telephone Journal Control Table Junctor t Detection Julian Day t Design Acceptance Strategy Java Debugger Java Database Connection Java Database Connectivity

JDC JDK JDK JDN JDT JDT JECF JEDEC JEEC JEF JEIA JEIDA JEM JEPI JES JESSI JET JET JF JF JFC JFDB JFET JFIF JFMG JFRF JFS JFS JFS JFT JFY JGF JI JIA JIDM JIF JIP JIS JISC JISC JIT JITEC JIWP JLCC JLS JM JMAPI JMDR JMF JMG JMP JMPS JMX JND JNDI JNET JNI JNRC JNT JO

Japanese Digital Cellular Java Developer's Kit Java Development Kit Julian Day Number t Design Team t Development Team Java Electronic Commerce Framework t Electronic Devices Engineering Council t ETSI-ECMA Committee Japanese Processing Extended Feature Japanese Electronics Industry Association Japan Electronic Industry Development Association t Experts Meeting t Electronic Payment Initiative Job Entry Subsystem t European Submicron Silicon Initiative (Eureka) Jack Ended Trunk t venture Evaluation Tool Journal File Junctor Frame Java Foundation Classes Job Feature Database Junction Field-Effect Transistor JPEG File Interchange Format t Frequency Management Group Japan Frame Relay Forum Journal File System Journaling File System Jumbo Group Frequency Supply Job File Table Justify Junctor Grouping Frame Junction Isolation t Implementation Agreement t X/Open NMF on Inter-Domain Management Java Intranet Framework Jurisdiction Information Parameter Japan Industrial Standard (JAP) Japan Industrial Standards Committee (JAP) Japanese Industrial Standards Committee Just In Time t Information Technology Experts Committee t Interim Working Party (ITU-R) J-Lead Chip Carrier Java Language Specification ISO country code for Jamaica Java Management API Japan Message Detail Recording Java Media Framework t Management Group Jump Japanese Mobile Phone System Jumbo Group Multiplex Just Noticeable Distortion Java Naming Directory Interface Junctored Network Java Native Interface t Nuclear Research Centre t Network Team (UK) ISO country code for Hashemite Kingdom of Jordan

JOBQ JOHNNIAC JOOP JOSS jp JP JPE JPEG jperl JPG JPG JPI JPL JPN7 JQC JRAD JRC JRE JRET JRG JRG JRI JRI JRMP JRTIC JS JSA JSAC JSAPI JSB JSC JSD JSF JSM JSP JSP JSR JSSST JST JSU JTAC JTACS JTACS JTAG JTAM JTAPI JTC JTC JTC1 JTCG JTCI JTEC JTF JTM JTPC JTPL JTR JTS JTS JTS/BFP

JOB Queue JOHN's (von Neumann) Integrator and Automatic Computer Journal of Object-Oriented Programming t Object Services Submission Internet country code for Japan ISO country code for Japan JPEG File ISO/IEC t Photographic Experts Group Japanese Perl t Presidents Group (CEN/CENELEC/ETSI) JPEG File Java Platform Interface Jet Propulsion Laboratory (Pasadena California USA) Japan Public Network 7 Journalling Queue Controller t/Rapid Application Development t Radio Committee (UK) Java Runtime Environment t Requirements Engineering Team t Rapporteur Group (ETSI) t Research Group Java Runtime Interface t Research Institute Java Remote Method Protocol t Radiophone Technical Interfaces Group JavaScript Japanese Standards Association IEEE Journal on Selected Areas in Communications (periodical) Java Speech API Jump To Subroutine t Scientific Committee Jackson Structured Development Junctor Switch Frame Job Service Model Jackson Structured Programming Job Service Provider Jump to Subroutine Japan Society for Software Science and Technology Japan Standard Time Job Service t Technical Advisory Committee Japan TACS Japanese TACS t Test Access Group Job Transfer And Manipulation Java Telephony API t Technical Committee (EBU/ETSI) t Technical Committee (IEC, ISO) t Technical Committee 1 t Technical Co-ordination Group t Technical Committee on Information Technology Japan Telecommunications Engineering and Consultancy t Task Force Job Transfer and Manipulation t Technical Programming Committee (IEC) Jini Technology Public License Japan Telecommunications Review (periodical) JNET Transport System Junctor Transport System Junctor Transport System/Basic Format Packetization

JTS-BFP JUG JUGFET JUGHEAD JV JVC JVC JVC JVM JWG JWI JWP

Junctor Transport System-Basic Format Packetization Java s Group Junction Field-Effect Transistor Jonzy's Universal Gopher Hierarchy Excavation and Display t Venture Japan Victor Company Java Foundation Classes Juggling Virtual Connection Java Virtual Machine t Working Group Jumper Wire Interface t Working Party

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Authentication Key Constraint Length of the Convolutional Code Kelvin Key Kilo (1000 or 1024) kilo (1000) Kommende (Incoming) Kernighan and Ritchie Key-Auto-Key Keyed Association Link Manager Keyboard Action Mode Kiva istrative Server Keystation Adapter Unit Keyboard Kilobit KiloByte (1024 Bytes) Knowledge Base Knowledge-Based Keyboard Keyboard Dialing Keyboard Input (HTML tag) Thousand Busy Hour Call Attempts Kilobits Per Second Kilobits Per Second Kilobytes Per Second Kilobits Per Second Knowledge Based System Korea Bureau of Standards Kilobyte ciphering Key Kodak Color Management System Keyset Call Processing kilocycles per second (obsolete, now Hz) Key Call Receiver Kilocycles per Second Kiva C++ Server Key Distribution Center Kermit Dialing Directory Kokusai Denshin Denwa Co. Ltd. (Japan) KeyboarD Entry Kommunikationsdatenerfassung (Call Detail Recording) Keyboard Display Station

KDS KDT KDU KDV

Kommunikationsdatensatz (Call Detail Record) Keyboard Display Terminal Kommunikationsdatenubertragung (operations system for the transfer of billing information) Kommunikationsdatennachverarbeitung (Billing Post-Processor ) (Hos

t) KE ISO country code for Republic of Kenya KE KErnel KE Key Equipment KE Key Escrow KEA Key Exchange Algorithm KEC Key Escrow Component KEES Key Escrow Encryption System KEK Key Encrypting Key KEMA N.V. tot Keuring van Electrotechnische Materialen (NL) KES Key Escrow System KETC Kelly Education and Training Center KEV Kilo Electron-Volt KEY personal KEY number KEY HOLD Key Hold message KEY REL Key Release message KEY SETUP Key Setup message KEY SETUP ACK Key Setup Acknowledge message KG ISO country code for Kyrgyz Republic (Kyrgyzstan) kg Kilograms KGD Known Good Die KGU Known Good Unit KH ISO country code for Kingdom of Cambodia (formerly Kampuchea) kHz kiloHertz Ki individual subscriber authentication Key KI ISO country code for Kiribati KID key_instance_data KIF Knowledge Interchange Facility KIF Knowledge Interchange Format KIP Kinetics Internet Protocol KIPS Kilo Instructions Per Second KIPS Thousands of Instructions per Second KIS Knowbot Information Service KIS Kodak Imaging Services KISS Keep It Simple, Stupid KISS Keep It Sweet and Simple KISS Kristen Information and Software Services KJS Kiva Java Server KL Key Lever KL Kilo Lines KLIC Key-Letter In Context KLM Kernel Lock Manager KLOC Kilo Lines Of Code KLOEC Kilo Lines of Executable Code KM ISO country code for Federal and Islamic Republic of the Comoros KM Key Mapping km Kilometer KM128X75 K Mod-128 Parameter for X.75 KM8X75 K Mod-8 Parameter for X.75 KMA Kernel Memory Allocator kmc Kilomegacycles KMS Knowledge Management System (AI) KN ISO country code for Saint Kitts and Nevis KNADR Koppelnetzaddresse (Switching Network Address) (Line Equipment Num ber)

KNCSL KOB kohm KONTES

Thousand Non-Commentary Source Lines Kernel Object Browser Kilohm Kundenorientierte Neugestaltung der Teilnehmerdienste mit Einsatz von DV-Systemnen (Subscriber Service Management Applic

ation) KOPS Kilo-Operation Per Second KP Beginning of Pulsing Signal KP ISO country code for Democratic People's Republic of Korea (North Korea) KP Key Pulse signal KP Keypad KP KeyPad information element KP Keypulse KPA Key Pulse Adapter KPD Keypad Digits KPD Known Product Defect KPF Key Pulse on Front KPIC Key-Phrase In Context kpsi Kilopounds Per Square Inch KQML Knowledge Query and Manipulation Language KR ISO country code for Republic of Korea (South Korea) KR Knowledge Representation KRB Kerberos KRITIC Knowledge Representation and Inference Techniques in Industrial Co ntrol (Esprit) KRS Knowledge Retrieval System KS Authentication Session Key KS Kapsch and Schrack KS Kearney Specification KS Key Set KS Korean Standard KS PP authentication Session Key KS U.S. postal code for Kansas KS' FP authentication Session Key KSAM Keyed Sequential Access Method KSC Knowledge Systems Corporation KSD Kermit Services Directory KSDS Key Sequenced Data Set KSE Keyboard Source Entry Kset Key Set KSG Key Stream Generator KSH Key Short Hunt KSH Keyset Short Hunt KSH Korn Shell ksh Korn Shell KSI Korea Standards Institute KSLOC Kilo Source Lines of Code KSMOH Key Set Music On Hold KSPS Kilo Samples Per Second KSR Keyboard Send/Receive KSS Key Stream Segment KSU Key Service Unit KSU Key System Unit KT Keying Trunk KT Korea Telecom KTA Key Telephone Adapter KTH Swedish Royal Institute of Technology KTILE Development Centre for Telecommunications (GR) KTN Kernel Transport Network

kTN KTRK KTS KTS KTU kV kVA KVM KVSt KW KW KW KW KWIC KWIT KXS KY KY KZ

kernel Transport Network Killer Trunk Key Telephone Set Key Telephone System Key Telephone Unit Kilovolt(s) Kilovolt-Amperes Keyboard, Video, Mouse (generally KVM Switch) Knotenvermittlungsstelle (Trunk Tandem Switching Exchange) (regional exchange, 3rd level of transit/long distance network) ISO country code for State of Kuwait KiloWatt Kilowatt(s) KiloWord Key-Word In Context Key-Word In Title Kiva Executive Server ISO country code for Cayman Islands U.S. postal code for Kentucky ISO country code for Kazakhstan

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DC Balancing Bit Inductance Length Line Link Layer Load current Locator LONG (long) Long Duration Low Low Frequency Radiance Local Oscillator Loop Around level zero Layer 1 Level 1 Layer 1 Activation/Deactivation Layer 1 Activation/Deactivation Layer 1 Activated Layer 1 Activation/Deactivation Layer 1 Deactivated Level 1 Gateway Layer 1 Thresholds Layer 1 Performance Monitoring Thresholds Group Identifier Layer 2 Level 2 Secondary Cache Layer-2 Forwarding Level 2 Forward Layer 2 Forwarding Protocol Level 2 Gateway Layer 2 Interface Layer 2 Management Link

L2ML L2R L2R BOP L2R COP L2RCOP L2TP L2TP L3 L3 L3_end L3TV L4 L4 LA LA LA LA LA LA LA LA LA LA LA LA La LA LA5 LAC LAC LAC LAD LADDR LADS LADS LADT LAF LAF LAI LAI LAIC LAIS LALSD LAM LAM LAM LAMA LAMP LAN LANA LANCE LANCOMM LANDP LANE LAP LAP LAP LAP LAP LAPB

Layer 2 Management Link Layer 2 Relay L2R Bit Oriented Protocol L2R Character Oriented Protocol L2R Character-Oriented Protocol Layer 2 Tunneling Protocol Level 2 Tunneling Protocol Layer 3 Level 3 Indicates Last Packet of a layer 3 Message Low Level Light Television Layer 4 Level 4 ISO country code for Lao People's Democratic Republic (Laos) Light Armor Line Adapter Link Adaptation Listed Address Load Accepted Load Available Local Agent Local Authority Location Area Logic Analyser Logical Address Tip Wire U.S. postal code for Louisiana International Alphabet No. 5 L2TP Access Concentrator Link ission Control Location Area Code digitaler Leitungsanschluss (Digital Line Access Module) Layered Device Driver Architecture Labor Distribution System Local Area Data Set Local Area Data Transport License Authorization Form Load Accepted Form Location Area Identification Location Area Identity Loopback Access Interface Card Line Alarm Indication Signal Language for Automated Logic and System Design Land/Aeronautical/Maritime Lobe Attachment Module Location Accuracy Matrix Local Automatic Message ing Local Area Multiprocessor Local Area Network LAN Adapter Local Area Network Controller LAN Communications LAN Distributed Platform LAN Emulation Line Access Point Line Access Protocol Link Access Procedure Link Access Protocol Local Access Provider Link Access Procedure- Balanced

LAPB LAP-B LAPC LAPD LAPD LAPD LAPD LAP-D LAPDm LAPDm LAP-Dm LAPF LAPF LAPF LAPG LAPM LAPM LAP-M LAPR LAPV5 LAPV5-DL LAPV5-EF LAR LAR LAR LAR LAR LARP LAS LAS LAS LASCR LASD LASER LASS LASS LASS LASSO LAT LAT Lat LAT LAT LATA LATA LATD LATID LATIS LATS LATS LAU LAURA LAVC LAWN LayMan LayMan LB LB LB LB

Link Access Protocol Balanced Link Access Procedure Balanced A DLC protocol Link Access Procedure for the D-Channel Link Access Procedure on the D-channel Link Access Protocol Digital Link Access Protocol for the D-Channel Link Access Procedures for the D-Channel Link Access Protocol Digital Mobile Link Access Protocol on the Dm channel Link Access Protocol on the Dm channel Link Access Procedure for Frame Mode Bearer Services Link Access Procedures for Frame Mode Bearer Services Link Access Protocol for Frame Relay Link Access Procedure on the G-Channel Link Access Procedure for Modems Link Access Procedure-Modem Link Access Procedure-Modem Link Access Protocol for Radio Link Access Protocol for the V5 Interface LAPV5 Data Link Sublayer LAPV5 Envelope Function Sublayer Load Access Rights Load Access Rights Local and Remote Logarithmic Area Ratio Lot Acceptance Rate Local And Remote Printing Local Analog Switch Logic Analysis System Low-Altitude Satellite Light-Activated Silicon Controlled Rectifier Large Area Screen Display Light Amplification by Stimulated Emission of Radiation Local Alarm Scanning System Local Area Signaling Services Local Area Signaling System LAser Synchronisation from Stationary Orbit Local Access Terminal Local Area Terminal Local Area Transport Local Area Transport (DECnet) Long-Term Architecture (ITU) Local Access and Transport Area (US) Local Area Transport Arrangement LATA Digits Large Angle Tilted Implant Drain Loop Activity Tracking Information System Latin American Telecommunications Summit Loop Access Test System Line Adapter Unit Local Area network Radio Access (ESPRIT) Local Area Vax Cluster (Network, Digital Equipment Corporation) Local Area Wireless Network Layered Development Manager Layered Manager ISO country code for Lebanese Republic (Lebanon) Leaky Bucket List Box Local Battery

LB LB LB LB LB Lb LBA LBA LBA LBAND LBC LBC LBCST LBE LBE LBJ LBN LBN LBN LBO LBOT LBR LBR LBR LBRDC LBRM LBRV LBS LBS LBT LBT LBT CBS LBUS LBX LC LC LC LC LC LC LC LC LC LC LC LC LC LC LC LC LCA LCA LCA LCA LCA LCA LCA LCAD LCAI LCAMOS

Local Bus Loop Back Loopback Low Band Postal code for Labrador Ring Wire Logical Block Address Logical Block Addressing Lower Boundary Address Local Band LAN Buffer Controller Logical Bearer Channel Local Broadcast Load Build Element Loopback Enable Light Bulb Joke Line Balancing Network List Box Notification Logical Bearer Number Line Built-Out (Network) Logical Beginning of Tape Large Business Remote Laser Beam Recording Low Bit Rate Low Bit Rate Data Communications Log-Based Reliable Multicast Low Bit Rate Voice List Box Style Load Balance System Listen Before Talk (CSMA) Listen Before Transmit Local-Battery Talking, Common Battery Signaling Line Card Bus Low Bandwidth X Inductance/Capacitance ISO country code for Saint Lucia Last Card Leaving Conference Line Card Line Circuit Line Concentrator Link Connection Link Control Link Controller Loading Coil Local C-plane Location Counter Locator Collection Logical Channel Lower Case Life Cycle Assessment Line Concentrating Array Local Calling Area Local Carrier Agent Logic Cell Array (Monolithic Memories Inc.) Logical Channel Assignment Lotus Communications Architecture Logical Channel Assignment for D-Channel ISDN Line Concentrating Array Loop Cable Maintenance Operations System

LCANUPB LCAODP LCAP LCC LCC LCC LCC LCC LCC LCC LCC LCC LCC LCC LCC LCCC LCCH LCCM LCCT LCD LCD LCD LCD LCD LCD LCD LCD LCD LCDR LCE LCE LCE LCEI LCF LCF LCF LCF LCF LCFC LCFS LCFSPR LCGA LCGI LCGN LCh LCI LCI LCID LCID LCIE LCIS LCK LCL LCM LCM LCM LCM LCM LCM LCM

Logical Channel Assignment for Nailed-Up B-Channels Logical Channel Assignment for On-Demand B-Channels Local Craftsperson Access Large Cluster Controller Leadless Chip Carrier Life Cycle Cost Line Card Carrier Line Circuit Card Line Class Code Line Control Card Link Control Card Live-Cycle Costs Local Calls Cleared (CSMA) Logical Conference Circuit Longitudinal Check Character Leadless Ceramic Chip Carrier Leash Control Channel LANClient Control Manager Logical Conference Circuit Least Common Denominator Line Card Line Card Drawer Line Concentrating Device Liquid Crystal Display Local Calls Delayed (CSMA) Loss of Cell Delineation Lost Calls Delayed Lowest Common Denominator Local Call Detail Recording Line Concentrating Equipment Linear Cable Engine Link Control Entity ISDN Line Concentrating Equipment Line Control Feature Load Content File Location Confirm Location Confirmation Log Control Function Load Content File Consolidation Last-Come First-Served Last-Come First Served Preemptive Local Carrier Group Alarm Local Common Gateway Interface Logical Channel Group Number Logical Channel Local Craft Interface Logical Channel Identifier Locale Identifier Logical Channel Identifier Laboratoire Central des Industries Electriques (F) Local Configuration Information Server Lock File Longitudinal Conversion Loss LANDesk Configuration Manager Least Common Multiple Limited Conversation Mode Line Card Multiplexer Line Concentrating Module Line Concentration Module Link Continuity Monitoring

LCM LCM LCM LCM LCM LCME LCMI LCMIP LCMP LCN LCN LCN LCN LCN LCO LCO LCO LCo LCOM LCOS L L L L L LCR LCR LCR LCR LCRF LCS LCS LCS LCS LCS LCSE LCSMA-CD LCSP LCSU LCT LCT LCT LCTC LCU LCU LCU LCUT LCV LCV LD LD LD LD LD LD LD LD LD LD LD

Liquid Crystal Module Local Customer Manager Logical Control Module Loopback Coupler Module Lowest Common Multiple Enhanced ISDN Line Concentrating Module ISDN Line Concentrating Module Lightweight CMIP Line Concentrating Module Processor Local Communication Network Local Communications Network Logical Channel Number Logical Connection Number Loosely Coupled Network (CDC) Landline Cellular Option Line Cutoff Local Coin Overtime Logical Connection LIU Communication Liquid Crystal On Silicon Least Congested Path Link Control Procedure Link Control Protocol Local Charging Prevention Local Control Point Least Cost Routing Line Concentration Ratio Locating Channel Receiver Lowest Cost Routing Local Connection Related Function(s) Large Capacity Storage Line Connection Subsystem Location Services Longest Common Subsequence Lotus Communications Server Logical Channel Signalling Entity Local CSMA-CD Limited Cluster Server Process Local Concentrator Switching Unit Laboratoire Central de Telecommunications Last Compliance Time Last Conformance Time Liquid Crystal Timing Controller Last Cluster Used Line Concentrating Unit Link Control Unit Line Card Under Test Line Code Violation Line Coding Violation(s) Laser Diode Laser Disk Line Diagram Line Drawer Linker Directive Loaded Location Directory Logical Drawer Long Distance Long Duration Loop Detect

LD LD LDA LDAE LDAP LDB LDB LDC LDC LDC LDC LDC LDCELP LD-CELP LDCM LDD LDD LDDCDDN LDDCDN LDE LDF LDI LDIF LDM LDM LDM LDM LDM LDMS LDN LDN LDN LDP LDP LDR LDR LDR LDR LDR LDRI LDS LDS LDS LDS LDS LDS LDS LDS LDSH LDST LDSU LDT LDT LDT LDT LDTA LDTA LDTR LDTS LDTV

Loop Disconnect Low Density Logical Device Address Long Distance Alert Enhancement Lightweight Directory Access Protocol Local Database Location Database Less Developed Country Line Drawer Controller Linear Divider and Combiner Long Distance Carrier Long Duration Call Low Delay Codebook Excited Linear Prediction Low-Delay Code Excited Linear Prediction LANDesk Client Manager Lightly Doped Drain Linear Delay Distortion LAPD D-Channel Default DN LAPD D-Channel Directory Number List Long Duration Events Linear Display File Long Distance Indicator LDAP Data Interchange Format Legacy Data Module Limited Distance Modem Linear Delta Modulation Logical Data Model Logical Device Manager LANDesk Management Suite Listed Directory Number Local Directory Number Local Distinguished Name Label Distribution Protocol Linux Documentation Project Light-Dependent Resistor Line Driver-Receiver Local Distribution Radio (Micro-Wave Telecom.) Local Dump and Restore Local Dynamic Routing Low Data Rate Input Landesamt fur Datenverarbeitung und Statistik Lightguide Distribution System Local Digital Switch Local Distribution System Logic Design System Logical Data Set Long Distance Signal Lower Data Strobe Logical Data Set Header Logical Data Set Trailer Local Digital Service Unit Line Appearance on a Digital Trunk Link Diversion Transactor Local Descriptor Table Location Determination Technology Long Distance Telecommunications istration Long Distance Telephone istration Local Descriptor Table Low Density Telephony Service Low-Definition Television

LDU LDU LDU LDX LE LE LE LE LE LE LE LE LE LE LE LE1 LEA LEA LEAF LE-ARP LEAS LEC LEC LEC LEC LECID LECS LED LED LEDA LEM LEMP LEN LEN LEN LEN LEN LEN LEN LENNI LEO LEO LEOS LEOS LEOSAT LEP LEP LEQ LER LERG LES LES LES LES LET LET LETB LETI LEV LEx

Line Drawer Unit Long Distance Usage Low Speed Data Unit Long Distance Xerography LAN Emulation Late Entry (TETRA) Less Than or Equal To Line Equipment Linear Executable Link Engine Linkage Editor Little-Endian Local Echo Local Exchange Loop Extender Link Engine, Type 1 LATA Equal Access Line Extender Amplifier Law Enforcement Access Field LAN Emulation Address Resolution Protocol LATA Equal Access System LAN Emulation Client Light Energy Converter Liquid Encapsulated Czochralski Local Exchange Carrier LAN Emulation Client Identifier LAN Emulation Configuration Server Light Emitting Diode Light Emitting Diode Light Emitting Diode Array Logical End of Media Lightning ElectroMagnetic Pulse Length Line Equipment Number Local Exchange Network Local Exchange Node Logical Entity Number Low-Entry Networking Low-Entry Networking (SNA) LAN Emulation Network-to-Network Interface Local End Office Low-Earth-Orbit (satellites) Lasers and Electro-Optic Society Low Earth Orbit Satellite Low-Earth-Orbit Communications Satellite Large Electron Positron Light-Emitting Polymer Link Emission Queuing Label Edge Router Local Exchange Routing Guide LAN Emulation Server Land Earth Station Line Errored Second(s) Load ES (80x86 inst) Line Equipment Transfer Link Establishment Time Local Exchange Test Bed Laboratoire d'Electronique et des Techniques de l'Information (F) Loader/Editor/Verifier Link Engine, Type x

LEX Lf LF LF LF LF LF LF LF LFA LFA LFACS LFAQ LFB LFB LFC LFC LFD LFE LFN LFN LFO LFPM LFS LFS LFS LFS LFSE LFSR LFU LFU LG LG LG LG LGA LGA LGA LGAI LGC LGCI LGCO LGCOI LGCOi LGE LGEI LGN LGP LGPL LH LH LH LH LH LHB LHC LHP LHS LHT LHT

Local Exchange feeding inductor Line Feed (ASCII Character) Line Filter Line Finder List File Logical Facility Low Float Low Frequency (30...300 kiloHertz) Line Feature Action Loss of Frame Alignment Loop Facility Assignment and Control System Less Frequently Asked Questions Look for Busy Look-Ahead for Busy Link FBUS Controller Local Functional Capability(ies) Line Fault Detector Log Front End Long Fat Network Long Filename Low Frequency Operation Linear Feet Per Minute Link Fault Sectionalization Log File Service Logical File System Log-Structured File System Linear Fractional Spaced Equalization Linear Shift Least Frequently Used Link Forced Uninhibit message DDOC Section: Log Reports LetterGram Link Group Logic Ground Laser Gate Array Leadless Grid Array Line Group Array ISDN Line Group Array Line Group Controller ISDN Line Group Controller Offshore Line Group Controller ISDN Offshore Line Group Controller ISDN Offshore Line Group Controller Line Group Equipment ISDN Line Group Controller Equipment Logical Group Node Link General Processor Library General Public License Line Hunting Link Handler Link Header (SNA) Local Host Long Haul Limited-Hard-Blocking Left-Hand Circular Polarization Local Host Processor Left Hand Side Long Holding Time Long-Haul Transoceanic

LI LI LI LI LI li LI LI LI LI LI LI LI LI LIA LIB LIB lib LIB LIB LIB LIC LIC LIC LIC LIC LID LID LID LIDA LIDAR LIDB LIDF LIDT LIF LIF LIF LIF LIF LIF LIF LIFE-911 LIFO LIFO LIH LII LIJ LIJP LILO LILO LILO LIM LIM LIM LIM LIM LIM LIMDO LIMS LIN

ISO country code for Principality of Leichtenstein Leap Indicator Length Indication Length Indicator LIaison Line Line Identity Line Interface Lines View Link Interface List Item (HTML tag) Loader Information Local Interface Logical Indications Link Inhibit Acknowledgment message Label Information Base Library Library Library File Object Code Library Run-Time Library Line Interface Card Linear Integrated Circuit Link Identification Code Links Command Lowest Incoming Channel Link ID Link IDentification code Link Inhibit Denied message Load- and Interference-Based Demand Assignment LIght Detection And Ranging Line Information Database Line Intermediate Distribution Frame Load Interrupt Descriptor Table (80x86 inst) Layer Interface Length Indicator Field Lifetime Television Logical Interchange Format Logical Interface Logical Interface Transactor Low-Insertion Force (IC-Sockets) Location Information for Enhanced 911 Last-In First-Out Last-In, First-Out Last Image Hold (Video) Location Independent Invocation Leaf Initiated Leaf Initiated t Parameter Last-In, Last-Out Linux Loader Look-In/Look-Out (Power) Line Isolation Monitor Call Limiter Language Interface Module (HLLAPI) Line Interface Module Load Information Manager Lotus/Intel/Microsoft Light Intensity Modulation-Direct Overwrite Lotus- Intel- Microsoft Line Index Number

LIN LIN LINC LINC LINC LINCMOS LINE LINFO LInh LINK LINPACK LION LION LION LION LPS LIP lip LIPC LIPS LIPS LIS LIS LIS LIS LISA LISA LISA LISB LISN LISP LISP LISP LISU LIT LIT LIT LIT LIU LIU LIU7 LIU-COM LIV LIW LJ LK LK LK LK LKDO LKED LL LL LL LL LL LL LL LL LL LL

Link Inhibit message Listing Index Number Legacy Internetworking Capability Localized Intelligent Network Control Long Term Intelligent Network Controller LINear Complementary Metal Oxide Semiconductor Line Maintenance Linker Information Local Inhibit Encoded Link LINear equations software PACKage (test for PC) Line Information for Open Networks Listing Information for the Open Network Local Integrated Optical Network Line Information for Open Networks- Line Profiling System Large Internetwork Packet Local Interested Party Long Interprocessor Communication Library of Image Processing Software Logical Inferences Per Second Library and Information Science Line Interface Shelf Logical IP Subnetwork Lot Identification System Large Installations Systems istration Local Integrated Software Architecture Localization Industry Standard Association Lithium Ion Storage Battery Line Impedance Stabilization Network Limited Instructions Set Processor List Processing LISt Processing language Local Integrated Switching Unit Line Insulation Test Link Local Inhibit Test message Literal Text (HTML tag) Local Intelligent Terminal LAN Interface Unit Link Interface Unit CCS7 Link Interface Unit Link Interface Unit- Communication Link Integrity Verification Long Instruction Word LaserJet ISO country code for Democratic Socialist Republic of Sri Lanka Line Key Link Looking for Party Locked Out LinKage EDitor Land-Line Leased Line Line Leg Link Layer Link Level Local Loopback Long Lines Lower Layer Low-Low Low-Low Algorithm

LL LLA LLA LLA LLAR LLAR LLB LLB LLB LLB LLBE LLC LLC LLC LLC LLC LLC LLC LLC LLCDBL1 anetwork) LLCDBL1P anetwork) for LLCDBL2 rnetwork) LLCDBL2P rnetwork) for LLCDU LLCIT LL LLCT LLD LLD LLDN LLDR LLE LLE LLF LLF LLF LLF LLFSQ LLFSQX75 LLI LLI LLI LLID LLL LLLTV LLM LLM LLME LLN LLN LLNL LLP LLP LLPP LLS LLS

Lunchtime Learning Link Level Access Logical Layered Architecture Low Level Access Local Line Automatic Routing Local Loop Access Ring Latching Loop Back Latching Loopback Line Loopback Local Loopback Latching Loopback Enabled Limited Liability Company Line Load Control Link Layer Control Logical Link Connection Logical Link Control Low Layer Capabilities Low Layer Compatibility Lower Layer Compatibility Low-Layer Compatibility Information Delivery Billing Records (Intr Low-Layer Compatibility Information Delivery Billing Records (Intr PRI Low-Layer Compatibility Information Delivery Billing Records (Inte Low-Layer Compatibility Information Delivery Billing Records (Inte PRI LLC Data Unit Low Layer Compatibility Information Transfer Link Layer Core Parameters Local Line Connected Terminal (TETRA) Logical Line Drawer Low-Level Driver Local Line Distribution Network Low-Level Design Review Large Local Exchange Long Line Equipment Line Link Frame Low Layer Function(s) Low-Level Format Low-Level Formatting Link Layer Frame Sequencing, LAPB Link Layer Frame Sequencing for X.75 Link Local Inhibit Signal Logical Link Identifier Low-Layer Information Low-Level Identifier Low-Level Language Low Level Light Television L-band Land Mobile Logical Link Manager Lower Layer Management Entity Line Link Network Logical Link Number Lawerence Livermore National Laboratory Line Link Pulsing Link Layer Protocol Link Layer Protocol Parameters LAN-Like Switching Link Layer Software

LLSC LLSU LLWS LLWSX75 LM LM LM LM LM LM LM LM LM LM LM LM LM Lm lm Lm LMA LmAN LMAN LMAP LMB LMB LMB LMC LMC LMC LMCS LMCUT LMD LMDS LMDS LMDS LME LME LME LME LMES Lmest LMF LMI LMI LMI LMI LMI LMMP LMMS LMOS LMP LMP LMP LMPS LMR LMRQAS LMS LMS LMS

Link Set Control Low Level Signaling Unit Link Layer Window Size, LAPB Link Layer Window Size for X.75 Layer Management Layer Management Leg Multiple Line Mode Line Module Line Multiplexer Linear Multicast Line-Monitoring Link Manager Link Monitor Load Monitor Local Member Location Manager Low-Mobile Channel lumen Traffic channel with capacity lower than Bm Local Mean Attenuation Limited LAN (low cost/performance LAN) Load Management Lower Mapping Module Left Mouse Button Line Module Busy Lower Middle Byte Line Module Controller Loop Maintenance Center LSI Messaging Card Local Multipoint Communications System Line Maintenance Cutover Line Module Local Multichannel Distribution Services Local Multipoint Distribution Service Local Multipoint Distribution System Layer Management Entity Line Module Equipment Line Monitoring Equipment LM Ericsson Land Mobile Earth Station Sidetone path loss Language Media Format Laser Module with Isolator Layer Management Interface Link Management Information Link Management Interface Local Management Interface LAN/MAN Management Protocol Local Message Metering Service Loop Maintenance Operations System LAN Management Protocol (IBM) Layer Management Protocol Local Management Protocol Land Mobile Products Sector (Motorola) Land Mobile Radio Land Mobile Radio Quality Assurance Scheme Land Mobile Satellite Least Mean Squares (Algorithm) Level Measuring Set

LMS LMS LMS LMS LMS LMS LMS LMSC LMSI LMSK LMSP LMSS LMT LMT LMT LMU LMU LMU LMU LMWS LMX LMX LN LN LN LN LN LN ln LNA LNA LNA LNB LNB LNC LNC LNC LNC LND LND LNI LNI LNI LNK LNLS LNM LNN LNNI LNNI LNP LNR LNr LNR LNRA LNS LNS LNS LNW LNX LO

License Management Services Line Monitoring System Local Measured Service Local Message Switch Location and Monitoring Services Logical Messages Lotus Messaging Switch LAN-MAN Standards Committee Local Mobile Station Identity Level-controlled Minimum-Shift Keying Local Message Switch Processor Land Mobile Satellite Service Lightwave Microcell Transceiver Local Maintenance Terminal Local Mean Time LAN Management Utilities LAN Manager for UNIX Line Monitoring Unit (ATT) Local Message Unit Licensed Millimeter-Wave Service Link Multiplexer L-type Multiplex Line Line Number Load Number Local Network Local Number Logical Network natural logarithm Local Network Architecture (IBM Inc.) Local Numbering Area Low Noise Amplifier Low Noise Block (down converter) Low-Noise Block Layer Network Coordinator Local Node Clock Local Node Control Low Noise Converter Last Number Dialed Local Number Dialed Line Interface Line Number Identification Local Network Interface Shortcut (Link) File Layered Networks' Integrated Services Linefeed/Newline Mode Logical Network Number LAN Emulation Network-to-Network Interace LANE NNI Local Number Portability Last Number Redial Leitungsnummer (Line Number) Low Noise Receiver Last Number Redial Associated with Set L2TP Network Server Lines Lines Maintenance Subsystem Local NetWork Low Noise high stability block downconverter Lamp Only

LO LO LO LO LO LO LO LOA LOA LOB LOC LOC LOC LOC LOC LOC LOC LOC LOC LOC LOC LOC LOCAP LOCN LocNo LOCNUI LOCOS LOCREQ LOD LOD LODA LOF LOF LOF LOF LOFA LOG Log LOGAL LOH LOI LOL LOLA LOM LONAL LONESL LOO LOOPUS Satellites LOP LOP LOP LOP LOP LOPA LOPSN LOPT LOR LOR LORAN

Learning Organization Link Option Local Origination Local Oscillator Lockout Low Priority Lower Order Letter of Agency Library Object Adapter Line of Business Lines of Code Linked Object Code Local Local End, No NUI Localizer Locality Location Location Number Loss of Clock Loss of Continuity Lowest Incoming Channel Lowest Outgoing Channel Low Capacitance cable Location Location Number Local End, NUI Recorded LOCal Oxidisation of Silicon (IC Technology) Location Request message Level of Detail Line Overflow to Directory Number Local Optimized Dynamic Assignment List of Figures Loss of Frame Loss of Framing Lowest Observable Frequency Loss Of Frame Alignment Call Logging Logarithm to the base 10 LOGical ALgorithmic language Line Overhead Letter Of Intend Laughing out loud LOTOS LAboratory Local Operations Manager Local Off-Network Access Line List of Non-Empty SNO Lists Likelihood Of Occurrence geostationary LOOPs in orbit occupied permanently by Unstationary Line of Product Loop Optical Carrier Loss of Pointer Loss of Power Lower Order Path Lower Order Path Adaptation Lower Order Path Sub-Network Lower Order Path Termination Line Overflow to Route Logical Object Reference Long Range Navigational System

LORE LOS LOS LOS LOS LOSDG LOSNDG LOST LOST LOSW LOT LOT LOTOS LOTOS LOUISA LOVC LOW LP LP LP LP LP LP LP LP LP LP LP LP LP lp LP LP LP LP LP LPA LPA LPA LPA LPA LPAM LPAS LPB LPBK LPBK LPC LPC LPC LPC LPC LPC LPC LPC LPC LPCS LPCVD LPCVD LPD LPD

Logic Oriented Repair Environment Line Of Side Line Out of Service message Line-of-Sight Loss Of Signal Loss of Signal/Loss of Synchronization Word with Dying Gasp Loss of Signal/Loss of Synchronization Word with No Dying Gasp Local Originating Station Treatment Lost Message Loss Of Synchronization Word Lapped Orthogonal Transform List of Tables Language for Temporal Ordering Specification Language of Temporal Ordering Specifications Lunar Optical-Ultraviolet-Infrared Synthesis Array Lower Order Virtual Container Low-Overhead Wakeup Language Processing Licensed Product Line Printer Linear Prediction Linear Program Linear Programming Link Processor Local Packing Local Processor Logical Port Logical Processsor Long (radio) Path Long Playing (record) Long pointer Longitudinal Parity Loop Loss Priority Low (filter) Low Priority Linear Power Amplifier Logical Page Address Loop Back Acknowledgment message Loudspeaker Paging Access Lower-order Path Adaptation Line Power and Alarm Module Linear Prediction Analysis-by-Synthesis Link Interface Paddle Board Loopback Loopback Trunk Linear Prediction Coding (Speech Synthesis) Linear Prediction Coefficient Linear Predictive Code Linear Predictive Coder Linear Predictive Coding Local Port Controller Local Procedure Call Loop Provisioning Center Lower-order Path Connection Licensed Personal Communications System Liquid Phase Chemical Vapor Deposition Low Pressure Chemical Vapour Deposition (IC Technology) Line Printer Daemon Link Protocol Discriminator

LPD LPD LPD LPDA LP-DDCA LPDU LPE LPF LPI lpi LPI LPIC LPIC LPIC LPIF LPII LPLF LPLMN LPM LPM LPM LPM LPN LPO LPP LPP LPP LPR LPR LPR LPRA LPRI LPS LPS LPS LPS LPS lpsz LPT LPT LPT LPTS LPTV LPU LPU LPV LPVS LPWA LQ LQA LQM LQM LQN LQP LR LR LR LR LR LR

Loop Timed Low Power Device (transmitter) Low Proability Detection Link Problem Determination Aid (IBM) Local Packing Dynamic Distributed Channel Assignment Link Protocol Data Unit Layout Parameter Extraction Low Filter Lightning Protection unit Lines Per Inch Lines Per Inch IntraLATA PIC Local Primary Intra-LATA Carrier Per-Line Primary InterLATA Carrier L-Bus/P-Bus Interface Line Privileges Information Indicator Least Power Level First Local PLMN Linearly Polarized Mode Lines Per Minute Linux Projects Map Logical Port Multiplexer Local Packet switched Network (BOC) Local Processor Outage Licensed Program Product Lightweight Presentation Protocol Link Peripheral Processor Line Printer Line Printer Requester Line-Protected Ring Low Power Radio Association Loss Priority Lightning Protection System Line Profiling System Local Processor SRAM Low Power Satellite (...50W) Low-Power Schottky Long pointer to a string terminated by a zero byte Line Printer Logical Processor Type Lower-order Path Termination Loop Time Slot Low Power Television Line Processing Unit Link Processing Unit Lowest PVC Link Packet Voice Server Lucent Personalized Web Assistant Letter Quality Line Quality Advisor Line Quality Manager Link Quality Monitoring Line Quality Network Letter-Quality Printer ISO country code for Republic of Liberia Last Record Link Location Logic Return Long Reach

LR LRA LRAM LRB LRC LRC LRC LRC LRC LRC LRCC LRCF LRD LRDF LRDI LRE LRE LRE LRF LRFSM LRGP LRI LRJ LRM LRM LRM LRMPS LRN LRN LRPC LRQ LRR LRS LRTC LRU LRU LRU LRU LS LS LS LS LS LS LS LS LS LS LS LS LS LS LS LS(0/1) LSA LSA LSA LSA LSA RC LSAC

Loudness Rating Line Reversal on Answer Local RAM Loop Reverse Battery Layout-Rule Check (IC Design) Learning Resource Center Line Restriction Code Local Routing Center Longitudinal Redundancy Check Lost Record Count Longitudinal Redundancy Check Character Location Registration Control Function Long Route Design Location Registration Data Function Line Remote Defect Indication Logic Return Equalizer Low Rate Encoding Low Rate Encoding Location Registration Function Location Registration Function State Model Loudness Rating Guarding Position Link Remote Inhibit Test Signal Location Reject Language Reference Manual Least Recently used Master Local Receiver Module Local-to-Remote Maximum Packet Size Local Reference Number Location Routing Number Lightweight Remote Procedure Call Location Request Learning With Random Routing Line Reversal on Seizure Local-to-Remote Throughput Class Least Recently Used Least Replaceable Unit Line Remote Unit Line Resource Unit ISO country code for Kingdom of Lesotho Least Significant Letter Shift Line Station (TETRA) Line Subgroup Line Switch Link Set Link State Link Switch Local Single-Layer Local Switch Locking Shift Loop Start LoudSpeaker Low Speed Link Status bits Link State ment Local Security Authority Low Speed Adapter Low-Speed Access Low Speed Access Resource Complex Signaling Link Activity Control

LSAP LSAP LSAP LSAPI LSAPI LSAS lsb LSB LSB LSB LSC LSC LSC LSC LSC LSC LSC LSC LSC LSCC LSCNB LS LSD LSD LSD LSD LSD LSDA LSDB LSDB LSDB LSDBMS LSDS LSDU LSDU LSDU LSDU LSE LSE LSE LSE LSES LSF LSF LSF LSF LSG LSH LSI LSI LSI LSI LSID LSL LSL LSL LSL LSLA LSLD LSLR

Link Layer Service Access Point Link SAP LLC Service Access Point License Server API License Service API Line Side Answer Supervision Least Significant Bit Least Significant Bit (byte) Lower Sideband Lower SideBand Large Scale Configuration Large System Configuration Line Screening Code Link State Control Link State Controller List Search Call (TETRA) Location Service Center Logical Signaling Channel Loopback Select Code Local Servicing Control Center LIDB-Specified Called Number Blocking Low-Speed Card Punch Least Significant Digit Least Significant Digit Line Signal Detector Line-Sharing Device Low Speed Data Signaling Data Link Allocation Link State Database Listing Services Database Load Sharing Database Listing Services Database Management System Standby Data Link Selection Link Layer Service Data Unit Link Service Data Unit Link Service Data Unit Low Speed Data Unit Language Sensitive Editor Line Signalling Equipment Local Single-Layer Embedded Loop Signaling Equipment Line Severe Errored Second(s) Line Spectral Frequency Line Spread Function (Imaging) Line Switch Frame Load Sharing Facility Line Subgroup Least Significant Half Word Large-Scale Integration Line Side Interface Load Status Information Low Speed Interface Local Session Identification Link Layer Linux System Labs Load Segment Limit Local Serial Link Signaling Link Activation Signaling Link Deactivation Signaling Link Restoration

LSM LSM LSM LSM LSM LSMS LSO LSO LSOA LSP LSP LSP LSP LSP LSP LSP LSP LSPI LSPID LSPK LSPP LSPTR LSR LSR LSR LSR LSR LSROS LSRPA LSRR LSS LSS LSS LSSD LSSGR LSSGR LSSU LSSU LST LST LST LST LSTA LSTDN LSTP LSTR LSTTL LSU LSU LSU LSU LSU LSU LSU LSV LSV LSW LSZH LT LT

Limited Size Messaging Line Switch Marker Link Set Management Link Status Message Linux Software Map Local Service Management System Line Signalling Oscillator Local Serving Office Local Service Order istration Label Switched Path Link State Packet Link-State PDU Liskov Substitution Principle Listing Services Platform Local Service Provider Logical Service Port Loudspeaker Paging Local Service Provider Identification Local Service Provider ID Loudspeaker Local Service Provider Portability Low-Speed Paper Tape Reader Label Switch Router Label Switching Router Leaf Setup Request Loose Source Route Loose Source Routing Limited Size Remote Operation Services Loudspeaker and Radio Paging Access/Answerback Loose Source and Record Route Laboratory System Link Status Signal Loop Switching System Level-Sensitive Scan Design (IC) LATA Switching Systems Generic Requirements Local Switching Systems General Requirements (obsolete meaning) Link Status Signal Unit Link Status Signal Unit Laplace-Stieltjes Transform Listing Listing File Local Symbol Table Signaling Terminal Allocation Listed Directory Number Local Signal Transfer Point Listener Sidetone Rating Low-power Schottky Transistor-Transistor Logic LAN Service Unit Leading Signal Unit Line Shelf Unit Line Sub-Unit Local Unit (viz CSU) Local Switching Unit Lone Signal Unit Line Status Verifier Low Speed Variant Least Significant Word Low Smoke Zero Halogen ISO country code for Lithuania Lab Trial

LT LT LT LT LT LT LT LT LT LT LT LT LT LT LTA LTA LTA LTA LTAP LTB LTC LTC LTC LTC LTCCS LTCF LTCI LTCLASS LTCO LT LTCT LTD LTD LTD LTE LTE LTE LTE LTE LTE LTE LTEI LTF LTF Ltg LTG LTG LTG LTGRP LTH LTID LTID LTIP LTL LTL LTLI LTLS LTM LTNUM LTOM

LATA Tandem Less Than LeTter Line Terminal Line Termination Link Trailer Local Tandem Logical Terminal Logical Tuple Long-Term Low Tension Low Tone Lower Tester Lucent Technologies Line Test Access Load-Transfer-Acknowledgement signal Local Transport Address Long Term Architecture Logical Terminal Access Privileges Last Trunk Busy Line/Trunk Controller Local Test Cabinet Longitudinal Time Code (VTR) Lowest Two-way Channel Last Trunk CCS Lower Tester Control Function ISDN Line/Trunk Controller Logical Terminal Class Line/Trunk Controller Offshore Lower Tester Communication Point LATA Tandem Connection Trunk Licensed-In Technology Directory Local Telecom Division (Sprint) Local Test Desk Line Terminal Equipment Line Terminating Equipment Line Termination Equipment Line Trunk Equipment Linear Transversal Equalizer Lite Terminating Equipment Local Terminal Emulator ISDN Line Trunk Equipment Long-Term Failure Loop Testing Frame Leitung (Line) Line Treatment Group Line/Trunk Group Logical Terminal Group Logical Terminal Group Line and Trunk Hunting (supplementary service) Local Trunk Identification Logical Terminal Identifier Long-Term Investment Plan Local/Toll Services Lunchtime Learning Local/Toll Services International Lunch Time Learning Session Line and Trunk Maintenance Logical Terminal Number Less Than One Minute

LTORG LTOS LTP LTP LTP LTP LTP LTR LTR LTR L-TRIB LTRS LTS LTS LTS LTS LTS LTS LTS LTS LTS LTT LTU LTU LTU LTUA LTUD LTUMF LU LU LU LU LU LU LU lu LU LUA LUA LUF LUF LUG LUH LUI LUID LULT LUN LUN LUNI LUNI L-UNI LUNT LUNT LUP LUP LUT LUT LUTI LUTS LUX

Literal Pool Origin Less Than One Second Line and Trunk Peripherals Line Test Position Line Trunk Peripheral Local Test Position Long Term Prediction Load Task (80x86 inst) Load Transfer Load-Transfer signal Link-Transfer Rate of Information Bits LeTteR Shift Labelled Transition System Laboratory Test System Library of Test Specification Lightwave Telecommunication System Line Traffic Simulator Line Trunk Server Long-Term Storage Loop Test System Loop Testing System Line Termination Type Line Terminating Unit Line Test Unit Lower Test Unit Line Test Unit, Analog Line Test Unit, Digital Loss of TU Multiframe ISO country code for Grand Duchy of Luxembourg Line Unit Linux Universe Living Unit Local Units Location Update Location Updating Logical Unit Logical Unit (IBM-SNA) Link Uninhibit Acknowledgment message Logical Unit Application Line Unit Failed Lowest Usable Frequency (Short Wave Propagation) Linux 's Group Logical Unit Handler Line-by-Line Interface Locally Unique Identifier Line Unit/Line Termination Link Uninhibit message Logical Unit Number LAN Emulation -Network Interface LANE UNI LAN Emulation -to-Network Interface Line Unit Network Termination Line Unit/Network Termination Location Update Protocol Logical Port Lookup Table Look-Up Table Line Unit T Interface Locked-Up Trunk Scan Lbus to Xlbus ASIC

LV LV LV LV LV LV LVA LVC LVC LVD LVD LVDT LVIC LVL LVM LVM LVR LVR LVS LVS LVT LVX LW LW LW LW LWA LWA LWC LWE LWER LWI LWL LWP LWP LWP LWT LWT lx LXP LY LZ LZ LZW

ISO country code for Latvia LaserVision Length and Value List Volumes Logical Volume Low Voltage List Viterbi Algorithm Logical Virtual Circuit Low-Order Virtual Container Low Voltage Directive Low Voltage Disconnect Linear Variable Differential Transformer Liquid crystal display Video Interface Controller Level Leave Message Logical Volume Manager Low Voltage Reconnect Low Voltage Relay Layout vs. Schematic Local Video Server Link Verification Transactor LAN/WAN Exchange Leave Word Lightwave Long Wave (100...500 kiloHertz) Long-Wavelength Light Wire Armor Light Wire Armored Leave Word Calling Lower Window Edge Lightweight Encoding Rules Logical Work Item LichtWellenLeiter Library for WWW Access in Perl Lightweight Process Logical Work Processor Listen While Talk Listen While Talk (CSMA/CD) lux LSI Crospoint ISO country code for Libya Landing Zone Lempel-Ziv Lempel-Ziv-Welch

back to top|0-9|A|B|C|D|E|F|G|H|I|J|K|L - M N|O|P|Q|R|S|T|U|V|W|X|Y|Z M M M M M M M M M m

Magenta Maintenance Management Manager Mandatory Mantissa Mega (10+6 or 1024*1024) Member Memory Meter(s)

M M M M M m M M M M M&C M&HIRS M&P M/IO M/O M/QPR M/S M/U M/W M2M MA MA MA MA MA MA MA MA MA MA MA MA mA MA MA MA MA MA MA M-A MA OA MA&E MAANR MAC MAC MAC MAC MAC MAC MAC MAC MAC MAC MAC MAC MAC MAC MAC MAC MAC

Million Modified Modifier Monitor Monitor Bit Monospace More More Data Multiframing OSI Management Service Mapping and Coordination Multimedia and Hypermedia Information Retrieval Services Methods and Procedures Memory/IO Mandatory/Optional Modified/Quadrature Partial Response Master/Slave Multi- Microwave Manager-to-Manager ISO country code for Kingdom of Morocco MAC Layer Service Maintenance Action Maintenance Attendant Major Management Media Adaptor Medium Adaptor Memory istration Message Analysis Message Analyzer Metropolitan Area Milliampere(s) MJU Alert Mobile Allocation Moving-Average Multiple Access My Address U.S. postal code for Massachusetts Manager-Agent Memory istration Operations Application Market Awareness and Education Management-and-Abnormal Machine istration Center Macintosh MACRO-11 File Maintenance Action Client Mandatory Access Controls Mandatory Authorization Code Collection Measurement and Analysis Center Media Access Control Medium Access Control Memory istration Center Message Authentication Code Message Authenticity Check Mobile Attenuation Code Moves, Adds, and Changes Multiple Access Control Multiplexed Analog Components Multiplier-Accumulator Chip

MAC MAC MAC MACA MACA MACD MACE MACF MACN MACR MACRO MACS MacSRP MACSTAR MAD MADE MADN MADO MADS MADS MAE MAE MAE MAE MAE MAE MAF MAF MAF MAF MAFF MAG MAGIC MAH MAHD MAHO MAHO MAI MAI MAI MAI MAID MAINT MAIO Maj MAK MAL MAL MALSAN MAMI MAMSK MAMSK MAN MAN MAN MAN MAN SIG ManB MANB ManB

Multiply Accumulate Multiply-Accumulate Multipurpose Access Client Mobile-Assisted Channel Allocation Mobile-Assisted Channel Assignment Meridian Automatic Call Distribution Macintosh Audio Compression/Expansion Multiple Association Control Function Mobile Allocation Channel Number Modified Allowed Cell Rate Machine Assembled Code for Routine Operations Meeting Access and Control System Macintosh Software Release Package Multiple Access Customer Station Rearrangement Michigan Algorithmic Decoder Manufacturing and Automated Design Engineering Multiple Appearance Directory Number Meridian Asnchronous Data Option Maintenance And Diagnosis System Multiple Access Data System Mac Emulator Environment Macintosh Application Environment Merchant Asic Engineering Message Addressable Entity Message Arrival Element Metropolitan Area Exchange Management Application Function Minimum Audible Field Mobile Additional Function Multiple Access Facility Market Access Fact Finding Metropolitan Area Gateway Multidimensional Applications and Gigabit Internetwork Consortium Mobile Access Hunting (supplementary service) Mobile Assisted Handoff Denied Mobile Assisted Handoff Mobile Assisted Handover Magellan Access Integrator Mobile Allocation Index Multiple Access Interface Multiple Access Interference Maidenhead Maintenance Mobile Allocation Index Offset Major Make File Application Layer-Management Entity Interface Mobility Adaptation Layer Maximum Authorised Length of Subaddress Accepted by Network Modified Alternate Mark Inversion Multiamplitude Minimum Shift Keying Multi-Amplitude Minimum Shift Keying Manual Manual Line Metropolitan Area Network Multiple Area Network MANagement Special Interest Group (OSF) Maintenance Busy Manual Busy Manual Busy

MANIAC MANIC e part MAO MAOA MAOS MAP MAP MAP MAP MAP MAP MAP MAP MAP MAP MAP MAP MAP MAP MAPCI MAPDU MAPDU MAPI MAPI MAPOS MAQ MAR MAR MAR MARC MARCH MARECS MAROTS MARPAL MARS MARS MARS MARTEL MAS MAS MAS MAS MAS MAS MAS MAS MAS MAS MAP MASA MASC MASC MASE MASER MASI MASK MASM MASQ

Mechanical And Numerical Integrator And Computer MANufacturer Identity for Cordless fixed part and Cordless portabl Maintenance, istration and Operations Memory istration Operation Application Memory istration Operations System Maintenance and istration Position Maintenance-Analysis Procedure Management Application Process Management Assessment Program Manufacturing and Planning Manufacturing Automation Protocol Maximum A Posteriori Adaptation Mediated Access Point Medium Access Protocol Microelectronics Application Project Minimum Acceptable Performance Mobile Application Part (GSM 09.02) Mobile Application Part (SS7) Multi-Aspect PAD MAP Command Interpreter MA Protocol Data Unit Management-Application Protocol Data Unit Messaging Application Programming Interface Microsoft Application Programming Interface Multiple Access Protocol Over SONET/SDH Message Arrival Queue Memory Address Multialternate Route Multialternate Routing Machine Readable Cataloguing Bellcore operations system for Memory istration/Recent Change of SPCS istrable data (Bellcore trademark) MARitime European Communications Satellite MARitime Orbital Test Satellite Marseilles-Palo submarine cable Message Archiving and Retrieval Service Multicast Address Resolution Server Multipurpose Access Remote Server Marseilles-Tel Aviv submarine cable Managed Access System Management Application System Mass Announcement System Mass Calling Memory istration System Meridian Attendant Service Mobile Access Station Muenzanschluss (Prepayment Terminal) Multimedia Applications Application Service (IBM) Main Store Arrays Main Store Controller MOBITEX Asynchronous Communications Interface Message istration Service Element Microwave Amplification by Stimulated Emission of Radiation Multimedia Application/Services Interface Logical Mask Immediate (88100 inst) Microsoft Assembler Meridian Attendant Service Queueing

MASR MASS MAT MAT MAT MATD MATD MATE MATES MATH MATM MATSE MATV MAU MAU MAU MAU MAU MAU MAU MAVT MAX MAX MAX MAXCR MAXIT MAXS MAXTRIG MAZ MB MB MB MB MB MB MB MB MB MB MB MB MB MB MB MB MB MBA MBA MBA MBA MBA MBA mbar MBASET MBC MBC MBC MBCD MBCE MBCEACC

Memory Address Select Multiple Access Sequential Selection Machine-Aided Translation Meridian istration Tools Metropolitan Area Trunk Maximum Acceptable Transit Delay Maximum Allowable Transit Delay Modular Automatic Test Equipment Management of Training and Expertise System Matheson Multiple Area Transfer Mode Mobile Automatic Telephone System (F) Master Antenna TeleVision system Mathematical Acceleration Unit (Floating-Point Co-Processor) Media Access Unit (IEEE 802) Media Attachment Unit Medium Attachment Unit Memory Access Unit Multiple Access Unit Multistation Access Unit (token ring/IBM) Mobile Audio-Visual Terminal Cinemax Maximum Media Access Exchange Maximum Number of Non-Call-Associated Call Reference Values Maximum Interference Threshold Metallic Automated Cross-Connect System Maximum Trigger Count MagnetAufZeichnung Macro Block Macroblock Magnetband (Magnetic Tape) Mail Box Mailbox Main Battery Maintenance Busy Make Busy Manual Busy Medium Band MegaBit Megabyte Message Box Message Buffer Size Moon Bounce Motherboard Postal code for Manitoba Macroblock Address Maintenance Group Blocking Acknowledgment Signal Message Masters in Business istration Modular Business Access Multimedia Business Applications Multiple-Bridged Arrangement milibar Make Busy Application Sets Modified Bi-phase Code (Telecom.) Multi Bearer Control Multiple Bearer Control Man Busy Card Manual Bridged Call Exclusion Manual Bridged Call Exclusion Access Codes

MBCETACC MBCF MBCS MBCT MBCTANL MBCTTSP MBD MBDS MBE MBE MBE MBF MBFM mbg MBG MBG MBGE MBI MBI MBIC MBIF MBIT M-bit Mbit/s MBK MBKU MBLAM MBM MBM MBNQA MBONE MBone MBONE MBPC MBPG MBPS Mbps MBPS MBPT MBR MBS MBS MBS MBS MBS MBS MBS MBS MBSCO MBSCW MBSY MBTI MBU MBUR MBUS M-BWO MBX MBYTE Mbyte MC

Manual Bridged Call Exclusion Toggle Access Code Mobile Bearer Control Function Multibyte Character Set Make Busy Control Terminals Make Busy Control Per Analog Terminal Make Busy Control Terminal Per TSP Management By Delegation Modular Building Distribution System Molecular Beam Epitaxy Molecular Beam Epitaxy (GaAs Process, VHSIC Technology) Multi-Byte Extension Microsoft Binary Format Medium-Band Frequency Modulation Money Back Guarantee Multilocation Business Group Multiswitch Business Group Multiswitch Business Group Element Message Billing Index Message Billing Indicator Modular BiCMOS Maintenance Bus Interface Metering Bit More data bit Megabits per Second Make Busy Key Multi-Button Key Unit Memory-Based Listing Access Method Magnetic Bubble Memory Motion Boundary Marker Malcom Baldrige National Quality Award Multicast Backbone Multicast Backbone Virtual Internet Backbone for Multicast IP Multiple Burst Per Carrier Mobile Paging Measure-Based Priority Scheme Megabits Per Second MegaBytes Per Second Multiple Burst Per Transmitter Master Boot Record Master Boot Sector Maximum Burst Size M-bit Sequence Meridian Business Set Microcell Base Station Mobile Broadband Services Mobile Broadband System Multi-Block Synchronization signal unit Meridian Business Set Camp-On Meridian Business Set Call Waiting Manual Busy Meyers-Briggs Type Indicator Message Buffer Unit Maintenance Group Blocking/Unblocking Reception Maintenance Group Blocking/Unblocking Sending M-type Backward Wave Oscillator (Microwaves) Multi-Buffering Extension Match Byte Megabyte ISO country code for Principality of Monaco

MC MC MC MC MC MC MC MC MC MC Mc MC MC MC MC MC MC MC MC MC MC MC MC MC MC1 MC2 MC3 MCA MCA MCA MCA MCA MCA MCA MCAD MCAM MCAST MCB MCB MCB MCBTS MCC MCC MCC MCC MCC MCC MCC MCC MCC MCC MCC MCC MCC MCC MCCC MCCD MC-CDMA MCCOI MCCS

Machine Congestion Maintenance Center Maintenance Control Maintenance Controller Major Class Major Line Class Management Client Management Committee Marks Committee (CENELEC) Media Copy Megacycle Message Center Message Controller Message Converter MHz Module Code Motion Compensated Motion Compensation Moving Coil Multi Carrier (TDMA) Multiple Carrier Multiplex Code Multipoint Control Entity Multipoint Controller Machine Congestion Level 1 Machine Congestion Level 2 Machine Congestion Level 3 Manual-Changeover-Acknowledgement signal MDII: Misrouted CAMA Micro Channel Architecture Mobile Corporate Access Multichannel Access Multiple Call Arrangement Multiplexing Channel Adapter Mechanical CAD Meridian Cabinet Auxiliary Module Multicast Memory Control Block Message Control Block Mobile Communications Bureau Multi-Channel Basestation Transceiver Subsystem Call Control-Management Entity Interface Maintenance and Control Center Maintenance Control Center Maintenance Control Circuit Master Control Center Master Control Complex Message Channel Controller Miscellaneous Common Carrier Mobile Control Center Mobile Country Code Mobile Crosstalk Control Multi-Channel Connection Multiple Channel Coordination Multipoint Command Conference Multi Connection Call Control Mechanized Calling Card Service Digits Multicode CDMA Multimedia Conferencing Community of Interest Mechanized Calling Card Service

MCD MCD MCD MCD MC-DCT MCDN MCDN MCDN MCDR MCDS MCDU MCDV MCE MCE MCEI MCF MCF MCF MCF MCF MCF MCF MCF MCF MCF MCFS MCG MCG MCGA MCGA MCGAM MCH MCH MCH MCHO MCI MCI MCI MCI MCID MCIDRi MCIDRi MCIL MCIS MCL MCL MCL MCL MCLM MCLM-E MCLPA MCLR MCM MCM MCM MCM MCM MCM MCMP MCN

Maintenance Cell Description Minimum Charge Duration Minimum Chargeable Duration Mobile Communications Division Motion Compensation-Discrete Cosine Transform Meridian Customer Defined Networking Message Center Directory Number Micro-Cellular Data Network Meridian Cabinet Digital Remote Multi-Channel Data System Thousands, Hundreds, Tens, Units Maximum Cell Delay Variance M Bus Checker Enable Management Control Entity MAC Connection Endpoint Identification Maintenance Control Flag Master Configuration File Media Access Control Convergence Functions Medium access control Convergence Function Message Communication Function Message ConFirmation Meta Content File Meta Content Framework Mobile Control Function Most Critical First Modem Characteristics Facility Maintenance Code Gap Motorola Computer Group Memory Controller Gate Array Multicolor Graphics Array MIXER Conformant Global Address Mapping Maintenance Channel Malicious Call Hold Matcher Mobile Controlled Handover Malicious Call Identification Media Control Interface Message Compatibility Information Microwave Communications Inc. Malicious Call IDentification (supplementary service) MCID Request Indicator MCID Response Indicator Manufacturing Compatible Issue Lineup Microsoft Commercial Internet Service McLean Mercury Communications Ltd. Microsoft Compatibility Labs Multipoint Communication Layer Meridian Cabinet Line Module Meridian Cabinet Line Module-Enhanced Multi Channel Linear Power Amplifier Maximum Cell Loss Ratio Maintenance Control Module Message Channel Maintenance Message Channel Manager Multicarrier Modulation Multichip Module Multi-Chip Module Manual Camp-On M-Communication Network

MCN MCN MCN MCNC MCNS MCNT MCO MCO MCO MCOM MCompI MCOS MCOS M M M M M MA MC MN Ms MS MS MT MCR MCR MCR MCR MCR MCR MCRD MCRT MCRU MCRW MCS MCS MCS MCS MCS MCS MCS MCS MCS MCS MCS MCS MCS MCS MCS MCS MCS MCS MCSA MCSA MCSD MCSD MCSE MCSN MCSS

Mobile Cellular Network Mobile Control Node Multipoint Command Negating Microelectronics Center of North Carolina Multimedia Cable Network Systems Meter Pulse Count Manual-Changeover signal Mobility Call Origination Multi-Console Organizer Mosaic Communications Corporation Message Compatibility Information Message Waiting Class of Service Messaging Class of Service Management and Control Processor Maritime Cargo Processing Message Control Program Microsoft Certified Professional Mobility Control Point Multicarrier Power Amplifier Multiple Channels Per Carrier Mobile Customer Premises Network Megacycles per second (obsolete) Microsoft Certified Product Specialist Multi-S Multiple Channels Per Transmitter Mapped Conversation Record Mate Communications Minimum Cell Rate Mirror Consistency Record Module Configuration Monitor Console Routine Maximum Call Redirections and Deflections Maintenance CRT Meridian Cabinetized Remote Unit Memory-Card Reader/Writer MAP Communication Server (IBM) Maritime Communications System Message Collection System Message Command System Message Control System Micro Controller System Microcontrol Store Microcontroller Subsystem Micro-Controller Subsystems Microsoft Consulting Services Mini Cable Ship Multicast Server Multi-Channel Scaler (Counter) Multimedia Communications Systems Multipoint Command Symmetrical Data Transmission Multipoint Communication Service (ITU) Multipoint Communications Service(s) Multipoint Communications System Multi-Channel Spectrum Analyser Multimedia Communications Systems Architecture Microsoft Certification for Software Developers Microsoft Certified Solution Developer Multiplex Configuration Signalling Entity Monitoring Cell Sequence Number Meridian Cabinet Spare Storage

MCT MCT MCT MCT MCTCB MCTCD MCTD MCTG MCTSI/DLI MCTU MCU MCU MCU MCU MCU MCU MCU MCU MCU MCU MCUP MCVD MCVFT MCW MCZA MD MD MD MD MD MD MD MD MD MD MD MD MD MD MD MD MD MD MD MD2 MD4 MD5 MDA MDA MDA MDA MDA MDA MDB MDB MDB MDB MDB MDBS MDC

Malicious Call Trace Metric Color Tag Mobile Communication Terminal Modem Conformance Tester Maximum Combined Throughput Class for B-Channel Maximum Combined Throughput Class for D-Channel Maximum Cell Transfer Delay Multicast Translation Group Module Controller Time-Slot Interchanger/Dual-Link Interface Module Controller Time Slot Interchange Unit Main Control Unit Master Control Unit MicroComputer Unit Microcontroller Unit Microprocessor Control Unit Minimum Coded Unit Mobile Computing Unit Multipoint Conference Unit Multipoint Connection Unit Multipoint Control Unit Mechanization and Cooperative Programming Modified Chemical Vapor Deposition Multichannel Voice Frequency Telegraphy Modulated Continuous Wave Multiple Channel Zone Access (Telecom.) ISO country code for Republic of Moldova Management Domain Manufacture Discontinue Manufacture Discontinued Manufacturer-Defined Manufacturing Discontinued Mediation Device Message Definition Message Delimiter Message Digest Microsoft DoubleSpace Mini-Disk Mission Domain Monochrome Display More Data Moving Direction Multi-Destinational Multiple Digit U.S. postal code for Maryland Message Digest 2 Message Digest 4 Message Digest 5 Manufacturing Design Authorization Mechanical Design Automation Mechanized Directory Assistance Modular Digital Architecture Monochrome Display Adapter Multiple Digit Absorbing Maintenance Device Buffer Message Data Block Meta Database Modified Duobinary Module Database Mobile Data Base Station Manipulation Detection Code (OSI/security)

mdc MDC MDC MDCB MDCD MDCT MDDS MDE MDE MDF MDF MDF MDH MDI MDI MDI MDI MDI MDI MDII MDII MDIS MD-IS MDK MDL MDL MDL MDL MDLP MDM MDM MDM MDMF MDN MDN MDNS MDNS mdo MDP MDP MDP MDP MDP MDPSK MDQ MDR MDR MDR MDR7 MDRACC MDRAM MDRCODES MDR MDR- MDRDT1 MDRDT2 MDRDT3 MDRDT4 MDRID MDRID

Markup Declaration Close Meridian Digital Centrex Message and Device Controller Meridian Digital Centrex Base Meridian Digital Centrex Data Services Modified Discrete Cosine Transform Message Definition Data Structure Message Departure Element Multi-Processing Development Environment Main Distributing Frame Main Distribution Frame Maintenance Disable Flag Mission Domain Host Manipulation Dependent Interface (IEEE 802) Media Dependent Interface Medium Dependent Interface Message Desk Indicator Mobile Data International Inc. Multiple Document Interface Machine-Detected Interoffice Irregularities Machine-Detected Interoffice Irregularity Mobile Data Intermediate System Mobile Data Intermediate System Multimedia Development Kit Data Link Connection Management Data Link Layer (Layer 2)-Management Entity Interface Management Data Link Mobile Data Link Mobile Data Link Protocol Media Device Manager Memory and Device Module Normal Disconnected Mode Multiple Data Message Format Multiple Access Directory Number Multiple Appearance Directory Number Managed Data Network Services (CEPT) Meridian Data Network Systems Markup Declaration Open Magellan Data Provider Markov Decision Process MFOS Demonstration Program Microsoft Developer Studio Project Workspace file Multicast Dissemination Protocol Modified Differential Phase Shift Keying Message Departure Queue Management Data Router Meeting Details Recording Message Detail Recording CCS7 Message Detail Recording Message Detail Recording Codes Multibank DRAM MDR Codes Message Detail Recording- Customer Premises Message Detail Recording to the Customer's Premises Message Detail Recording Data 1 Message Detail Recording Data 2 Message Detail Recording Data 3 Message Detail Recording Data 4 Message Detail Recording Customer Identification Message Detail Recording Identification

MDRRAO MDR-RAO MDRS M-DRU MDS MDS MDS MDS MDS MDS MDS MDS MDS MDS MDS MDSC MDSE MDSL MDT MDT MDT MDTRS MDU MDU MDU MDU MDU MDV MDW MDW MDX ME ME ME ME ME ME ME ME mE ME ME ME MEA MEA MEA MEANS MEAS MEB MEBO MEC ME-C MECAB MECCA MECG MECL MECO MECOD MED MED

Message Detail Recording to Revenue ing Office Message Detail Recording via Revenue ing Office Message Detail Recording System Multiple DRU Malfunction Detection System Message Delivery Service Message Delivery System Message Desk Service Microprocessor Development System Microsoft Directory Services Microwave Distribution Service Modular Documentation System MTX Data Server Multipoint Distribution Service Multipoint Distribution System Message Distribution Control Message Delivery Service Element Medium-Bit-Rate Digital Subscriber Line Mean Down Time Motor Data Terminal Mountain Daylight Time Mobile Digital Trunked Radio System Magnetic Disk Unit Maximum Data Unit Meridian Data Unit Multi Disk Unit Multiple Dwelling Unit Meridian Display Vehicle Multiline Digital Wireless Multiple Drop Wire Modular Digital Exchange Maintenance Entity Managed Element Management Entity Mapping Element Measurement Entity Memory Access Message Expert Messsage Element Milli Erlangs Mobile Equipment Motion Estimation U.S. postal code for Maine Maintenance Entity Assembly Mismatch of Equipment and Attributes Multi-Element Array Minnesota Equal Access Network Services Inc. Measure Mate Exchange Bus Marine Etc Broadcasting Offences (Act) Memory Echo Canceller Management Entity Control Multiple Exchange Carrier Access Billing Mechanized Evaluation of Call Completion Anomalies Maternal Electro CardioGram Motorola (Inc.) Emitter-Coupled Logic Main Engine CutOff Multiple Exchange Carriers Ordering and Design Management Evaluation and Development Manchester Encoder/Decoder

MED MEDLARS MEE MEEQ MEF MEF MEF MEG MEG MEI MEI MEI MEI MEI MEIF MEL MEL MEL MEL MEM MEM MEMCALC MEMS MEO MEO MEOS MEP MEP MEQ MER MER MERLIN MERP MERR MERS MERT MES MES MES ME-S M-ES M-ES MESFET MES-FET MESH MESH-BN MESH-IBN MESI MESSR MET MET MET MET META METD METER METRAN METRO METSAT MEV

Modular Electronic Device MEDical Literature Analysis and Retrieval System Message Extension Element Message Extension Element Queue Maintenance Entity Function Measurement Function MEssage Field Magneto-EncephaloGraphy Mobile Experts Group Maintenance Event Information MBus to ECORE Interface Mobile Equipment Identity Modified, Exclusive, Invalid Multiple Extension Interworking Management Entity Interface Market Expansion Line Match Enable Latch Material Equipment List MEssage Length Cluster Member Memory Memory Calculation Micro-Electromechanical Systems Medium Earth Orbit Monomorphic Embedded Object Medium Earth Orbit Satellite Member of European Parliament Message Encoding Problems Message Extension Queue Meriline Message Error Rate Multi-Element Radio Link Interferometry Network Multiple-Entry Retrieval Process Multiple Error Most Economical Route Selection Multi-Environment Real Time Manufacturing Execution System Mobile Earth Station Mobile satellite Earth Station Mobile Data End System Mobile End Station Mobile End System Metal Semiconductor Field-Effect Transistor MEtal-Semiconductor (hot carrier ) GaAs-FET MEdical Subjects Headings (Dedicated DB Retrieval Language) MESHed Bonding Network MESHed Isolated Bonding Network Modified, Exclusive, Shared, Invalid Multispectral Electronic Self-Scanning Radiometer Memory Engineering Tool Multi-Button Electronic Set Multi-Emitter Transistor Presentation Manager Metafile Metrics, Tools and Analysis Maximum End-to-End Transit Delay Metering Team Managed European Transmission Network Metropolitan METeorlogical SATellite Mega Electron-Volt

MeV MEX MEXE MF MF MF MF MF MF MF MF MF MF MF MF MFA MFA MFA MFADS MFAQ MFAS MFC MFC MFC MFC MFC MFD MFD MFE MFE MFG MFIR MFJ MFJ MFL MFLD MFLOP MFLOPS MFLOPS MFLR MFM MFM MFO MFO MFOS MFP MFP MFP MFP MFP MFPB MFPC MFPLS MFR MFR MFR MFS MFS MFS MFS

Million Electron Volts Memory Extension Mobile Execution Environment Main Frame Management Function Mandatory Fixed Length Mapping Function Mediation Function Medium Frequencies (300- 3000kHz) Menu Flag Micro-Fiche Micro-Film More Fragments flag Multiframe Multifrequency Management Functional Area Managing For Achievement Modular Front Access Mechanized Force istration Data System Most Frequently Asked Questions Multiframe Alignment Symbol Manufacturer's Code Memory Fault Correctable Microsoft Foundation Classes Multi-Frequency Code Multifrequency Compelled Management Functional Domain Master File Directory Multiple Frame Established Multiple Frame Establishment Manufacturer Code Mate Fault Indication Modification of Final Judgment Modified Final Judgement Message Framework Library Modified FLooDnet (LAN protocol) Million Floating Point Operations Per Second Mega FLoating-Point Operations Per Second Millions of Floating Point Operations Per Second Maximum Frame Length Modified Frequency Modulation Modified Frequency Modulation (magnetic recording) Multifrequency Signaling Originating Multiple Frame Operation Multifunction Operations System Multifrequency Pulsing Multifunction Peripheral Multi-Function Peripheral Multifunction Printer Multi-Function Protector Multifrequency Pushbutton Multiple Function PC Mainframe PLS Manufacturer MF Receiver MultiFrame Macintosh File System Memory File System Metropolitan Fiber Systems MF Sender

MFS MFS MFSK MFSK MFSP MFT MFT MFT MFT MFT MFTP MFU MFV MG MG MGA MGA MGB MGB MGB MGC MGCM MGE MGE MGI MGM MGMT MGMT MGN MGQ MGR MGT MGT MGTS MGU MH MH MH MH MH MH MH MH MHD MHEG MHEG

MultiFrame Sender Multiprotocol Controller Fast Simulator Multilevel Frequency Shift Keying Multiple Frequency Shift Keying Modular Frame Supervisory Manual File Transfer Master File Table Meridian Feature Transparency Metallic Facility(ies) Terminal Multiprogramming with Fixed Number of Tasks Multicast File Transfer Protocol Most Frequently Used Message Format Violation ISO country code for Republic of Madagascar Master Group Matrox Graphics Architecture Monochrome Graphics Adapter Main Ground Bus Maintenance Group Blocking Signal Master Ground Bar Mentor Graphics Corporation Meridian General Cabinet Module ManaGement Entity Message Generation Element Mechanized Generic Interface Multicast Group Management Management Management System Multi-Grounded Neutral Message Generation Queue Manager Master Group Translator Mobile Global Title Message Generator/Traffic Simulator Maintenance Group Unblocking Signal ISO country code for Marshall Islands Manhole Merkle-Hellman Message Handler Message Handling Mobile Host Modified Huffman Multimedia and Hypermedia information Moving Head Disk Multimedia and Hypermedia Experts Group Multimedia and Hypermedia information coding Experts Group (ISO/IE

C) MHF MHF MHIC MHLD MHO MHO MHP MHPROC MHRP MHS MHS MHT MHTML

Message Handling Facilities Mobile Home Function Multiport HDLC Interface Chip Music On Hold Treatment Host Application-Management Entity Interface My Humble Opinion Message-Handling Processor Message Handling Process Mobile Host Routing Protocol Message Handling Service Message Handling System Mean Hold Time Meta-HyperText Markup Language

MHz MHz MI MI MI MI MI MI MI MI MI MI MI MI MI MI/MIC MIA MIA MIAM MI-API MIB MIB MIC MIC MIC MIC MIC MIC MIC MIC MIC MIC MIC MIC MIC MIC MIC MICA MICC MICE MI MICR MICS MICS MICU MID MID MID MID MID MID MID MID MID MID MID MIDA MIDA MIDAS midc

Megahertz MegaHertz Maintenance Initiate Management Interface Mechanized Interface Message Interface Method Identifier Minimum Interference Miscellaneous Item (ETSI) Mode Indicate Mode Indicative Mode Indicator Modem Indicator Multiple Inheritance U.S. postal code for Michigan Mode Indicator/Mode Indicator Common Manual Incoming Allowed Multiple Index Approach Miami Management Interface- Applications Programming Interface Management Information Base Management Information Block Maintenance Interface Card Management Integration Consortium Manufacturer Identity Code Media Interface Connector Media Interface Connector (Fibre-Optic Data Communications) Medium Interface Connector Message Integrity Check Message Integrity Code Message Interface Card MICrocomputer Microwave Integrated Circuit Mobile Interface Controller Mode Indicate Common Mode Indicator Common Modem Interface Card Management of Information as a Corporate Asset Maintenance Information at Customer point Microtek (Inc.) In-Circuit Emulator Mobile Internetworking Control Protocol Magnetic Ink Character Recognition Maintenance Inventory Control System Modular Integrated Communications System Message Interface and Clock Unit Manual Incoming Denied Maritime Identification Digit Mean Interruption Duration Message Identified Message Identifier Metafile for Interactive Documents MIDI Sequence file Mobility Incall Delivery Module Identifier Multiplexing Identification Multiplexing Identifier Message Interchange Distributed Application (ECMA) Multiple Integrated Digital Access (UK) Multitier Distributed Application Services Message Intercept and Dispatch Control

MIDI MIDL MIEE MIEE MIEEE (US) MIEIE ngineers (UK) MIF MIF MIF MIF MIF MIFF MIFR MIG MII MII MIL MIL MIL MIL MIL mil MIL MIL STD MILNET MILS MIL-STD MIM MIM MIM MIM MIM MIM MIM MIMD MIME MIMS MIN Min MIN MIN MIN MIN MINCM MINE MINIT MIO MIP MIP MIP MIP MIPPS MIPS MIPS MIPS MIPS MIR MIR

Musical Instrument Digital Interface Microsoft Interface Definition Language Member of Institution of Electrical Engineers (UK) Member of the Institute of Electrical Engineers Member of Institute of Electrical and Electronics Engineers, Inc. Member of Institution of Electronics and Electrical Incorporated E Machine-to-Machine Interface Format Maintenance Interface Maker Interchange Format Management Information File Management Information Format Machine Independent File Format Master International Frequency Metal-In-Gap Media-Independent Interface Mobile Information Infrastructure 1/1000 of an Inch (0,0254 millimetres) Maintenance Interface Layer Management Information Library Military MILitary (quality standard) Military groups domain Military Standard Military Standard Military Network Missile Impact Location System Military Standard Management Information Message Management Information Model Management Inhibiting Messages Man-in-the-Middle Metal Insulator Metal Modifier Information Manager Module Information Memory Multiple Instruction Multiple Data Multipurpose Internet Mail Extensions Messaging, Information, and Media Sector Minimum Minor Mobile Identification Number Mobile Identity Number Multiple Interaction Negotiation service element (OSI/VT) Multistage Interconnection Network Management Intelligent Network Conceptual Model Microbial Information Network for Europe Minimum Interference Threshold Multistationary Inclined Orbits Maintenance in Progress Maintenance Interface Protocol MCI ISN (Intelligent Services Network) Platform Mobile IP Micro Integrated Project Planning System Management Information Protocol Specification Mega Instructions Per Second Microprocessor Without Interlocking Pipe Stages Millions of Instructions Per Second Management Information Repository Maximum Information Rate

MIR MIRS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MISC MISD MISD MISD MISFET MISM MIS-MLHG MISSI MIT MIT MITE MITI MITI MITS MIU MIU MIU MIU MIX MIXER MJ MJD MJPEG MJU MK MK MKR MKR MKS MKS MKV ML ML ML ML ML ML ML ML ML ML ML MLA MLA MLA MLA MLAMP MLAP

Microinstruction Motorola Integrated Radio System Machine Instruction Set Management Information Services Management Information System(s) May I Send Mechanized Interface Specification Metal Insulator Silicon (IC Technology) Microcode Instruction Sequencer Miscellaneous Miscellaneous Equipment Frame Multimedia Information Service Miscellaneous Management Information Service Definition Multiple Instructions Single Data Multiple-Instruction Single-Data Metal, Insulator, Semiconductor Field-Effect Transistor Mismatch Management Information System for Multiline Hunt Group Multi-Level Information Systems Security Initiative Management Information Tree Massachusetts Institute of Technology (USA) Modem Interface to Ethernet Massachusetts Information Turnpike Initiative Ministry of International Trade and Industry (US) Macintosh ISDN Terminal Simulator Maintenance Interface Unit Memory Interface Unit Mimimum Investment Unit Multistation Interface Unit Modem Interface to Xlbus ASIC MIME Internet X.400 Enhanced Relay Major Modified Julian Date Motion JPEG Multipoint Junction Unit ISO country code for Macedonia (former Yugoslav Republic of) Mouse Key Marker MarKeR-beacon Metre, Kilogram, Second (system of measurement) Mortice Kern Systems MasterKey Vector ISO country code for Republic of Mali Machine Language Maintenance Limit Managed Links (GNS-BT) Matching Loss Maximum Latency Maximum Length Maximum Likelihood Message Length Message Link MetaLanguage Microprocessor Language Assembler Microwave Link Analyser Modern Language Association Multiline Addressing MADN Lamp MAC Level Access Protocol

MLAP MLB MLB MLC MLC MLC MLC MLCS MLD MLD MLDA MLE MLE MLE MLE MLF MLG MLH MLHG MLHG-I MLI MLI MLI MLID MLIPS MLL MLLE MLM MLM MLMR MLNR MLOC MLP MLP MLP MLP MLP MLP MLPP MLPPP ML-PPP MLQ MLR MLR MLRD MLS MLS MLS MLS MLS MLS MLS MLS MLSD MLSE MLSE MLSE MLSO MLT MLT

Metallic Line Access Port Multilayer Board Multi-Line Business MPC, Link, and Conversation Number Multi-Layer Ceramic (Capacitor) Multi-Line Card Multilink Control Field MegaLink Channel Procedure Mean Logistic Delay Median Lethal Dose Multiple Listing Directory Assistance Medium Local Exchange Message-List Editing Microprocessor Language Editor Mobile Link Entity (TETRA) Management Leadership Forum Multiline Group Multiline Hunt(ing) Multiline Hunt Group ISDN Multiline Hunt Group Message Link Interface MultiLeaving Interface Multilink Irregularity Multiple Link Interface Driver Mega Logical Inferences Per Second Mode-Locked Laser Medium Large Local Exchange Multi-Level Metal Multi-Longitudinal Mode Maximum Likelihood Multi Receiver Motorola Lab Non Res Multiple Locations Resource Finder Multi-Layer Perception Multilayer Protocol Multilink Procedure(s) Multiple License Pack Multiple Line Printing Multiple Link Procedure Multi-Level Precedence and Preemption Multilink PPP Multilink Point-to-Point Protocol Message Length Qualifier Mechanized Line Record Multiple Line Reading Modified Long Route Design Microwave Landing System (Avionics) Modulated Light Source Multilayer Switching Multilevel Secure Multilevel Security Multiline Selection Multilingual Listing Services Multiple Listing Service Maximum Likelihood Sequence Detection Maintenance Loop Signalling Entity Maximum Likelihood Sequence Estimation Maximum Likelihood Sequence Estimator Mode-Locked Surface-Acousticwave Oscillator Mechanized Line Testing Mechanized Loop Test

MLT MLT MLT M-LT MLTERM MLTERM MLTERMTYP MLTS MLTS MLU MLV MLVP MM MM MM MM MM MM MM MM MM MM MM MM MM mm mm MM MM MM MM Mm MM MM MM MMA MMA MMAB MMB MMB MMBN MMBS MMC MMC MMC MMC MMC MMC MMC MMC MMC MMC MMCD MMCF MMCS MMCX MMCX MMD MMDS MMDS

Mechanized Loop Tester Mechanized Loop Testing Median Lethal Time Metropolitan area network-Line Termination Multiline Hunt Group Terminal Multiline Hunt Group Terminal Number Multiline Hunt Group Terminal Type Microlevel Test Set Multiline Telephone Set Multi Line Unit Marne La Vallee Multiline Variety Package DDOC Section: Man-Machine Interface ISO country code for Myanmar Man Machine Man-Month MannMonate Mapping Mode Mate Manager Meet Me Meeting Minutes Meetingless Meeting Memory Manager Message Mode Messaging Manager Millimeter(s) millimetre Mismatch Mixed Mode Mobility Management Mobility Manager Modem Multi Mode (Fibre Optics) Multimedia Multimode MIDI Manufacturers Association Multiple Message Alerting Multimedia Applications Base Man Made Busy Middle Mouse Button Multimedia Broadband Network MultiMedia Base Station Man-Machine Communication Meet-Me Conference Meet-Me Conference (supplementary service) Microsoft Management Console Microwave/Millimeterwave Components Mobile Multimedia Communications Monolithic Multicomponents Ceramic Monopolies and Mergers Commission Multimedia Collaboration Multimedia Multiparty Conferencing Multimedia Compact Disc Multimedia Communications Forum Multimedia Carrier Switch Multimedia Call Exchange MultiMedia Communications Exchange Multimedia Microwave Multipoint Distribution System Multichannel Microwave Distribution Service

MMDS MMDS MMDS MME MME MMEI MMES MMF MMF MMF MMF MMFS MMG MMgr MMH MMI MMI MMI MMIC MMIC MMIO MML MML MML MMM MMM MMM MMN MMO MMP MMP MMP MMP MMP MMPM MMPM/2 MMPP MMPT MMR MMRL MMRM MMS MMS MMS MMS MMS MMS MMS MMS MMS MMS MMS 43 MMS43 MMSE MMSL MMSRK MMSS MMSU MMTA MMTF

Multichannel Multipoint Distribution Service Multichannel Multipoint Distribution System Multichannel, Multipoint Distribution System Mobile Management Entity Multi-Modal Estimation Management to Managed Element Interface Maritime Mobile Earth Station Magneto-Motive Force Microsoft Mail File MSS Management Function Multimode Fiber Manufacturing Messaging Format Standard (MAP) Motorola Multimedia Group Messaging Manager Maintenance Man-Hours Machine-to-Machine Interface Man-Machine Interaction (interface) Man-Machine Interface Monolithic Microwave Integrated Circuit Monolithic Millimeter-wave IC Multimedia I/O Maker Markup Language Man-Machine Language Multimedia Module Library Multi Media Multiplexer Multimedia Mail Multiunit Network Management and Maintenance message Multimedia Network Mobile Module Maintenance Modem Pool Memory Management Process Mobility Management Protocol Module Message Processor Multichassis Multilink PPP Multimedia Presentation Manager Multimedia Presentation Manager/2 Markov Modulated Poisson Process Mismatch Path Trace Modified Modified Reed Multimedia Resource Layer Multimedia Resource Manager Manufacturing Message Service/Specification Manufacturing Message Services (EWOS) Manufacturing Message Specification Manufacturing Messaging Service (MAP) Message Management Service Message Management Subsystem Mini-Micro Systems (periodical) MMCS Management System Modified Monitoring State Module Management System Modified Monitoring State 4B/3T Modified Monitoring State 4B/3T Minimum-Mean-Squared Error Mismatch Signal Label Mismatch Between Sent and Received K-Bytes Maritime Mobile Satellite Service Modular Metallic Services Unit Multimedia Telecommunications Association Mobile Management Task Force

MMTS MM-TSC MMU MMU MMU MMUI MMUM MMUSR MMVF MMVI MMW MMX MN MN MN MN MN MN MN MNA MNAC MNAS MNC MNC MNC MNCC MNCL MNIC M-NIU MNL MNL MNLP MNOS MNP MNP MNP MNP MNP MNRP MNRU MNS MNT M-NT MO MO MO MO MO MO MO MO MO MO EOC MO&O MOA MOA MOA MOA MOB MOB

Manual Mobile Telephone System Messaging Management Technical Subcommittee Memory Management Unit Metered Message Unit Multi-Message Unit Multi Media Interface Miscellaneous Multiunit Message MMU Status Multimedia Video File Multimedia Voice Interface Millimeterwave Microwave Multimedia Extensions ISO country code for Mongolian People's Republic (Mongolia) Matched Node Metropolitan Area Network Node Microwave Network Minor Mobile Node U.S. postal code for Minnesota Multiple Network Appearance Message Network Access Code Multinetwork Access Services Meridian Network Control Mobile Network Code Multiplicative Noise Compensator Meridian Network Control Centre Maintenance NCL Mobile Network Identification Code Multiple Dwelling Network Interface Unit Maintenance Noise Limit Network Layer (Layer 3)-Management Entity Interface Mobile Network Location Protocol Metal-Nitride-Oxide Semiconductor Microcom (Inc.) Network Protocol Microcom Networking Protocol Microcomputer Networking Protocol Multicontrol Networking Platform Multi-Network Protocol Mobile Network Registration Protocol Modulated Noise Reference Unit Managed Network Solutions Maintenance Metropolitan area Network-Network Termination ISO country code for Macau Magneto-Optical Managed Object Master Oscillator Message Object Message Objectizer Message-Oriented Mobile Originated U.S. postal code for Missouri Message-Oriented Embedded Operations Channel Memorandum Opinion and Order Managed Object Agent Manager of Object Adapters Manual Outgoing Allowed Mobitex Operators Association Memory-Order Buffer Mobile

Mobitex MOC MOC MOC MOC MOC MOC MOCROM MOCS MOCVD MOD MOD MOD MOD MOD MOD MOD MOD MOD MOD MODEL MODEM MODFET MODWB MOF MOF MOH MOHSOURCE MOL MOL MOM MoM MOM MOM MOM MOMA MON MON MONA MONET MONET MOO MOOS MOOS MOOSE MOP MOP MOP MOP MOPA MOPS MOPS MOPS MOPT MOR MOS MOS MOS MOS MOS

Swedish mobile data standard Maintenance and Operations Console Managed Object Classe(s) Ministry of Communications Mobile Originating Call Mobile-Originated Call Multiproduct Operations Controller MicrO-Coded Read-Only Memory Managed Object Conformance Statement Metal Organic Chemical Vapor Deposition (GaAs VHSIC Process) Magnetic Optical Disk Manual Outgoing Denied Ministry Of Defence (UK) Modem Modify MODulator Module Modulo Modulus Movies On Demand manufactures cordless portable part model identity code MOdulator/DEModulator MOdulation-Doped Field-Effect Transistor Module Designers Workbench Managed Object Format Maximum Observed Frequency Music On Hold Music On Hold Source Maximum Output Level Microsoft Open License Maintenance and Operations Manual Manager of Managers Message-Oriented Middleware Microsoft Office Manager Mini Object Manager Message-Oriented Middleware Association Monitor MONitor Meridian Off-Net Access Mobile Networks Multiwavelength Optical Network MUD Object-Oriented Maintenance Out-of-Service Manual Out-of-Service Metrics for Object-Oriented Software Engineering Mailbox Observer Proxy Maintenance Observer Proxy Maintenance Operation(s) Protocol Method of Procedure Master Oscillator Power Amplifier Management Operations per Second Mega (Million) Operations Per Second Mega Operations Per Second Mean One-Way Propagation Time Multi-Wavelength Optical Repeater Maintenance Out-of-Service Manager-Operator Services Mean Opinion Score Metal-Oxide Semiconductor Model Output Statistics

MOS MOSFET MOS-FET MOSI MOSPF MOSPF M-OSPF MOSS MOST MOSY MOSY MOT MOT MOTD MOTIS MOTIS MOTIS MOU MOU MOV MOV MOVCC MOVPE MOX MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP MP/M MP+ MP3 MPA MPa

Mux Out-of-Sync Metal-Oxide Semiconductor Field-Effect Transistor Metal Oxide Semiconductor Field-Effect Transistor Master Out / Slave In Multicast Extensions for OSPF Multicast Open Shortest Path First Multicast Extensions for OSPF MIME Object Security Service(s) Metamorphosis of Service Agent Team Managed Object Syntax Yacc-based (4BSD/ISODE SNMP) Managed Object Syntax-Compiler (YACC-Based) Managed Object Under Test Means of Testing Message of the Day Message Oriented Text Interchange System (MHS/ISO) Message-Oriented Text Interchange System MOS Timing Simulator Memorandum of Understanding Minutes of Use Metal-Oxide Varistor (VDR) Move Instruction Multi Open Via Chip Carrier (VLSI Package) Metal Organic Vapor Phase Epitaxy Multiple Over/Underlay Extension ISO country code for Northern Mariana Islands Machine Processable Machine Processable Form Machine-Processible Main Processor Management Platform Management Process Managing Process Master Position Master Processor Math Present Measuring Point Memory Protect Metallised Paper Micro-Processor Modem Pool Modulation de Phase Modulation Parameter Module Processor Monitor Coprocessor Multilink Point-to-Point Protocol Multilink PPP Multilink Protocol Multiparty Multipoint Multipoint Processor Multiprocessing Multiprocessor MultiProgramming Multipurpose Multipurpose Position MultiProgramming /M Multilink Protocol Plus MPEG-2 audio stream layer-3 compression Magellan port Access MegaPascal

MPA MPA MPA MPAC MPB MPBAC MPBT MPC MPC MPC MPC MPC MPC MPC MPC MPC MPC MPC MPC MPC MPC MPCC MPCM MPCNET MPD MPD MPD MPD MPD MPD MPD MPDA MPDC MPDRAM MPDU MPE MPE MPE ng System) MPE MPEC MPEG MPEG MPEG MPEG MPEG MPEG-1 MPEG-2 MPEG-3 MPEG-4 MPE-LPC MP-EOC MPER MPF MPF MPG MPG MPG MPG-Net MPH

Modular Power Adapter Modulating Power Amplifier Multi-PTN Attendant (supplementary service) Multichannel PAC Multi-Party Bridging Multiple Port Bus Access Circuit Modem Pool Busy Time Maintenance Process Control Maintenance Processing Control Message Protocol Card Message Protocol Circuit Message-ing Coprocessor (Multibus 2) MPOA Client Multi Purpose Controller Multimedia Personal Computer Multimedia Planning and Coordination (ETSI STC) Multiparty RTP Transport Connection Multiple Protocol Capability MultiProCessing Multi-Protocol Client Multiprotocol Controller MultiProtocol Communications Controller Multi-Part Class Manager Multi-Protocol Controller Network Maximum Permissible Dose Message Processing and Dispatch Message Processing and Dispatching Midnights ed Digit Miniport Driver Model-Pane-Dispatcher Multiple Path Detector Meridian Programmable Data Adapter Meridian Power Distribution Center Multiport DRAM Message Protocol Data Unit Maximum Permissible Exposure Multi-Point Extension (IEEE 802.3) Multi-Programming Executive (Hewlett Packard Inc. Computer Operati Multiprotocol Encapsulation MultiPulse Excited Coding ISO/IEC Moving Pictures Experts Group Motion Pictures Experts Group Motion/Moving Picture Experts Group Moving Picture Experts Group Moving Pictures Experts Group Motion Picture Experts Group 1 Motion Picture Experts Group 2 Motion Picture Experts Group 3 Motion Picture Experts Group 4 Multipulse Excited Linear Predictive Coding Multipoint Embedded Operations Channel Maintenance Procedural Error Rate Mapping Field Multiprocessing Features Managing Personal Growth MPEG File Multiplayer Games Multi-Players Games Network (mobile) Management (entity)- PHysical (layer) [primitive]

MPH MPH MPH MPH MPH MPHMPHT MPI MPI MPI MPK MPK MPL MPLC MPLH MPLPC MP-LPC MPLS MPM MPML MP-MLQ MPNS MPOA MPOL MPP MPP MPP MPP MPP MPP mp-p MPPC MPQ MPR MPR MPR MPR MPR MPR MPR MPROM MPRT MPRT MPS MPS MPS MPS MPS MPS MPS MPS MPS MPS MPS MPS MPSC MPSK MPSP MPSR MPSR

Miles Per Hour Multi-Physical Multiple Position Hunt Multi-Position Hunt Physical Layer (Layer 1)-Management Entity Interface communication between Management and Data Link layer Modem Pool Holding Time Message ing Interface Minimum Picture Interval Multiple Protocol Interface Mission Park Multiprocessing Kernel Multischedule Private Line Modem Pool Line Card Multiple Port Link Handler Multipulse Linear Predictive Coding Multipulse Linear Predictive Coding Multiprotocol Label Switching Master Processor Memory Meta-Phone Markup Language Multipulse Excitation with a Maximum Likelihood Quantizer Managed Private Network Service (GNS-BT) Multiprotocol Over ATM Multi-Protocol Over LANs Massively Parallel Processing Massively Parallel Processor Message Posting Protocol Microsoft Project file Multichannel Point-to-Point Protocol Multilink Point-to-Point Protocol Multipoint-to-Point Microsoft Point-To-Point Compression Multi-Processor Queue (Swedish national board for measurement and testing) Misdialed Trunk Prefix message Modular Power Rectifier Multi Protocol Router Multiple Provider Router Multiprotocol Router Multi-Purpose Riser Mechanized Power Room Operations Monitor Master Primary Reference Terminal Modem Pool Reservation Time Maximum Packet Size MDII: Address Signaling Error- Misplaced Start Medium Power Satellite (...250 Watt) MicroProceSsor Minimal Part Set Model/Policy Split Modular Power Shelf MPOA Server Multi-Page Signal Multiple Priority System Multipriority System Multi-Processor Specification Multi Protocol Serial Controller Multiple Phase Shift Keying Marketing/Product Strategic Plan Mechanical Product Status Review Multipath Self-Routing

MPT MPT MPT MPT MPT MPT 1327 MPT1 MPTM MPTN MPTS MPTY MPTy MPTY MPU MPU MPU MPV MPVCB MPWD MPX MPX MPX MPXC MPX-IWS MPyT MPyTM MQ MQ MQA MQFP MQI MQI MQW MQW MQW MR MR MR MR MR MR MR MR MR MR MR MR MR MR MR MR MR MRA MRA MRA MRB MRBLR MRC MRC MRCA

Ministry of Post and Telegraph Ministry of Posts and Telecommunications Multiple PIN Table Multipoint to Point Tree Multiport Protocol Tester UK Trunked Radio Standard Measurement Point Multi-Party Test Method Multiprotocol Transport Networking Multi-Protocol Transport Services Multiparty Multiparty Multi-ParTY (supplementary service) Main Processing Unit MicroProcessor Unit Micro-Processor Unit Message Protocol Version Multipoint Video Conference Bridge Machine-Prepared Wiring Data Composite Demodulated Stereo Multiplex (Signal) multiplex Multipurpose Extended Multipoint Cross-Connection Multipurpose Extended Intelligent Workstation Multi-Party Testing Multi-Party Testing Methodology ISO country code for Martinique Message Queuing Multiple Queue Assignment Metric Quad Flat Pack Managed Queueing Interface Message Queue Interface Multi Quantum Well (Laser Diodes) Multiple Quantum Well Multi-Quantum Well ISO country code for Islamic Republic of Mauritania Magnetic Resonance Magnetoresistive Magneto-Resistive Mandatory Requirement Manual Request Measured Rate Meeting Room Message Rate Message Receiver Message Message Router Microid Research Mobile Router Modification Request Modified READ (Relative Element Address Designate) Multicast Router Message Rate Area Multirate Area Mutually Restricted Access Management Request Broker Maximum Receive Buffer Length Maximal Ratio Combining Monthly Recurring Charge Most Recent Common Ancestor

MRCC MRCF MRCI MRCS MRD MRD MRD MRD MRD MRDF MRDX MREG MREL MRF MRF MRF MRFF MRFM MRG MRI MRI MRI MRJ MRL M-RLCM MRLE MRLM MRM MRM MRM MRM Mrm MRN MRP MRP MRQ MRRC MRRU MRS MRS MRS MRS MRS MRS MRSA MRSE MRSE MRSE MRSG MRT MRT MRT MRT MRT MRT MRTD MRTD MRTIE MRTO MRTR

Maritime Rescue Coordination Centre Microsoft Real-Time Compression Format Microsoft Real-Time Compression Interface Meeting Reservation and Control System Manual Ring Down Master Recognition Database Message Rate Detailed Message Retrieval Display Modified Resistance Design Machine-Readable Data Files Multiple Rate Digital Switch Message MADN Release MADN Ring Forward Maintenance Restart Function Message-Refusal signal Master Reference Frequency Frame MADN Ring Forward Manual Modification Request in Generic Machine-Readable Imaging (Medical) Magnetic Resonance Imaging Microtec Research Inc. Mac OS Runtime for Java Match Recognition Latch Mini-Remote Line Concentrating Module Match Recognition Latch Enable Mate Remote Line Module Message Receiver Manager Message Resource Monitor Most Recently used Master Motif Resource Manager Motif Resource Manager Mobile Routing Number Materials and Resource Planning (MAP) Mouth Reference Point automatic Repeat reQuest with Memory Mobile Radio Resource Control Maximum Reconstructed Receive Unit Magneto-Resistive Sensor Maintainable Resource Surrogate Message Rate Service Mobile Radio Stack (TETRA) Mobile Radio System Module Resident Software Message Rate Serving Area Message Retrieval Service Element Microwave Remote Sensing Experiment Mode Request Signalling Entity Mobile Radio Study Group Magnetic Resonance Tomography Mean Repair Time Medical Response Team Message Rate Timed Message Routing Table Model Reference Testing Maximum Resolvable Temperature Difference (Thermometry) Message Rate Timed/Detailed Maximum Relative Time Interval Error Memory Reference Time Out Mobile Radio Transmit Receive

MRTT MRU MRU MRU MRU MRUA MRV MRVA MRVR MRVT MRVT MRX MS MS MS MS MS MS MS MS MS MS MS MS MS MS MS MS MS MS ms ms MS MS MS MS MS MS MS MS MS MS MS6E MS7E MSA MSA MSA MSA MSA MSA MSA MSAA MSAC MSACM MS-AIS MSAL MSAL MSAP MSAP MSAP

Mobile Radio Training Trust Maximimum Receive Unit Media Resource Unit Modular Recording Unit Most Recently Used Mobile Radio s Association MTP Routing Verification MTP Routing Verification Acknowledgement MTP Routing Verification Result MTP Routeing Verification Test MTP Routing Verification Test Message Routing Exchange (DECnet) ISO country code for Montserrat Main Station Management Server Management Service(s) Management System Master Station Master-Slave Measured Service Measurement Signal Media Sensor Memory System Message Service(s) Message Store Message Switch Message Switching Message System Microsoft MicroSoft millisecond Millisecond(s) Mission Slice Mobile Service Mobile Station Mobile Subscriber Mode Sifter Mode Sifting Most Significant Multiplex Session Multiplexer Section U.S. postal code for Mississippi Message Switching 6 Equipment Message Switching 7 Equipment Message Status Area Message System Agent Metropolitan Service Area Metropolitan Serving Area Metropolitan Statistical Area Mobile Serving Area Multiplex Section Adaptation Microsoft Active Accessibility Meridian Services Attendant Console Microsoft Audio Compression Manager Multiplex Section AIS Media Services Access Layer Multimedia Service Access Layer MAC Service Access Point Medium Access Control Service Access Point Mini-Slotted Alternating Priority

MSAP MSAP MSAT MSAU MSB MSB MSB MSB MSB MSB MSB6 MSB6 MSB7 MSB7 MSBI MSBL MSBLN MSBVW MSC MSC MSC msc MSC MSC MSC MSC MSC MSC MSC MSC MSC MSC MSC MSC MSCDEX MSC-H MSCM MS MS MS MSCS MSCU MSCU MSC-V MSD MSD MSD MSD MSD MSDC MSDEV MSDL MSDL MSDN MS-DOS MS-DOS MSDRA MSDSE MSDSE MSDSE

Mobile Services Application Part Multi-Services Application Platform Mobile Satellite Multistation Access Unit Make Set Busy Message Switch and Buffer Most Significant Bit Most Significant Bit Most Significant Byte Most-Significant Bit (byte) CCS6 Message Switch and Buffer Message Switch and Buffer 6 CCS7 Message Switch and Buffer Message Switch and Buffer 7 Make Set Busy Intragroup MLHG Special Billing MLHG Special Billing Number Magnetostatic Backward Volume Wave Main Switching Centre Maintenance Service Charge Management Service Component Marked Section Close Message Sequence Chart Message Switch (Central) Message Switching Center Message Switching Concentration Microsoft C Mobile Services Switching Center Mobile Switching Center Mobile Switching Centre Modem Shelf Controller Most Significant Character Mouse Systems Corporation Multislot Cell Microsoft CD-ROM Extension Home MSC Mobile Station Class Mark Mass Storage Control Protocol Mean Spherical Candle Power Mobile Service Control Point Microsoft Clustering Server Message Switch Control Unit Mobile Station Control Unit Visited MSC Mass Storage Device Microsoft Diagnostics Modifier Service Directory Most Significant Digit Multi Standard Decoder (Television) Message Sending Control Microsoft Developer Studio Microsoft Service Multi-Purpose Serial Data Link Microsoft Developer Network Micro-Soft (Inc.) Disk Operating System Microsoft Disk Operating System Master-Slave Dynamic Rate Access Maritime Satellite Data Switching Exchange Master Slave Determination Signalling Entity Mobile Satellite Data Switching Exchange

MSDT MSDTP MSE MSE msec MSED MSEE MSF MSF MSF MSF MS-FERF MSFM MSFT MSFVW MSG MSG MSG MSGB MSGCH MSGS MSH MSH MSI MSI MSI MS-I MSID MSIE MSIN MSIN MSIP MSIR MSISDN MSISDN MSISDN MSISDN

Multi-Services Distant Terminal Message Services Data Transmission Protocol Maintenance Sub-Entity Mean Squared Error Millisecond Minimum Signal Element Duration Master of Science and Electronic Engineering Message Store and Forward Mobile Serving Function Mobile Storage Function Multiscan Function Multiplex Section FERF Multistandard Fast Modem Municipal, State, and Federal Tax Magnetostatic Forward Volume Wave Management Steering Group Message MeSsaGe Monitoring Service of Great Britain Message Channel Message Switch Most Significant Half Word Multi-Service Hub Manufacturer Specific Information Medium-Scale Integration Mobile Subscriber Identity (TETRA) ISDN Message Service(s) Mobile Station Identity Microsoft Internet Explorer Mobile Station Identification Number Mobile Subscriber Identity Number Maintenance System Interaction Protocol Minimum Signal-to-Noise Interference Ratio Mobile Station International ISDN Number Mobile Station ISDN Number Mobile Subscriber ISDN Number Mobile SUbscriber Intergrated Services Digital Network (Mobile GSM

MSJ MSJ MSK MSK MSL MSL MSL MSL MSL MSL MSL MSL-1 MSLS msm MSM MSM MSMC MSMQ MSN MSN MSN MSN

Microsoft Systems Journal The Main Street Journal Minimum Shift Keying Minimum Shift Keying (direct phase shifting of laser diode) Manual Stocklist Maximum Segment Lifetime Mean-Squared Loss Meridian SL-100 Meridian Stored Logic Microsoft Software Library Module Structure List Meridian SL-1 Most Significant-Least Significant Market Segment Manager Memory/Space/Memory Microwave Switching-Matrix Media Stimulated Mass Calling Microsoft Message Queue Meridian SuperNode Meridian Switched Network Message Sequence Number Message Switch Network

)

MSN MSN MSN MSN MSN MSN MSN MSNDS MS-NET MSNF MSNF MSO MSO MSO MSOH MSP MSP MSP MSP MSP MSP MSP MSP MSP MSP MSP MSP MSP MSP MSP MSP MSPP MSPS MSPU MSQ MSQS MSR MSR MSR MSR MSR MSR MSR MSR MSR MSRID MSRN MSRP MSRS MSRT MSS MSS MSS MSS MSS MSS MSS MSS MSS MSS

Mobile Subscriber Number Mobility Network Most Significant Nibble Multiple Subscriber Number Multiple Subscriber Number (supplementary service) Multi-Service Network The Microsoft Network Microsoft NDS Microsoft Networks Multiple-system Network ? Multi-System Networking Facility Management Object Multiple Service(s) Operator Multiple System Operator Multiplex Section Overhead Maintenance Service Provider Management Service Provider Master Service Processor Master Stack Pointer Message Security Protocol Message Switch Processor Microsoft Paint Microsoft Solution Provider Modifier Service Participant Modular Supervisory Multichassis Synchronization Protocol Multiplex Section Protection Multiplex Shared Protection Multiserver Processor Multi-Service(s) Platform Multi-Tech Supervisory Protocol Message Switch Peripheral Processor Mega Samples Per Second Message Switch Peripheral Unit Mean Square Multistage Queue Status Machine State Management System Review Message Send and Receive Message Storage and Retrieval Microsoft Research Mobile Service Region Mobile Serving Region Mobile Router Modular Square Root Message Storage and Retrieval System Identification Mobile Station Roaming Number Manufacturer's Suggested Retail Price Message Storage and Retrieval System Message Switch Routing Maintenance Spare Storage MAN Switching System Maritime Satellite System Mass Storage Subsystem Mass-Storage System Maximum Segment Size Member of Scientific Staff Metropolitan area network Switching System Mobile Satellite Service Mobile Satellite System

MSS MSS MSS MSS MSS MSSC MSSC MSSE MSSF MSSI MSSI MS-SPRING MSSW MST MST MST MST MST MST MST MST MSTCM MSTE MSTP MSTR MSTV MSU MSU MSU MSU MSU MSU MSU MSU MSU MSUX MSV MSV MSV MSVC MSVC MSVC MSVC++ MSVCI MSVI MSW MSW MSW mswm MSX MSX MSYNC MT MT MT MT MT MT MT MT

Mobile Station Multimedia System Services Multiple SMP Multiprotocol Switched Services Multi-Spectral Scanner Message Switch Simplex Cabinet Mobile Satellite Switching Centre Message Submission Service Element Mate Scanner Stop Failure Mid-Span Spectral Inversion Mid-System Spectral Inversion Multiplexer Section Shared Protection Ring Magnetostatic Surface Wave Maintenance State Table Marconi Systems Technology Message Sequence Thread Minimum Spanning Tree Mountain Standard Time Multiple Service Terminal (RACE) Multiplex Section Termination Multi-Service Terminal Multiple Store Types Class Manager Multiplex Section Terminating Equipment Multiple Spanning Tree Protocol Maximum Sustained Transmission Rate Maximum Service Television Maintenance Signal Unit Management Signal Unit Message Service Unit (NetView) Message Signal Unit Metallic Services Unit Mobile Subscriber Unit Multiblock Synchronization Unit Multiple Signal Unit Multipoint Signaling Unit Mass-Storage Unit specifier Major Software Vendor MTX Service Code Dialing Multiple Speed Variant Meta-Signaling Virtual Channel Microsoft Visual C++ MTX Service Microsoft Visual C++ Metasignaling Virtual Channel Identifier Metasignalling Virtual Channel Identifier Machine Status Word Microsoft Windows Most Significant Word Microsoft Windows Windows Manager MicroSoft (Inc.) eXtended basic Mobile Services Exchange Master Synchronization ISO country code for Republic of Malta Machine Translation Magnetic Tape Maintenance Management Tool Measured Time Mechanical Transfer Message Transfer

MT MT MT MT MT MT MT MT (0,1,2) MT&T MTA MTA MTA MTA MTA MTA MTA MTA MTA MTAC MTAE MTAE MTAE MTAR MTAS MTAU MTB MTBB MTBCF MTBCF MTBD MTBDL MTBE MTBF MTBF MTBI MTBO MTBO MTBP MTBSO MTC MTC MTC MTC MTC MTC MTC MTC MTC MTC MTC MTC MTCB MTCE MTCELIMD MTCK MTCNF MT MTCSI MTCT MTCXO

Message Type Mobile Terminal Mobile Terminated Mobile Termination MultiThread Multi-Threaded U.S. postal code for Montana Mobile Termination Maritime Telegraph and Telephone Company Mail Transfer Agent Mail Transport Agent Maintenance Set Allowed Major Trading Area Message Transfer Agent Message Transport Address Message Transport Agent Metallic Test Access Multimedia Terminals and Applications Mathematical Tables and other Aids to Computation Message Transfer Agent Entity Metallic Test Access Equipment Multi Terminal ASCII Emulator (IBM) Multiple Terminal Address Registration Maintenance Trunk Access System Metallic Test Access Unit Metallic Test Bus Mean Time Between Breakdowns Mean Time Between Component Failures Mean Time Between Critical Failures Mean Time Between Degradations Mean Time Before Data Loss Mean Time Between Errors Mean Time Between Failures Mean Time Between Faults Mean Time Between Interruptions Mean Time Between Outages Mean Time Between Overhauls Mean Time Between Pointers Mean Time Between Service Outages Magnetic Tape Cartridge Magnetic Tape Center Magnetic Tape Controller Main Transit Center Maintenance Maintenance Task Maintenance, Timing, and Control Master Test Component Matrix-to-Cross-Thread Index Mini Test Cycle Mobile Terminating Call Mobile-Terminated Call Maintenance Base Maintenance Maintenance Limited Maintenance Check Meet Me Conference Circuits Mobile Transmission Control Protocol Maintenance Software Interface Multi-Test Case Table Mathematically Temperature-Controlled Crystal Oscillator

MTD MTD MTD MTD MTE MTE MTE MTEX MTF MTF MTF MTG MTG MTI MTIE MTL MTL MTL MTL MTM MTM MTM MTM MTM MTM MTMP MTN MTNJ MTNN MTO MTOPS MTP MTP MTP MTP MTP MTP MTP MTP2 MTR MTR MTRP MTRS MTS MTS MTS MTS MTS MTS MTS MTS MTS MTS MTS MTS MTS MTS MTS MTS MTS

Magnetic Tape Drive Maintenance Set Denied MDII: Address Signaling Error- Mutilated Digit Memory Technology Driver Meridian Terminal Emulation Metallic Test Equipment Module Test Equipment Multi-Tasking Executive Master Trouble File Microsoft Tape Format Modulation Transfer Function Main Traffic Group Multi-Tasking Graphics Moving Target Indicator (radar) Maximum Time Interval Error Message Transfer Layer Message Transfer Layer (X.400) Montreal Multichannel Telecommunications Link Maintenance Trunk Module Milestone Task Manager Miscellaneous Trunk Module Mobile-To-Mobile Mobile-To-Mobile (call) Module Test and Maintenance Magnetic Tape Maintenance Package Mega Transport Network Morristown, New Jersey Multi-Telecommunications-Network Navigation Multitraffic Office Million Theoretical Operations Per Second Magnetic Tape Processor Master Time Plan Message Transfer Part Message Transfer Part (of ITU-T Signalling System No. 7) Mobile Transport Multicast Transport Protocol Multimedia Transport Protocol Message Transfer Part 2 Mean Time to Repair Metering Magnetic Tape Read and Print Program Message Transport and Routing Service Manitoba Telephone Services Manitoba Telephone System Mechanized Translations System Member of Technical Staff Message Telecommunications Service Message Telephone Service Message Transfer Service Message Transfer Service (X.400) Message Transfer System Message Transmission Subsystem Message Transport System Methods for Testing and Specification Methods for Testing and Specification (ETSI TC, former ATM) Michigan Terminal System Microsoft Transaction Server Mobile Telephone Service Multichannel Television Sound

MTSE MTSE MTSO MTSO MTSP MTSR MTT MTT MTTD MTTF MTTF MTTFF MTTR MTTR MTTS MTTSR MTTY MTU MTU MTU MTU MTU MTU MTU MTU MTU MTU MTU MTUP MTV MTV MTV MTWX MTX MTX MTX MTX MU MU MU MU MU MU Mu MU MU MU MUA MUA MUAG MUB MUBS MUBW MUD MUD MUD MUD MUD MUF MUF

Message Transfer Service Element Multiplex Table Signalling Entity Mobile Telecommunications Switching Office Mobile Telephone Switching Office Mag Tape Summary Program Mean Time to Service Restoral Mobile Test Terminal Multi-Transaction Timer Mean Time To Diagnose Mean Time To Fail Mean Time To Failure Mean Time To First Failure Mean Time To Repair Mean Time To Restore Meridian Text Telephony System Mean Time To Service Restoral Maintenance TTY Magnetic Tape Unit Maintenance Terminating Unit Maintenance Termination Unit Maximum Transfer Unit Maximum Transmission Unit Maximum Transmittable Unit Maximum Transport Unit Metallic Test Unit Mobile Terminating Unit (TETRA) Multiline Test Unit Multiport Transceiver Unit MCI TUP Mountain View Move-To-Vacant Music Television Mechanized Teletypewriter Exchange Matrix Mobile Telephone Exchange Multiplexor Session Multiplexor Transactor ISO country code for Mauritius Mark Up Memory Unit Message Unit Missed or Unprocessed Mobile Muenztelefon (Payphone) Multidestinational Unidirectional Multiple Directional, Unidirectional Multipoint Unit Mail Agent Maintenance Group Unblocking Acknowledgement Signal Military s Advisory Group Multi-Use Bearer Multi-Use Bearer Service Minimum Usable BandWidth Memory Usage Database Multiple Dialogue Multiple Dimension Multiple Dungeon Multi- Domain Maximum Usable Frequency (Short Wave Propagation) Maximum Useable Frequency

MUFASA MUI MULDEM MULDEX MULDEX MULE MULTICS MUM MUMPS MUMPS MUMR MUMS MUMS MUP MUP MUPID MUS MUSA MUSC MUSE MUSE MUSE MUSE MUSH MUSI MUSICAM ultiplexing MUT MUT MUT mutex MUX MUX MUX MUX MUX1.2 MUX1.4 MUX2 MUX3 MV MV MV MV mV MV MVAS MVC MVC MVC MVC MVCC MVD MVDM MVDS MVDS MVDS MVFS MVGA MVI MVI

Multiple-FPGA Alternative SIMBA Architecture Multimedia Interface Multiplex/Demultiplex Digital Multiplexer Plus Demultiplexer MULtiplexer-DEmultipleXer Minimal USES List Enforcement Multi Interactive Computer System Multi-Unit Message Massachusetts General Hospital Utility Multi-Programming System Massachusetts general hospital Utility MultiProgramming System Multiunit Message Rate Multi Mobile Station Multiprocessor Utility and Monitoring System Management of Ports Millenium Update Program MultiUse Programmable Intelligent Decoder Music Multiple-Unit Steerable Antenna Multi Signaling Channel Multiple Sub-Nyquist Sampling Encoding MUltiple sub-nyquist Sampling Encoding (HDTV) Multi- Shared Environment Multi- Simulation Environment Multi- Shared Hallucination Macintosh/UNIX Systems Integration Masking-pattern adapted Universal Sub-band Integrated Coding And M Master Upper Tester Mean Up Time Modem Under Test Mutual Exclusion MUltipleX (multiplexer) Multiplexer MUltipleXer time MUXtiplexor Signalling MUltipleX Mode 1 (two-bit signalling) Signalling MUltipleX Mode 1 (four-bit signalling) Signalling MUltipleX Mode 2 Signalling MUltipleX Mode 3 ISO country code for Republic of Maldives Machine Vision Mandatory Variable Length Market View Millivolt(s) Motion Vector Multi-Vendor Application +B3857 Manual Volume Control Model-View-Controller Multivendor Capability Multivendor Capacity Metasignaling Virtual Channel Connection Motion Vector Data Multiple Virtual DOS Machine Microwave Video Distribution Service Microwave Video Distribution System Multipoint Video Distribution System Multiversion File System Monochrome Video Graphics Array Multiple-Vendor Interface Multi-Vendor Interactions

MVIP MVM MVME MVN MVP MVP MVP MVP1D MVP1NL MVP1SH MVP2D MVP2NL MVP2SH MVPSH1 MVPSH2 MVR MVS MVS MVS MVS MVS/ESA MVS/TSO MVS/XA MVSt MVT MVT MW MW MW MW MW MW mW MW MW MW MWB MWBL MWC MWC MWC MWCAM MWI MWI MWIC MWICB MWID MWIDACC MWIDB MWIDC MWIDGID MWIMAX MWINUM MWL MWLC MWM mwm MWN MWP MWPT

Multi-Vendor Integration Protocol Meridian Voice Mail Motorola VME Multimedia Virtual Network Multiline Variety Package Multimedia Video Processor Multiple Vendor Program Multiline Variety Package 1-Digit Multiline Variety Package 1-Digit Number List Multiline Variety Package 1-Digit Shared List Owner Multiline Variety Package 2-Digit Multiline Variety Package 2-Digit Number List Multiline Variety Package 2-Digit Shared List Owner Multiline Variety Package Shared 1-Digit Multiline Variety Package Shared 2-Digit Multiple Virtual Router Multiple Virtual Storage Multiple Virtual System Multipoint Video Service Multipoint Videoconferencing Service Multiple Virtual Storage/Extended System Architecture Multiple Virtual Storage /TSO (IBM) Multiple Virtual Storage/Extended Architecture Muttervermittlungsstelle (parent exchange for foreign connection) MoVemenT Multiprogramming with a Variable Number of Tasks ISO country code for Republic of Malawi Medium Wave Medium Wave (500...1600 kHz) Message Waiting Microwave Milliwatt Test Line Milliwatt(s) Multilink Window Multiwink Multiwink Signaling Monitoring Workbench Milliwatt Balanced Line Message Waiting Center Multi-Way Call Multi-Way Calling Multi-Way Calling for Analog Member of EKTS Message Waiting Indication Message Waiting Indicator Message Waiting Indicator Control Message Waiting Indicator Control Billing Records Message Waiting Indicator Deactivation Message Waiting Indicator Deactivation Access Code Message Waiting Indicator Deactivation Billing Records Message Waiting Indication Message Waiting Indicator Control Default Group Identifier Maximum Number of Outstanding MWI Control Requests Number of Message Waiting Indicators Assigned Message Waiting Lamp Modular World Line Card Motif Window Manager Motif Window Manager Message Waiting Notification Message Waiting Point Message Waiting Point

MWPTAM MWQ MWQRY MWT MWT MWTN MX MX MX MX MX MXM MXR MXRVO MXU MY MY MZ MZ

Message Waiting Point for Analog Member of EKTS Message Waiting Query Message Waiting Query Message Waiting Message Waiting Tone Multiwavelength Transport Network ISO country code for United Mexican States (Mexico) Mail Exchange Mail Exchanger Mixed MultipleXor Misaligned Access Enable Multiplexer Multiple Transmit/Receive Virtual Overhead Message Transfer Unit ISO country code for Malaysia Man-Year ISO country code for People's Republic of Mozambique Mark Zbikowski

back to top|0-9|A|B|C|D|E|F|G|H|I|J|K|L|M - N O|P|Q|R|S|T|U|V|W|X|Y|Z n N N N N N N N N N N N N N n N(R) N(R) N(S) N(S) N(S)N N/A N/A N/C N/C N/I N/O N/S N/W N1 N11 N11SC N1X75 N2 APB

nano (10-9) Negative Network Network Layer Network Layer Service Neutral conductor newton Nibble No Node Noise None Normal North Number (short or int) Receive Sequence Number transmitter receive sequence number Send Sequence Number transmitter send sequence number National (Significant) Number Not Applicable Not Available Normally Closed Numerical Control Noise to Interference Ratio Normally Open Not ed Network Maximum number of bits in an X.25 frame as defined in Recommendation X.25, § 2.4.8.5 (LAPB) N11 Trigger N11 Service Codes X.75 Parameter N1 (Maximum Number of Bits in an InformationFrame) Maximum Number of Attempts to Complete a SuccessfulTransmission, L

N2 N200 N200P N2X75 sion) N6 N6TU NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NAA NAAD NAAG NAB NAB NABER NABTS NABTS NAC NAC NAC NAC NAC NAC NAC NACD NACD NACK NACK NACN NA NACS NACS NAD NADC NADC NADF NAE NAFIN NAFTA NAG NAG NAIS NAK NAK NAL NAL

Maximum number LAPD Number of LAPD Number of X.75 Parameter

of attempts to complete a transmission Retransmittals Before Recovery Procedure Retransmittals Before Recovery Procedure, for PRI N2 (Maximum Number of Attemps to Complete aTransmis

Number 6 Signaling Number 6 Signaling Test Unit ISDN Calling Name Identification Services ISO country code for Namibia National Network Access Network Adapter Network Address Network Architecture Network Aspects (ETSI TC) Night Alarm No Assurance North America North American Not Accessible Not Applicable Not Available Numerical Aperture Node Application (DSA-Bull) Nortel Access Authentication Daemon North American Architecture Guild National Association of Broadcasters (USA) Netscape Application Builder National Association of Business and Educational Radio National Association of Broadcast Transmission Standards North American Basic Teletext Specification Network Access Corporation Network istration Center Network istrative Center Network Attendant Console Node Access Control Node istration Card Non-Area Code Network Automatic Call Distribution Networked Automatic Call Distribution Negative Acknowledgement No ACKnowledgment North American Cellular Network North Atlantic Consultative Progress (CEPT-FCC) Network Asynchronous Communication Server No Active-Channel Selector Network Access Device North American Digital Cellular Not-Acceptable Data Code North American Directory Forum Network Address Extension Netherlands Armed Forces Integrated Network North American Free Trade Agreement Node Assessment Graph Numerical Algorithms Group Network Access Interface Specification Negative Acknowledge Negative Acknowledgement Network Access Line Not Allowed

NAL NAM NAM NAM NAMA NAMAS NAMF NAMPS NAMPS N-AMPS NAMTYP NAN NAN NAN NAN NaN NAN NANA ASZ NANA CBK NANA EHZ NANA GRQ NANA GSM NANA IDE NANA IDF NANA RAN NANC NANOG NANP NANPA NANPA NAP NAP NAP NAP NAP NAP NAPI NAPI NAPLP NAPLPS NAR NARC NARC NARP NARRG NARS NARS NARUC NAS NAS NAS NAS NAS NAS NAS NAS NAS NAS NAS NASA

Novell Application Launcher Network Access Method Network Access Module Number Assignment Module North America Mobile Association National Measurement Accreditation Service North American Multifrequency Narrowband Advanced Mobile Phone Service Narrowband Advanced Mobile Phone System Narrowband Advanced Mobile Phone System Name Delivery Type Neighborhood Area Network Network Access Node Norton for Networks Not a Number Not a Number Not-a-Number National Operator Signal message National Clearback message National Onhook Signal message National General Request message National General Forward Setup Information message National Identification End message National Identification message National Re-Answer message North American Numbering Council North American Network Operators' Group North American Numbering Plan North American Numbering Plan istration North American Numbering Plan Network Access Point Network Access Provider Network Adjunct Peripheral Network Agent Protocol Network-Access Protocol Normal Approval Procedure (ETSI) Numbering and Addressing Plan Indicator Numbering/Address Plan Identifier North American Presentation Layer Protocol North American Presentation Layer Protocol Syntax Name and Reason Node Aspect Return Code Non-Automatic Relay Center NBMA Address Resolution Protocol North American Repair and Remanufacture Group Network Access s Network Alternate Route Selection National Association of Regulatory and Utility Commissioners Netscape Application Server Network Access Server Network Access Signaling Network istration System Network Analysis System Network Application Network Applications Services Network Applications System Network Attendant Service Nominal Aggregate Signal North American Standard National Aeronautic and Space istration (USA)

NASC NASI NASNA NASP NASS NAT nit NAT Nat NATA NATO NATOA NATS NATS NATTA NAU NAU NAU NAV NAV NAV NAV NAWS NAXLAR NB NB NB NB NB NB NB NBBS NBC NBC NBC NBCCTOEDN NBD NBDG NBEC NBF NBF NBF NBFM NBH NBI NBIN NBL NBLH NBLN NBM NBMA NBMS NBN NBNS NBO NBOC NBOR NBS NBS NBSS

800 Number istration and Service Center NetWare Asynchronous Services Interface National Association of State Nine-One-One s Network Application Service Part Network Access Signalling System NATural unit of information control, information content natural u Network Address Translation Network Address Translator North American Telecommunications Association North Atlantic Treaty Organisation National Association of Telecommunications Officers & Advisors National Air Traffic Services North American Terrestrial System Not AT&T Anymore Network Access Unit Network Addressable Unit (SNA) Network-Accessible Unit Net Allocation Vector Network Allocation Vector Network Applications Vehicle Norton AntiVirus Negotiate About Window Size North American Translations and Routing Narrowband Network Buffer New Band Non-Blocking Normal Burst Nota Bene (Mark Well) Postal code for New Brunswick Networking BroadBand Services National Broadcasting Company Inc. (USA) Network Bearer Channel Number of B-Channels Number of On-Demand B-Channels Per Call Type Per OE/DN Next Business Day New Business Development Group Non-Bell Exchange Carrier NetBEUI Frame NetBIOS Frames Control Protocol NetBIOS Frames Control Protocol Narrow Band Frequency Modulation Network Busy Hour Northern Business Information A parameter in the hopping sequence Notification Busy Limit Network Blockage Heavy Traffic Treatment Network Blockage Normal Traffic Treatment National Backward Message Non-Broadcast Multiple Access Nortel Business Management System Nonblocking Network NetBIOS Name Server Network Build-Out Network Build-Out Capacitance Network Build-Out Resistance National Bureau of Standards (USA, now NIST) New British Standard Nortel Base Station Subsystem

NBSV NBT NBTel NBTR NBU NBVM NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NCA NCA NCA NCAP NCAPI NCAR NCAS NCB NCB NCC NCC NCC NCC NCC NCC NCC NCC NCC NCC NCC NCC NCCD NCCE NCCF NCCF NCCI NCCI NCCI NCCL NCCR NCCU NCD NCD NCD NCDA

Narrow Band Secure Voice NetBIOS Over T/IP New Brunswick Telephone Narrow Band Tape Recorder Nortel Business Unit Narrow Band Voice Modulation ISO country code for New Caledonia National Committee (CEN) Netscape Communicator Network Channel Network Cluster Network Computer Network Computing Network Congestion Network Connect(ion) Network Control Network Controller Network Crosspoint No Circuit Normally Closed Normally Closed (Switch/Relay s) Not Connected Number Complete indication Numerical Control U.S. postal code for North Carolina Network Computing Architecture (IBM) No-Circuit Announcement Non-Call Associated Number of Call Appearances Netscape Client API National Center for Atmospheric Research Non-Call-Associated Signaling NetBIOS Control Block Network Control Block National Color Code National Computer Conference (USA) National Computing Center (UK) National Computing Center for OSTC National Co-ordination Centre Network Centric Computing Network Colour Code Network Communications Corporation Network Control Center Network Coordination Centre New Common Carrier Public Land Mobile Network Colour Code Network dependent Call Connection Delay Novell Collaborative Computing Environment Network Communication Control Facility (NetView) Network Communications Control Facility Network Call Correlation Identifier Network Control Center Interface New Common Carrier Interface Network Controlled Coin Line Non-Continuous Coverage Region North Carolina Central University Network Call Distributor Network Computing Devices Non-Check Dummy Character No Call Delivery Activatable

NCDA N-CDMA NCE NCE NCEG NCEITA

No Call Delivery Activation Narrowband CDMA Network Connection Endpoint Nomadic Computer Environment Numerical C Extensions Group North Carolina Electronics and Information Technologies Associatio

NCELL NCF NCF NCF NCFU NCG NCGA NCGN NCGN nCgPC NCHO NCI NCI NCICS NCID NCIH NCIL NCL NCL NCL NCL NCLK NCM NCM NCMS NCNL NCO NCO NCO NCON NCOP NCOS NCOSE N N N N N N NAS NCR NCR NCR NCR NCR NCR NCREN NCRT NCS NCS NCS NCS NCS

Neighbouring (or current serving) CELL National Communications Forum Netware Configuration File Network Control Facility(ies) Network Call Forwarding Universal Network-side Command Generator National Computer Graphics Association (USA) Calling Name North Carolina GigaNet National Calling Party Category Network Controlled Handover Network Channel Interface Network Component Interface Networked Call-Independent, Connection-Oriented Signalling Network Clear Indication Delay North Carolina Information Highway Network Controlled Inmate Line Neighbor Cell List Network Control Language (IBM) Non CM Load Novatel Communications Ltd. Network Clock Network Channel Manager Network Cluster Member Network Connection Management Subprotocol (ISO) Network Controlled Non-Coin Line Network Camp-On Network Control Office Numerically Controlled Oscillator Connected Name Network Code Of Practice (ETSI) Network Class of Service National Council on Systems Engineering NetWare Core Protocol Network Control Point Network Control Processor Network Control Program (SNA) Network Control Protocol Network Controller Processor Network Control Point istration System National Cash Company Network Completion Reports Network-generated Call Reference No Circuit Available, Circuit Request Left Non-Call Related Null Call Reference North Carolina Research and Education Network No-Circuit Route Treatment National Communication(s) System Network Clock Synchronization Network Combiner and Switching Network Computing System (Apollo) Network Control Station

n

NCS NCS NCS NCSA NCSA NCSC NCSI NCSK ncsl NCSU NCT NCT NCT NCTA NCTC NCTE NCU NCU NCUG NCWV ND ND ND ND ND ND NDA NDA NDA NDAC NDB NDB NDB NDB NDBM NDC NDC NDC NDC NDC NDCOS NDD NDES NDF NDFA NDFSM NDIS NDIS NDL NDL NDLC NDM NDM NDM NDN NDN NDP NDPS NDPS NDPS

Network Control System Network Coordination Station NORTEL Communications Systems National Center for Supercomputing Applications National Computer Security Association National Computer Security Center Network Communications Services Interface Network-Controlled Soft Key Non-Commentary Source Lines North Carolina State University Network Control and Timing Night Closing Trunk No Call Transfer National Cable Television Association Network Configuration Tracking Capability Network Channel Terminating Equipment NEAT Communication Unit Node Control Unit National Centrex Group Noncall Work Volume Neighbor Discovery Network Equipment Building System Data Non-Directional (antenna) Nortel Dasa Number Delivery U.S. postal code for North Dakota National Directory Assistance Network Design and Analysis Corp. Non-Disclosure Agreement No Data ACcepted (IEEE-488 Bus Signal) Network Data Base Network Database Network-Determined Busy Non Directional Beacon New Database Manager National Destination Code Network Data Collection Network Destination Code No Double Connect Normalized Device Coordinates Network Data Collection Operations System Network Diagnostic Division Normal Digital Echo Suppressor New Data Flag Non-Dedicated File Area Non-Deterministic Finite State Machine Network Device Interface Specification Network Driver Interface Specification Natural Database Language Non-Defined Customer Location Non-Data-Link Console Network Data Model Network Data Mover Normal Disconnected Mode National Data Number Non-Delivery Notification Numeric Data Processor NetWare Distributed Print Services Nondisruptive Path Switch(ing) Nonstandard Default Packet Sizes

NDPS NDR NDR NDR NDRO NDS NDS NDS NDS1 NDSE NDSF NDT NDT NDT NDU NDUB NDVA NDW NDWS NE NE NE NE NE NE NE NE NE NE NE NE NE NEA NEA NEAB NEAN NEAT NEATE NEB NEBE NEBS NEBSFR NEC NEC NEC NEC NEC NEC NECA NECM NECOS NECQ NECRD NECS NECTI NED NEDT NEED NEF NEF/CA

Novell Distributed Print Services Network Data Representation Non-Delivery Report Non-Destructive Read Non-Destructive Read Out NetWare Directory Services Network Data System Novell Directory Services Number of DS1 Facilities National Data Switching Exchange Non-Dispersion-Shifted Fiber Net Data Throughput No Dial Tone Non-Destructive Testing Network Data Unit Network-Defined Busy Network Design & Validation Authority Norton Desktop for Windows Nonstandard Default Window Sizes ISO country code for Republic of the Niger Near End Negotiated Exit Network Element Network Entity Network Equipment New Executable Northeast Northern Electric Not Equal To Numeric Error Numeric Exception U.S. postal code for Nebraska NEtwork Architecture (Siemens) Non-Equal Access NEA Layer Protocol (Siemens) NEA Network Layer Protocol (Siemens) Network Evaluation and Test System NEA Transport Layer Protocol (Siemens) Netscape Extension Builder Near End Block Error Network Equipment-Building System Network Equipment- Building System Family of Requirements National Electrical Code National Electronics Conference Nederlands Elektrotechnisch Comite (NL) New Entrant Carrier Nippon Electric Comp. (JAP) Northern Electric Company National Exchange Carrier Association Network Element Configuration Management Network Coordinating Station National Electronic Components Quality NEC Reasearch and Development (periodical) Network Element Capability Specification Network Enabled Computer Telephony Integration National ETSI Delegation Network Editor Tools Nodal End-to-End Data message Network Element Function Network Element Function/Capability Assignment

NEFA NEG NEGT NEGX NEI NEI NEI NEIT NEK NEL NEL NEL NELB NEM NEM NEMA NEMA NEMAC NEMESYS NEMKO NEMOS NEMP NEMS NEMW NENA NEO NEO NEOFF Nep NEP NEPC NEQ NERA NERVE NES NES NESAC NESC NESP NEST net NET NET NET NET NETBEUI NetBIOS NETBLT NETC NETC NETCGID NETD NETG NETI NETID NetLS NETM NETMATE NETRAG NETS

Near End Failure Negative Near End (Initiator) Global Title Negate with Extend (680x0 inst) Network Element Interface Network Entity Identifier Network Equipment Identifier Negative Enhanced Imaging Technology Norsk Elektroteknisk Komite (N) Network Element Layer Next Event List Next Line Near-End Loopback Network Element Management Network Event Monitor (Bell) National Electrical Manufacturers Association (USA) Network Element Memory istration Network Management and Control Network Management Expert System Norwegian Board for Testing and Approval of Electrical Equipment Network Management Operations System Nuclear ElectroMagnetic Pulse (EMI) Network Executive Message Service Network Executive Message Waiting National Emergency Number s Network Objects Networked Objects Near-End Office NailedUpEndPoint Noise Equivalent Power Near End (Initiator) Point Code Not Equipped National Economic Research Associates Network Evaluation, Reporting and Verification Network Encryption System Non-Expanded Spectrum National Electronic Systems Assistance Center National Electrical Safety Code Near End (Initiator) Signalling Point Novell Embedded Systems Technology Major network centers domain Network New England Telephone Norme Européenne de Télécommunication Null End-Tag NETBios Extended Interface (IBM) Network Basic Input/Output System Network Block Transfer Network Combined Network Evaluation and Test Center Network Customer Group Identifier Noise-Equivalent Temperature Difference (Thermometry) National Educational Training Group Network Management International NETwork IDentification (SNA) Network License System Network Maintenance NeETwork Management Analysis and Testing Environment Network Ring Again Nationwide Emergency Telecommunications Service

NETSTAR NEV NEW NEWACD NEWDN Newi NEWRO NEWS NEWS NeWS NEXT NF NF NF NF NF NF NF NF NF NF NF NFA NFA osoft) NFA NFAS NFE NFE NFET NFF NFF NFI NFM NFM NFOEC NFOS NFP NFP NFPA NFR NFS NFS NFY NG NG NG NG NG NG NGDLC NGI NG-IDLC NGIS NGLC NGN NGN NGN-CS NGN-MSH NGO

Network Subscriber Transaction and Recording System Network Event Establish service Establish new Automatic Call Distribution set Assign block of DNs, RCF New World Infrastructure New Responsible Organization NetWare Early Warning System Network Error Warning System (Net/Master, IBM) Network-Extensible Window System Near-End Crosstalk ISO country code for Norfolk Island Nested Flag Network Function Node Function Noise Factor Noise Figure Normal Frame Not Found Notch Filter NUI Format Postal code for Newfoundland Network Facility Access Network File Access (MAP/TOP- upper 3 layers from IBM, Intel, Micr Nondeterministic Finite Automaton Non-Facility Associated Signaling Network Facilities Extension New Front End N-Channel Junction Field-Effect Transistor Neutral File Format No Fault Found Network Function Identification National Forward Message Network File Manager National Fiber Optic Engineering Conference Near Field Optical Scanning Nonpreemptive Fixed Priority Note Format Parameter National Fire Protection Association Near-Field Recording Name File System Network File System (SUN) Notify ISO country code for Federal Republic of Nigeria Newsgroup Next Generation Noise Guard Non-Gating Number Group Next-Generation Digital Loop Carrier Next Generation Internet Next Generation Integrated Digital Loop Carrier Next Generation Information System New Generation Line Circuit Next Generation Network(s) Next Generation Node NGN Call Server NGN Multi-Services Hub Nongovernment Organization

NGP NGS NGSO NH NH NH NHB NHC NHC NHC NHD NHK NHLF NHLFE NHN NHOB NHRP NHRP NHS NHS NHT NHTML NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI-1 NI-2 NI-3 NIA NIA NIA NIB NIB NIC NIC NIC NIC NIC NIC NIC NIC NIC NIC2S NiCad NICAM NICAM

Next Generation Products Next Generation Switch Non-Geostationary Satellite Orbit National Host Network Header U.S. postal code for New Hampshire Non-Hard-Blocking Negative High Current Next Hop Client NHRP Client Networking Hardware Division Nippon Hoso Kyokai Network High Level Function Next Hop Label Forwarding Entry Non-Hunt Terminal Non-specific Hierarchical Operational Binding Next Hop Resolution Protocol Next Hop Routing Protocol Next Hop Server NHRP Server No Hazard Test Netscape HTML ISO country code for Republic of Nicaragua National Indicator National ISDN Network Identifier Network Identity Network Indicator Network Interconnect Network Interconnection Network Interface Network Inventory New Instructions No Impact No Increase Non-Interlaced Normalized Indicator Notification Indicator Number Incomplete Indicator National ISDN-1 National ISDN-2 National ISDN-3 Network Information Appliance Network Interface Adapter (OSI-SNA) Number of Initial Address Negative Impedance Booster Network Indicator Bit National ISDN Council Near-Instantaneous Companding Nearly Instantaneous Companding Negative Impedance Converter Network Independent Clock Network Independent Clocking Network Information Center Network Interface Card Not In Context Network-Intensive Computing and Communicating Systems Nickel Cium Near-Instantaneous Companded Audio Multiplex Nearly-Instantaneous Companded Audio Multiplex

NICC NICE NICE NID NID NID NID NIDL NIF NIFC NIFE NIH NIH NIHCL NII NII NIIF NIIT NIK NIL NIM NIM NIM NIM NiMH NIN NIN NINT NIOAG NIOD NIP NIP NIP NIP NIP NIR NIS NIS NIS NIS NIS NIS NIS+ NISC NISDN NISDN N-ISDN N-ISDN n-ISDN N-ISDN NISI NISL NISO NISP NIST NIT NIT NIT NITEC NITS

Network Interoperability Consultative Committee Network Information Control Exchange (DECnet protocol) Nonprofit International Consortium for Eiffel Network Identifier Network Interface Device Network Inward Dialing Next IDentification Network Interface Definition Language Neighborhood Information Frame Netscape Internet Foundation Classes Near Inhibition Far Excitation National Institutes of Health Not Invented Here National Institutes of Health Class Library National Information Insfrastructure (USA) Network Independent Interface Network Interconnection & Interoperablity Forum National Information Infrastructure Testbed Nickelodeon Network Interface Layer (DPA) Network Install Manager Network Installation Maintenance Network Interface Module Number of Inherited Methods Nickel-Metal-Hydride Network Interface Node Nortel Information Network Network INTerception (supplementary service) National ISDN Operations Advisory Group Network Inward and Outward Dialing Network Identification Plan Network Integrated Processing Network Intelligence Platform Next Instruction Pointer Non-Impact Printer Network Information Retrieval Name Information Service Network Information Service Network Information System Network Interface Specification Northern Telecom Interface Specification Not In Service Network Information Services Plus Network Information Service Center Narrowband ISDN National ISDN Narrow Integrated Services Digital Network Narrowband ISDN Narrowband ISDN Narrow-band ISDN Network Information Service Infrastructure Network Interface SubLayer (NIL) National Information Standards Organization National Internet Service Provider National Institute for Standards and Technology (US) Network Interface Tap Network Interoffice Transmission Non-Initializing Terminal Northern Ireland Telecommunications Engineering Center National ISDN Technical Subcommittee

NIU NIUF NIUF NIU-Forum NIUG NIW NIX NIXCR NJ NJC NJE NKP NKRO NKT NL nl NL NL NL NL NL NL NL NL NL NLA NLC NLC NLCB NLCM NLDM NLDM NLFPR NLM NLM NLM NLM NLM NLM NLMS NLO NLOS NLP NLP NLP NLPID NLPS NLQ NLQP NLR NLR NLR NLRI NLS NLS NLSE NLSP NLSP NLSS NLST

Network Interface Unit National ISDN s' Forum North American ISDN s' Forum North American ISDN s' Forum National IGES Group Network Interworking Node Identifier Exchange Notification of Incoming X.25 Call Request U.S. postal code for New Jersey Network Junctor Connecting Network Job Entry MDII: No Key Pulse N-Key-Roll-Over Nederlands Keuringsinstituut voor Telecommunicatieapparatuur (NL) Call Control-Network Layer (Layer 3) Interface Internet country code for the Netherlands ISO country code for Kingdom of the Netherlands Native Language Network Layer (OSI) Network Link New Line Niederlassung (Branch Office) Noise Limiter Non Listed Non-Loaded Non-Linear Amplified Negative Low Current Number of Logical Channels Network Link Control Block New LCM Network Logical Data Manager (NetView) Normalized Logical Data Model Non Linear Fabry-Perot Resonator (optical transistor) National Library of Medicine (USA) NetWare Loadable Module Network Level Management Network Link Module Network Lock Manager Number of Local Methods Normalized Least Mean Square New Licensed Operator Non-Line-of-Sight Natural Language Processing Nonlinear Processor Nonlinear Program Network Layer Protocol Identifier Network Listener Protocol Service Near Letter Quality Near Letter-Quality Printer Network Layer Relay Noise Load Ratio Non Linear Resistor Network Layer Reachability Information National Language Nonlocking Shift Nonlinear Schrodinger Equation NetWare Link Services Protocol Network Layer Security Protocol Non-Locally Switched Special Non Listed Name

NLT NLTS nm NM NM NM NM NM NM NM NM NMA NMA NMA NMA NMAS NM-ASE NMB NMB NMC NMC NMC NMC NMC NMC NMC NMCS NMCT NME NME NME NME NMF NMFA NMFUD NMG NMI NMIF NMIS NML NML NML NM NMLIS NMM NMM NMMW NMO NMO NMOS NMOS NMOSFET NMP NMP NMP NMP NMPF NMPF NMPORT NMR NMR

No Line Insulation Testing Network Load Test System Nanometer(s) Nautical Mile Network Management Network Manager Network Module Noise Margin Notification Manager Notification Message U.S. postal code for New Mexico Network Management Application Network Message Analyzer Network Monitoring and istration Network Monitoring and Analysis Network Management System Network Management Application Service Element Network Management Busy Number of Macroblocks Network Management Center Network Message Controller Network Model Coverage Network Module Controller Networked Multimedia Connection New Media Center Nortel Matra Cellular Network Management and Control System Network Management Co-ordination Team (ETSI, proposed) Network Management Entity Network Management Equipment Network Media Engine Norton Mobile Essentials Network Management Forum Network Management Functional Area Network Management Functional Unit Deployment Network Measurements Group Non-Maskable Interrupt Network Management Interface Network Management Interface System Network Management Layer Noise Maintenance Limit Listener (DECnet) Native Mode LAN Interconnection Service Network Management Module Network-Management and Maintenance signal Near Millimeter Wave Network Managed Object Network Management Option N-channel Metal Oxide Semiconductor Network Management and Operations n-Type MOSFET Network Management Position Network Management Protocol (ATT) No Modem Pool NUC Management Process Network Management Productivity Facility NM Productivity Facility (NetView) Network Module Port Noise-to-Mask Ratio Nuclear Magnetic Resonance

NMS NMS NMS NMS NMS NMS NMS NMS NMS NMS NMS NMS NMSI NMSI NMSI NMSI NMSIG NMSSDK NMT NMT NMTI NMTS NMVT NMVT NMWI NN NN NN NN NN NN NN NN1 NN2 NN3 NNC NNC NND NNI NNI NNI NNI NNID NNM NNM NNR NNS NNSC NNSS NNTEM NNTP no NO NO NO6 NOA NOA NOAA NOAA NOAO

NetWare Management Services NetWare Management System Network Management Server Network Management Services Network Management Signal Network Management Station Network Management System Network Management System/Network Management Station (Internet) Network Message Service Networked Multimedia System Noise Measuring Set Number of Message Sends National Mobile Station Identification National Mobile Station Identification number National Mobile Station Identity Nonmultiplexed Serial Interface Network Management Special Interest Group NetWare Management System Software Development Kit National Mobile Telecommunications Nordic Mobile Telecommunications National Message Type Indicator Nordic Mobile Telephone System Network Management Vector NM Vector Transport (NetView-SNA) Network Message Waiting Indicator National Network National Number Nearest Neighbor Netscape Navigator Network Node (SNA-IBM) Neural Network Node Number Next Name 1 Next Name 2 Netscape Navigator Version 3.0 National Network Congestion message National Network Congestion signal National Network Dialing Nederlands Normalisatie Instituut (NL) Nederlands Normalisatie-instituut Network Node Interface Network-to-Network Interface Non-Adjacent Network Identifier Network Node Manager Number of New Methods National Number Routed NetWare Naming Service NSFnet Network Services Center Navy Navigational Satellite System Neural Networks Traffic Enforcement Mechanism Network News Transfer Protocol Internet country code for Norway ISO country code for Kingdom of Norway Normally Open (switch/relay-s) Number 6 Signaling Nature of Address Number of Attributes National Oceanic and Atmospheric istration Network Operations Analyzer and Assistant National Optical Astronomy Observatories

NoAP NOB NOBCOEDN NOC NOC NOC NOC NOC NOCD NoCi NOCS NOD NOD NOD NODAN NOET NOF NOF NOF NOG NOGAD NOH NOH NOI NOI NOL NOLM NOM NOMS NOMS NON-GSO NOP NOP NOP NOP NOPMD NOR NOR NORC NORC NOREC NORGEN NORM NORMA NORTEL NOS NOS NOS NOSC NOSFER Telephonique NOSFER e Reference NOSR NOT NOT RDY NOTIFY NOTIS NOTRS NOU

Narrowband over ATM Products Network Operator Byte Number of On-Demand B-Channels Per OE/DN Nature of Connection Network Operating Centre Network Operational Center Network Operations Center Number of Children Original Called Name Nature of Connection Indicator Network Operations Center System Near-On-Demand Network Operations Domain Network Outward Dialing Noise-Operated Device for Anti-Noise Network Operations Education and Training Network Operations Forum Node Operator Facility Normal Operational Frames Network Operators Group Noise-Operated Gain Adjusting Device Network Overhead No Receiver Off-Hook Tone Network Operator Interface (NAA-DSA-Bull) Notice of Inquiry Network Operations Layer Nonlinear Optical Loop Mirror Network Order Management Network Operations and Management Symposium Network Operations Management Services (GNS-BT) NON-Geo Stationary Orbit Network Operations Plan Network Operations Protocol No Operation Number Of Packet No Packet Mode Data Normal Not OR (function) Network Operators RACE Committee (CEPT) Network Operators Research Committee No Record Network Operations Report Generator Normal No Remote Memory Access Northern Telecom Network Operating System Network Operations System Next On Stack No Service Circuit Nouveau Systeme Fondamental Europeen Reference pour laTransmission Nouveau Systeme Fondamental Pour la Determination desEquivalents d No Software Resource Treatment Notification Not Ready Notify message Network Operations Trouble Information System No Terminal Responding Network Operations Unit

NOV NOVRAM NOW NOW NP NP NP NP NP NP NP NP NP NP NP NP NP NP NP NP NP NP NP NP NP NP NP NP ID NP&P NPA NPAC NPAC NPAI NPC NPCI NPCS NPD NPD NPDA NPDA npdgp NPDU NPE NPE NPG NPI NPI NPI NPI NPI NPI NPI NPI NPI NPIAC np-ISMA NPL NPL NPM NPM

News Overview NOn Volatile Random Access Memory NAV Operations Workstation Network of Workstations ISO country code for Kingdom of Nepal National Parameter Network Pause Network Performance Network Peripheral Network Port Network Processor Network Protocol Network Provided Network-Provided New Page Next Page No Prefix No Print No Pulse Node Processor Nondeterministic Polynomial Not Planned Notification Point Number Portability Number Privacy Number Private Numbering Plan Network Peripheral Identification Network Protection and Power Numbering Plan Area Nortel X.25 Controller Number Portability istration Center Network Protocol Address Information Network Protocol Control (SNA/SAA) Network Protocol Control Information Narrowband Personal Communications Services Network Protection Device Numbering Plan Digit Network Problem Determination Application Network Problem Determination Application (NetView-IBM) No Padgroup Network Protocol Data Unit (OSI-NL) Network-Protection Equipment Numbering Plan Evolution Network Product Group Network Protocol Indicator New Product Introduction Null Pointer Indication Number Plan Identification Number Plan Indicator Numbering Plan Identification Numbering Plan Identifier Numbering Plan Indication Numbering Plan Indicator Network Plug-In istration Center Nonpersistent Inhibit Sense Multiple Access National Physical Laboratory (UK) Network Planning Letter NetView Performance Monitor (IBM) New Peripheral Module

NPM NPMA NPN NPNB NPO NPO NPP NPR NPR NPR NPR NPRM NPRZ NPS NPS NPS NPS NPS NPS NPS NPSC NPSI NPSI NPSI NPSR NPT NPT NPT NPV NPX NQA NQWV NR NR NR NR NR Nr NR/CD NR0 NR1 NR2 NR3 NRA NRA NRA NRA NRAG NRA-I NRAM NRAs NRC NRC NRC NRC NRC NRC NRDC NRDY NRE

New Product Module Nonpreemptive Multiple Access Network Provider Network No-Primary/No-Backup Negative/POsitive zero(-temperature-coefficient capacitor) New Product Opportunity Network Programming Platform National Public Radio Noise Power Ratio Non-Primary Residential Non-Processor Request Notice of Proposed Rulemaking Non-Polarized Return-to-Zero (recording) Network Processing System Network Provisioning System Network Identification Profile Screening Non-Payer Screening Non-Prioritized Scheme Northern Procurement Specification NUI Profile Screening National Protocol Center N Packet Switching Interface Network Packet Switching Interface NPC Packet-Switched Interconnect (SNA/SAA) New Product Summary Report Network Provided Tones Non Programmable Terminal Nortel Post and Telecommunications Net Present Value Numeric Processor Extension Niveau de Qualite Acceptable Nonqueue Work Volume ISO country code for Republic of Nauru Network Ready Network Resume Nibble Normal Nummer (Number) Non-Reproducible CD Non-Reserved 0 Non-Reserved 1 Non-Reserved 2 Non-Reserved 3 Network Remote Access Network Routing Address Non-Resident Area Notrufamt (Emergency Bureau) Network Ring Again NRA-International Nonvolatile Random Access Memory Notrufanschluss (Emergency Call Lines) National Research Council of Canada Network Reliability Council Network Research Corporation Network Routing Centre Non-Recurring Charge NoRestart Cutover Nashville Repair and Distribution Center Not Ready National Reference Exchange

NRE NRE NRED NREN NREST NRFD NRIC NRIM NRM NRM NRM NRM NRM NRM NRM NRM NRMS NRN Nrp NRP NRPB NRS NRS NRS NRS NRS NRSC NRT NRT NRT NRTC NRTL nrt-VBR NRU NRUM NRV NRZ NRZ NRZ-0 NRZ1 NRZ-1 NRZ-C NRZI NRZL NRZ-L NRZ-M NS NS ns NS NS NS NS NS NS NS NS NS NS NS

Negative Resistance Elements Nonrecurring Engineering Cost Redirecting Name National Research and Education Network Number Restrictions Not Ready For Data (IEEE-488 Bus Signal) Network Reliability and Interoperability Council Network Resource Information Model Negotiated Rule Making Network Reference Model Network Resource Management Network Resource Management message Network Resource Manager Normal Response Mode Notrufmelder (Emergency Caller) Number of Refined Methods Network Reference and Monitor Station Network Routing Number NailedUpRelayPoint Network Resource Planning National Radiological Protection Board Network Reconfiguration Service Network Resource Selection Network Resource Selector No Restart Swact Novell Replication Services National Radio Systems Committee Near Real Time Nonreal Time Notruftelefon (Emergency Call Telephone) National Rural Telecommunications Cooperative Nationally-Recognized Testing Lab Non-Real-Time Variable Bit Rate Network Resource Unavailable signal Number of Reused Methods Named Return Value Non-Return to Zero Non-Return-to-Zero recording, Non-Return-to-Zero change-on-zeros recording Non-Return to Zero Change at Logic 1 Non-Return-to-Zero change-on-ones recording Non-Return-to-Zero Change recording Non-Return to Zero Inverted Non-Return to Zero Level Nonreturn to Zero-Level Non-Return-to-Zero Mark recording AT&T Network Systems Name Server nanosecond Netscape Network Series Network Service(s) Network Signaling Network Software Network System New Signal Night Service (supplementary service) No Answer Supervision No Screening Non-Standard

NS NS NS NS NS OA NS&C NS/CC NS/EP NSA NSA NSA NSA NSA NSAI NSAP NSAPA NSAPI NSC NSC NSC NSC NSC NSC NSC NSC NSC NSC NSC NSC NSCS NSCX NSD NSD NSDB NSDN NSDP NSDU NSE NSE NSE NSE nsec NSEP NSERC NSET NSF NSF NSF NSF NSFNET NSG NSGR NSH NSI NSI NSI NSIC NSK NSL NSL

Not Screened Not Specified Not ed Postal code for Nova Scotia Network Surveillance Operations Application Network Surveillance and Control Network Service/Control Centre National Security/Emergency Preparedness National Security Agency (USA) Network Service Agent Network Signaling Agent Network Switched Access Non-Service Affecting National Standards Authority of Ireland (IRL) Network Service Access Point Network Service Attachment Point Address Netscape Server Application Programming Interface National Center Network Service Center Network Services Complex Network Signaling Channel Network Specialized Center Network Speed Call Network Speed Calling Network Switching Center Network Systems Corp. Non-Standard facilities Command Number Service Code Number Services Code Network Service Center System Network Services Complex Network Services Division (AT&T) Network Systems Division Network and Services Data Base Night Service Directory Number Non-Signaling Data Protocol Network Service Data Unit (OSI-NL) Network Services Engine Network Software Environment Network Switching Element Nortel Standard English Nanosecond National Security Emergency Preparedness Natural Sciences and Engineering Research Council of Canada Network Switching Education and Training National Science Foundation Network Specific Facility(ies) Non-Standard Facilities Norges Standardiseringsforbund (N) National Science Foundation Network (USA, connected to Internet) Network Subgroup Network Systems Generic Requirements Nashville NASA Science Internet Network Solutions, Inc. Network Surveillance Interface Not In Service For Incoming Call Norsk Standard Krypto Net Switching Loss Network Speech Link

NSL NSL NSLT NSM NSM NSM NSM NSMA NSM-I NSN NSN NSO NSO NSP NSP NSP NSP NSP NSP NSP NSP NSP NSP NSP NSPC NSPMP NSPS NSR NSR NSS NSS NSS NSS NSS NSS NSS NSS NSS NSS NSS NSS NSS NSS NSS NSS NSSA NSSA NSSC NSSCDT NSSD NSSN NSSOG NSSR NSTAC NSTL NSTN NSTS NT NT NT

Network-to-SLC Number of Signaling Links Narrowband Subscriber Line Terminal Netscape Server Manager NetWare Services Manager Network Services Management Network Status Monitor National Spectrum Managers Association Network Service Module for ISDN National Significant Number Network Switch Number National Standards Organization (ETSI) Notification Subscription Option National Signaling Point Native Signal Processing Network Service Part Network Service Participant Network Service Point Network Service Protocol (DNA) Network Service Provider Network Services Part Network Services Protocol New Services Prototyping Not Sent-Paid National Sound-Program Center Network Switching Performance Measurement Plan Node Software Network Systems Release Non-Source Routed National Standard System Network and Switching Subsystem Network Service Solutions Network Services Software Network Services System Network Statistics System (DSM-Tandem) Network Subscriber Service Network Subsystem Network Sub-System (GSM term) Network System Network Surveillance System Network Switching Subsystem Network Switching System Nodal Switching Subsystem Non-Standard Set-up Novell Storage Services Network Services and Software Applications Not So Stubby Area Network Services Surveillance Center NSS Carrier Dial Tone Network Systems Division National Standards System Network Network Security Standards Oversight Group Non-Specific Subordinate Reference National Security Telecommunications Advisory Committee National Software Testing Laboratory (USA) Non-Standard Telephone Number Network Services Test System ISO country code for Neutral Zone (obsolete) Nested Task Network Tailoring

NT NT NT NT NT NT NT NT NT OA NT1 NT1 NT-1 NT12 NT1B NT1PS NT1TM NT2 NT-2 NTA NTA NTA NTA NTAAB NTACS N-TACS NTAS NTB NTBA NTBS NTC NTC NTC NTC NTC NTC NTC NTC NTCA NTD NTD NTD NTD NTE NTE NTE NTE NTE NTE NTF NTFMT NTFS NTFS NTG NTG NTI NTI NTIA NTIS NTLM NTM

Network Termination Network Testing Network-Terminating Equipment New Technology (Windows) Non Transparent Nortel Networks Northern Telecom Postal code for Northwest Territories Network Testing Operations Application Network Termination- Type 1 Network Termination 1 Network Termination- Type 1 Network Termination- Type 1 and 2 Network Termination 1 Broadband NT1 Power Status Change NT1 Test Mode Change Network Termination- Type 2 Network Termination- Type 2 National Telecommunications Alliance Network Terminal Adapter Network Termination Analog Network Transport Address New Type Approval Advisory Board Narrowband TACS Narrowband TACS Windows NT Advanced Server New Technology Building Network Termination Basic Access Null-Terminated Byte String National Telecommunications Conference National Telesystems Conference National Television Center NEAT Test Centre Negative Temperature Coefficient Negative Temperature Coefficient (Resistor) Network Terminating Circuit New Table Control National Telephone Cooperative Association Network Technology Development Network Toll Denied Network Tone Detector Network Topological Design Network Terminal Emulator Network Terminal Equipment Network Terminating Equipment Network Test Environment Network Transport Element Windows NT-Embedded No Trouble Found Northern Telecom AMA Format New Technology File System (Windows NT) Northern Telecom Federal Systems Integrity Value Network Transformation Group Network Time Synchronization Agent Noise Transmission Impairment National Telecommunications and Information istration National Technical Information Service NT LAN Manager Network Termination Maintenance

NTM NTM NTM ntm NTM NTMBS NTMF NTMFT NTMOS NTMSS NTM-U NTN NTN NTN NTN NTNAPRI NTOA NTOC NTON NTONC NTP NTP NTP NTP NTP NTPF NTPFC NTRA NTRAC NTRAS NTRS NTS NTS NTS NTS DEC) NTS NTS NTS NTSA NTSC NTSC NTSC NTSC NTSC NTSC NTSC NTSIG NTT NTT NTTA NTTC NTTMP NTTP NTTPC NTTRF NTU NTU NTU NTV

Network Tone Module Network Traffic Management NT Test Mode Indicator NT Test Mode Indicator NT1 Test Mode Null-Terminated Multibyte String Network Traffic Management Forum NT Meridian Feature Transparency Network Traffic Management Operations System Network Tone Module Service Supervisor Universal Network Tone Module National Telecommunications Network National Terminal Number Network Terminal Number Network Terminating Number Northern Telecom North American Primary Rate Interface Nortel Operator Assistance Northern Telecom Object Center National Transparent Optical Network National Transparent Optical Network Consortium Network Termination Point ( Interface) Network Time Protocol Network Trouble Patterning Normal Transmitted Power Northern Telecom Practice Number of Terminals Per Failure Northern Telecom Pacific Norwegian Telecommunications Regulatory Authority New Technical Regulations Approval Committee (former TRAC) New Technology Remote Access Services No Terminal Responding NetWare Telephony Services Network Test System Network Time Synchronization Network Tracking System (SNA)/Network Troubleshooting Consultant ( Nodal Timing Supply Non-Traffic Sensitive Novell Telephony Services NetWare Telephony Services Architecture National Technical Supply Center National Television Standards Committee National Television System Committee (USA) National Television Systems Committee Network Test System Controller North American Television Standards Committee Notification Signaling Channel Northern Telecom Signature Nippon Telegraph and Telephone No Test Trunk Network Terminating and Testing Apparatus National Technology Transfer Center Network Trunk Transmission Measurement Plan Network Test and Termination Point Nippon Telegraph and Telephone Public Corporation NT Bellcore TR-Compliant Functional National Technological University NEAT Test Unit Network Terminating Unit Network Test Vehicle

NTWCS NTWK NU NU NU NU NU NU/NP NUA NUB NUB NUC NUC NUC NUD NUG NUI NUI NUI NUI NUI NUI NUI NUIAPA NUIAPAL NUIAPCUG NUIBPQHA NUIDTEVP NUIN0 NUIN1 NUIO NUIOP NUIPPQHA NUIPQHCUG NUISCA NUISUI NUIT0 NUIT1 NUITA1 NUIUVA NUIVCIC NUIVH NUIVHIX75 NUL NUM NUMA NUMC NUP NUP NUPB NUPB NUR NURBS NUS NUT NUTS NV NV NVAS NVFS

Null-Terminated Wide-Character String Network ISO country code for Niue Nailed Up NUll Number Unavailable Number Unobtainable Number Unavailable/Number Private Network Access National Unsuccessful Backward Setup Information Message Network Utility Box Nailed Up Connection Non-Upward Compatible Nucleus Neighbor Unreachability Detection Network Group NetWare s International Network Identification Network Identity Network Interface Nodal Interface Notebook Interface NTELPAC Identification NUI AP Address List of NUI AP Addresses CUG Interlock Code for the AP NUI Backup PQH Address DTE NUI Validation Possible Threshold for NUI Fraud Control Alerting Threshold for NUI Deactivation Network Identification Override Capability Network Identification Override Permission NUI Primary PQH Address CUG Interlock Code for the PQH NUI Selection on Call Acceptance NUI Supplemental Identification Acceptance NUI TO Time Interval NUI T1 Interval Timer NUI TA Time Interval Validation of NUI Allowed NUI Valid Card Issuer Codes Access Inconclusive NUI Validation Handling Incoming X.75 Inconclusive NUI Validation Handling Null Numeric Non-Uniform Memory Access Number of Calls Allowed Nailed Up National Part (of signalling system No7) Nailed Up B Channels Nailed-Up B-Channels for PMD Not-Used-Recently Non-Uniform Rational B-Spline (CAD/CAE) Number Search Number Unobtainable Tone Non-Usage Trunk Scan Nonvolatile U.S. postal code for Nevada Network Voice Activated Services Network Virtual File System

NVL NVLAP NVM NVOD NVP NVP NVP NVRAM NVS NVT NVT NW NW NW NW NWC NWC NWCTP NWG NWI NWK NWK NWM NWML NWN NWOF NWS NWSAA NWT NWT NWT NWT NWTP NWTTP NX64 NX NXID NXS NXSP NXT NXTGRP NY NYBC NYIT NYNEX NYPS NYSE NYSTA NYT nz NZ

Nashville National Voluntary Laboratory Accreditation Program (USA) Non-Volatile Memory Near Real-Time Video On Demand Name-Value Pair Network Voice Protocol Nominal Velocity of Propagation Non-Volatile Random-Access Memory Non Volatile Storage Network Virtual Terminal Novell Virtual Terminal NetWare Network Northwest Not Write-Through Native Window Control Network Management Control Network Connection Termination Point Network Working Group New Work Item (initial proposal of activity within ISO) Network Network Layer Network Management National Weights and Measurements Laboratory Nationwide Wireless Network Network of the Future Novell Web Server NetWare for SAA Network Technologies Network Technology Norstar, Wireless, and Terminals Nortel World Trade Network Termination Point Network Trail Termination Point Channelized N x 64 kbps Non-Crossthreaded Call Processing Number Exchange Identification MDII: No Expected Stop Network Transcoder Service Pack Next Next Group U.S.postal code for New York May Not Yet Be Connected New York Institute of Technology New York New England Exchange National Yellow Pages Service New York Stock Exchange New York State Telephone Association New York Telephone Internet country code for New Zealand ISO country code for New Zealand

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Object Code Objective Oblique

O O O O O O O O&M O/A O/E O/E O/E O/G O/P O/P O/R O/S O/S O+I O+T OA OA OA OA OA OA OA OA OA OA OA OA OA OA&M OA&M OABU OAC OAC OACSU OAD O OAF OAG OAM OAM OAM OAM OAM OAM OAM&P OAMC OAMDB OAMP OAMP OAMTD OAN OAN OAO OAP OAR

Octal Open Optical Optional Order of Other Overflow Operation(s) and Maintenance Originate/Answer Odd/Even Optical-to-Electrical Opto-Electronics Outgoing Outpulsing Utility OutPut Originator/Recipient Operating System Out-of-Service Originating-plus-Incoming Originating-plus-Terminating Object Adapter Office Automation Operand Address Operation Agent Operational Amplifier Operations Application Operator Assistance Operator Assisted Operator Attached Optical Amplifier Order istration Outgoing Access Overflow Accept Operation, istration and Maintenance Operation(s), istration and Management Operation Agent Back-Up Operator Assisted Call Opto Active Connector Off-Air Call Set-Up Origination-Address Display Optical Add/Drop Multiplexer Origin Address Field Official Airlines Guide Object Access Model Once-a-Month Operation(s) and Maintenance Operations and Management Operations, istration, and Maintenance Oscillator Activity Monitor Operations, istration, Maintenance and Provisioning Operation, istration, and Maintenance Centre OA&M Database Operations, istration and Maintenance Processor Operations, istration, Maintenance and Provisioning OAM Traffic Descriptor Optical Access Network Optical Access Node Orbiting Astronomical Observatory Open Automated Protocol Operand Address

OAR OARAC OAS OAS OAS OAS OASE OATS OATS OAU OAW OB OB OB OB OB OB OB OBA OBA OBA/D OBAF OBAM OBC OBC OBC OBCA OBCI OBCi OBCI OBCM O-BCM OBCS OBD OBEX obex OBF OBF OBH OBH OBHC OBI OBI OBJ OBJ OBJ OBJ OBN OBN OBO OBP OBS OBS OBS OBS OBTS OBTW O-BWO OC OC

Outgoing Access Restrictions On Air (de-) Registration ACknowledge information element Office Alarm System Office Automation Systems On-line Automated Organization of American States Object Aided Software Engineering Open Air Test Site Orthogonal Array Testing Office Alarm Unit Optically Assisted Winchester Object-Based Obligatory Joke Offboard Out-Band Outgoing Busy Output Buffer Outside Broadcast(ing) Object Behavior Analysis Out-of-Band Announcement Object Behavior Analysis and Design Originating BAF Object-Action Manager On-Board Controller Originating Basic Call Other side Bearer Channel Originating Bearer Control Agent On-Board Controller Interface Optional Backward Call Indicator Optional Backward Call Indicators Originating Basic Call Model Originating Basic Call Model Originating Basic Call Service Object Behavior Design Object Exchange Object Exchange Offboard Framework Ordering and Billing Forum Office Busy Hour Originating Busy Hour Originating Basic Half Call Object Binary Interface Odd Bit Inversion Object Code Object Code File Object Module Obligatory Joke Office Balancing Network Out-of-Band Noise Or best offer On-Board Processing ACD Observe Agent Call Observing Observe Outdoor Base Station Optical Bandwidth Test Set Oh, by the way O-type Backward-Wave Oscillator Object Centre ObjectCenter

OC OC OC OC OC OC OC OC OC OC OC OC OC O-C OC1 OC-1 OC12 OC-12 OC18 OC-18 OC192 OC-192 OC24 OC-24 OC3 OC-3 OC36 OC-36 OC48 OC-48 OC9 OC-9 OC96 OC-96 OCA OCA OCA OCA OCAA OCAD OCB OCB OCB-F OCBT OCB-UC OCC OCC OCC OCC OCC OCC OCCA OCCC OCCF OC OCD OCDM OCdNo OCEF OCF

Octet Counter Open Circuit Open-Captioned Operand Fetch Cycle Operations Channel Operations Controller Operator Centralization Optical Carrier Organization Code Originating Call Outgoing CAMA Output Compare Output Controller Object Centre Optical Carrier-Level 1 Optical Carrier-Level 1 Optical Carrier-Level 12 Optical Carrier-Level 12 Optical Carrier-Level 18 Optical Carrier-Level 18 Optical Carrier-Level 192 Optical Carrier-Level 192 Optical Carrier-Level 24 Optical Carrier-Level 24 Optical Carrier-Level 3 Optical Carrier-Level 3 Optical Carrier-Level 36 Optical Carrier-Level 36 Optical Carrier-Level 48 Optical Carrier-Level 48 Optical Carrier-Level 9 Optical Carrier-Level 9 Optical Carrier-Level 96 Optical Carrier-Level 96 Open Communications Architecture (IBM) Optical Customer Access Origin Connection Agent Outgoing Call Allowance Outside Calling Area Alerting Optical Character and Detect Outgoing Call Barring Outgoing Calls Barred Fixed Outgoing Call Barring (supplementary service) Office Compatible Basic Toolkit Controlled Outgoing Call Barring (supplementary service) Occupancy Operations Control Centre Optical Cross-Connect Other Common Carrier OUTWATS Carrier Code Overflow Call Condense Block Originating Call Control Agent One Connection Call Control Operator Communication-Control Facility (SNA) Occupancy Peak Out-of-Cell Delineation Optical Code Division Multiplexing Original Called Number Optical Cable Entrance Facility ObjectComponents Framework

OCF OCF OCG OCH OCHC OCI OCI OCI OCI OCI OCL OCLC OCM OCM OCM OCMS OCN OCn OCN OC-N OCNC OCOC O O O-L O-T OCR OCR OCR OCRIT OCS OCS OCS OCS OCS OCS OCT OCT OCT OCT OCTAVE OCTPET OCTUTIL OCU OCUDP OCU-DP OCV OCV OCW OCWR OCX OCX OD OD OD OD OD OD O-D ODA

Open Communication(s) Facility Open Computing Facility Operational Co-ordination Group Optical Channel Operator Call Handling Center Object Code Insertion Optical Carrier Interface Oracle Call Interface Orient Communications Industry Inc. Originating Carrier Identification Overall Connection Loss Online Computer Library Center Object Communication Model Originating Call Model Outgoing Call Memory Optional Calling Measured Service Operating Company Number Optical Carrier-Level n Original Called Number Optical Carrier-Level N Operator Centralization Night Closedown Object Centre Operations Committee Optional Calling Plan Original Called Party Optional Calling Plan-Local Optional Calling Plan-Toll Optical Character Reader Optical Character Recognition Outgoing Call Restriction Optical Character Reader Intelligent Terminal Operations Communications System Optical Cross-Connect System Originating Call Screening Outgoing Call Screening Overlap Carrier Selection Overload Control System Octal OCTAVE Office Code Trigger Overload Condition Treatment Object-Centered Test Automation and Verification Environment OCTAVE Package Execution Tool OCTAVE General Utilities Office Channel Unit Office Channel Unit Dataport Office Channel Unit-Dataport Open-Circuit Voltage Oscillator Control Voltage Odd Control Word Optical Continuous Wave Reflectometer OLE Custom Control OLE Custom Extension Optical Disc Optional for operators to implement for their aim Origination Dialog Out-Band Output Distributor Outside Diameter Origination-Destination Object Database Adapter

ODA ODA ODA ODA ODB ODBC ODBE ODBMS ODBMS ODC ODC ODC ODC ODCA ODCL OD ODD ODD ODD ODE ODE ODETTE ODF ODF ODF ODgVSt ODI ODI ODI ODIF ODIF ODK ODL ODL ODL ODL ODLI ODLS ODM ODM ODM ODM ODM ODM ODM ODMA ODMA ODMG ODMG-93 ODMI ODN ODN ODNA ODP ODP ODP ODP ODP ODPE ODP-RM

Office Data Assembler Office Document Architecture On-Line Delivery Acknowledgement Open Document Architecture On-Demand B-Channels Open Database Connectivity Office Database Editor Object Database Management System Object-Oriented Database Management System Office Default Carrier On-Duty Coordinator Optical Directional Coupler Orthogonal Defect Classification Ordered Channel Assignment Scheme with Rearrangement Optical Data Communication Link One-Digit Code Point Office-Dependent Data Office-Dependent Database Operator Distance Dialing Object Database & Environment Office 97 Developer Edition Organization for Data Exchange via TeleTransmission in Europe Network Management Forum Object Distribution Facility (NetView) OpenDoc Development Framework Ortsdurchgangsvermittlungsstelle (local tandem exchange) Open Datalink Interface Open Data-Link Interface Open Device Interface Office Document Interchange Format Open Document Interchange Format OEM Developer Kit Object Definition Language Object Description Language Office Document Language Optical Data Link Open Data Link Interface Optical Disk Library System Object Data Manager Object Data Model Object Display Map OCTAVE Data Manager Office Data Modification Optimized Distribution Model Organization Domain Modeling Open Distributed Management Architecture Opportunity-Driven Multiple Access Object Database Management Group Object Database Management Group-93 OCTAVE Data Manager Interface Open Data Network Optical Distribution Network Originating DNA Object Delivery Program Office Dialing Plan Open Distributed Processing Optical Distribution Point Optical Diverse Protection ODP Environment Open Distributed Processing Reference Model

ODR ODR ODS ODS ODS ODS ODSA ODSI ODT ODT ODT ODU OE OE OE OE OE OE OE OE OE OE OE OEA OEA OECD OED OED2 OEDN OEF OEIC OEIC OEM OEM OEM OEM OEM OEMF OEP OERC OES OES OES-D OET OEW OF OF OF OF OFA OFA OFA OFB OFC OFC OFC OFC OFCi OFDM OFDM

Optimized Dynamic Routing Origin-Dependent Routing Open Data Services Open Distributed Systems Optical Data Storage Ozone Depleting Substances Open Distributed Systems Architecture Open Directory Services Interface Operator Display Terminal Optical Distribution Terminal Outage Down Time Optical Demultiplexer Unit ISDN Access Line View Object Engine Office Equipment Office Equipment Identification Office Equipment Number Operating Equipment Operations Event Originating Equipment Originating Exchange Output Enable Overrun Error Operating Environment Architecture Optimized Effective-Address Organisation for Economic Cooperation and Development Oxford English Dictionary Oxford English Dictionary, Second Edition Office Equipment/Directory Number Origin Element Field Optoelectronic Integrated Circuit Opto-Electronic Integrated Circuit Operating Efficiency Measurement Operations Event Monitoring Original Equipment Manufacturer Other Equipment Manufacturers Outside Equipment Manufacturer HP OpenView Element Management Framework Operand Execution Pipeline Optimum Earth Re-entry Corridor Österreichisches EinheitswählSystem Outgoing Echo Suppressor (Austrian variant of DMS-100) Office of Engineering and Technology Object Engineering Workbench Object Framework Optional Fixed Length Overflow Overflow Flag Off-Net Access Optical Fiber Amplifier Output Function Array Output Office Official Open Financial Connectivity Optical Fiber Conference Optional Forward Call Indicator Optical Frequency Division Multiplexing Orthogonal Frequency Division Multiplexing

OFDM O-FDM OFDMA OFE OFF OFFL OffL OFFLN OFGQ OFHC OFHK OFL OFM OFM OFM OFMC OFR OFR OFS OFS OFS OFS OFS OFS OFS OFS OFTEL OG OG OGC OGDD OGID OGR OGT OGT OGW OGWS OGXPT OH OH OH OH OHBT OHC OHD OHD OHD OHD OHDACC OHECD OHI OHI OHIP OHP OHQ OHQT OHS OHSP OHT OI

Orthogonal Frequency Domain Multiplexing Optical Frequency Division Multiplexing Orthogonal Frequency-Division Multiple Access Old Front End Object File Format Offline Offline Offline Outgoing Facility Group Queuing Oxygen-Free, High-conductivity Copper (Cables) Off-Hook Overflow Operations Feature Matrix Outage Frequency Measurement Outgoing Formatter Optical Fibre Measurement Conference Off Frequency Rejection Overflow , Signal Distribution Point Object File System Office-side Frame Synchronization Open File Server Operational Fixed Service Optical Fiber System Out-of-Frame Second Output Field Separator Overflow , Software Office for Telecommunications (UK) Outgoing Outside BBG Outgoing Trunk Circuit Outgoing/Delay Dial Outgoing/Immediate Dial Outgoing Repeater Outgoing Toll Outgoing Trunk Operations Gateway Outgoing/Wink Start Outgoing Crosspoint Off Hook Operator Handled Overhead U.S. postal code for Ohio Off Hook Balance Test Originating Half-Call Offhook Delay Off-Hook Delay Trigger Optical Heterodyne Detection Over-Heat Detector Operator Handled Directory Assistance Call Completion Outgoing Half Echo Control Device Off-Hook Immediate Trigger Off-Hook Subscriber Service Indicator Office Hardware Inventory Package Over-Head Projector Off-Hook Queuing Off Hook Queue Tone Off-Hook Service Operator-Handled Split-Referral On Hook Transmission Number of Outstanding I Frames

OI OI OI OI OIA OIA OIA OIC OIC OICS OID OID OID OIDL OIFDC rol OIFDP et OIGP OII OIL OIL OIL OIM OIM OIM OIM OIM OINC OINF OIRT OIS OIS OIS OIU OIU OIW OIW OIW OJ OJ OJT OJUG OK OKITAI OKQPSK OKTR OL OL OL OL OLA OLAP OLB OLB OLB OLB OLC OL

Object Identifier Object Interface Open Interface Operator Identification Office Information Architecture Open Information Access Open Interface Access Oh, I see Originating InterLATA Carrier Object Implementation Conformance Statement Object Identifier Object Interaction Diagram Object-ID Object Interface Definition Language Outstanding Information Frames for LAPD, Parameter K for Call Cont Outstanding Information Frames for LAPD, Parameter K for X.25 Pack Open Interior Gateway Protocol Office Information Interchange (SNA) Optimizable Intermediate Language Optimizing Intermediate Language Orange Indicating Lamp Open Information Management Operations Interface Module Operator Interface Message Oracle In Motion OSI Internet Management Originating International Carrier Originating Rate Center Information Organisation internationale de radiodiffusion et de télévision (International Radio and Television Organisation) Office Information System Optical Interface System Originating International Switch Office Interface Unit Operator Interface Unit Open Systems Environment Implementors Workshop OSI Implementers Workshop OSI Implementor's Workshop Ordinary t meeting (ETSI) Originating Junctor On-the-Job Training Ottawa Java s Group U.S. postal code for Oklahoma Okinawa-Taiwan submarine cable Offset Keyed Quadrature Phase Shift Keying Operator Keyed Trouble Report Open License Ordered List (HTML tag) Other Line Overhead Line Operational Level Agreement On-Line Analytical Processing Object Library file OCU Loop Back One Line Business On-Line Bibliography Optical Loop Carrier On-Line Complex Processing

OLCR OldRT OLE OLE OLE2 OLEC OLFR OLHB OLI OLIP OLIT OLIU OLL OLM OLNS OLO OLP OLP OLR OLR OLRT OLS OLS OLS OLS OLS OLSOA OLT OLT OLT OLTE OLTM OLTM OLTP OLTS olwm OM OM OM OM OM OM OM OM OM OM OM-1 OM2 OMA OMA OMAP OMAP OMASE OMAT OMB OMBE OMC OMC OMC OMD

On-Line Character Recognition Old ed Table Object Linking and Embedding Originated Local Exchange Object Linking and Embedding 2 Other Local Exchange Carrier On-Line Facility Registration Outgoing Line History Block Originating Line Information Originating Line Information Parameter OPEN LOOK Intrinsics Toolkit Optical Line Interface Unit Open-Loop Loss Overload Message Originating Line Number Screening Other Licensed Operator On Line Processor Originating Line Privileges Off-Line Recovery Overall Loudness Rating On-Line Real-Time On-Line Service Operator Load Simulator Optical Line System Originating Line Select Originating Line Selection Over-Load Safe Operating Area (Power Semiconductors) Optical Line Terminal Optical Line Termination Optical Line Terminator Optical Line Terminating Equipment Optical Line Terminating Multiplexer Optical Line Termination Module On-Line Transaction Processing, Optical Line Transmission System Open Look Window Manager DDOC Section: Operational Measurements ISO country code for Sultanate of Oman Object Manager Object Model Old Man (radio amateur) Operational Measurement Operations Management Originating Marker Output Message Output Message Manual Open MPEG-1 Operational Measurements Integrity Check Open Management Architecture (3Com) Organizational Mission Analysis Operations, Maintenance and istration Part Operations, Maintenance, and istration Protocol (SS7) Operations and Maintenance Application Service Element Operational Measurement Analysis Tool Outgoing Message Buffer Outgoing Message Buffer Empty OM Collector Operating and Maintenance Centre Operations and Maintenance Center Object Model Development

OME OMF OMF OMF OMF OMF OMF OMFS OMG OMI OMI OMI OMID OML OML OML OML OML OML OMMO OMNCS OMNI OMNIPoint OMO OMP OMP OMP OMPI OMPR OMQ OMR OMR OMRS OMS OMS OMS OMS OMSP OMS-V OMT OMT OMT OMT OMT OMTool OMU OMU OMU OMUP ON ON ON ON ON ONA ONA ONAC ONAL ONAT ONC

Open Messaging Environment Object Management Framework Object Management Function Object Manager Framework Object Model Format file Object Module Format Open Message Format Office Master Frequency Supply Object Management Group Open Microprocessor Initiative Optical Modulation Index Organisation Maritime Internationale Operational Measurement ID Object Manipulation Language Object Model Library OPEN Modeling Language Operations and Maintenance Link Outgoing Matching Loss Overload Messaging Limit Object Manager Managed Object Office of the Manager, National Communications System Open Management Network Interoperability Open Management Network Interoperability Point OEM Modules Operation Open Management Platform Operations and Management Platform Outbound Modem Pooling Organisation Mondiale pour la Propriété Intellectuelle Operational Measurements Print Outgoing Message Queue Optical Mark and Read Optical Mark Reader Operational Measurement Reporting System Object Management System Open Management System Optical Multiplex Section Outgoing Memory Slot Optical Multiplex Section Protection Open Management System-Vector Object Modeling Technique Operation and Maintenance Terminal Original Message Type OrthoMode Transducer Overhead Message Train Object Modeling Tool Operand Modifier Unit Operation and Maintenance Unit (Nokia) Optical Multiplexer Unit Operation and Maintenance Part Order Number Originating Number Ortsnetz (Local Network) Österreichisches Normungsinstitut (A) Postal code for Ontario Open Network Architecture (ISO) Open NM Arch (IBM, FCC, BOC, BT) Operations Network istration Center Off-Network Access Line Originating No Answer Timer Off-Net Calling

ONC ONC ONC ONC ONC ONC+ ONC-A OnCE ONE ONE ONE ONE ONE ONE ONI ONI ONI ONI ONID ONKZ ONKz ONLN ONMA ONMS ONP ONP ONP ONP ONP ONPS ONS ONSD ONT ONTC ONU ONU OO OO O-O OOA OOAD OOB OOBE OOBF OOC OOC OOD OODB OODBMS OODLE OOE OOF OOF OOK OOK OOK OOL OOLR OOO OOP

ONMS Node Commander Open Network Computing Operator Network Center Operator Network Console Ordinary National Certificate Open Network Computing Plus Operator Network Center-A On-Chip Emulation One Number Open Network Environment Open Networks Engineering Optical Network Optimized Network Evolution Other Network Entity ODS Nucleus Interface Open Network Interconnect Operator Number Identification Optical Network Interface Operator Number Identification National Destination Code Ortsnetzkennzahl (Local Exchange/Area Dialing code) Online Open Network Management Architecture Optimized Network Management System Address complete, subscriber Free, Charge One Night Process On-Premise Extension Open Network Provision(ing) Open Numbering Plan Origin of Number and Presentation Status Open Network Service Optional Network Specific Digit Optical Network Termination Optical Networks Technology Consortium Optical Network(ing) Unit Organisation des Nations Unies Object-Oriented Operator Office Object-Oriented Object-Oriented Analysis Object-Oriented Analysis and Design Out-of-Band Out-of-Box Experience Out-of-Box Failure Optical Orthogonal Codes Overseas Operator Center Object-Oriented Design Object-Oriented Database Object-Oriented Database Management System Object-Oriented Design Language Organizations Outside ETSI Object-Oriented Framework Out of Frame On Off Keying (ASK) On/Off Keying On-Off Keyed Object-Oriented Language Overall Objective Loudness Rating Out Of Order Object-Oriented Programming

OOPL OOPM OOPS OOPSLA OOR OOR OOR OOR OORP OORTL OOS OOS OOS OOSA OOSD OOSE OOSP OOST OOST OOT OOT OOTC OOUI OOZ OP OP OP OP OP OP OPA OPA OPAC OPAC OPAL OPAL OPC OPC OPC OPC OPC OPC OPC OPCN OPD OPDU OPE OPEN OpEN OPEN OPI OPID OPL OPL OPLL OPM OPM OPM OPM OPN

Object-Oriented Programming Language Object Oriented Process Metric(s) Object-Oriented Programming System Object-Oriented Programming Systems, Languages, and Applications Object-Oriented Representation Object-Oriented Requirements Operator Override Operator Override message Object-Oriented Rapid Prototyping Object-Oriented Run-Time Library Object-Oriented Systems Out Of Service Out of Synch Object-Oriented Systems Analysis Object-Oriented Software Development Object-Oriented Software Engineering Out-of-Service Permanent Out-of-Service Temporary Out-of-Service Time Object-Oriented Technique Object-Oriented Technology O-O Technology Center (IBM) Object-Oriented Interface Out Of Zone Off-Premises Operate Operator Originating Party Originating Protocol Outside Plant Operator System Access Origin Protocol Agent Online Public Access Catalog Outside Plant Access Cabinet Optical Access Line Optische Anschlussleitungen (DBPT-defined FITL system) Operations Controller Operations Position Controller Organic Photoconductor Originating Point Code Origination Point Code Outgoing Peg Count Output Port Controller Operation Condition message Oberpostdirektion (DBPT regional operations area) Operation Protocol Data Unit Outside Plant Module Equipment Object-oriented Process, Environment and Notation Open Protocol Embedded Networking Open Protocol Enhanced Networks Open Prepress Interface OPerator Identity DTMF Outpulsing to a Line Originating Packet Limit Optical Phase-Locked Loop Operations Per Minute Optical Power Meter Optical Protection Module Outside Plant Module Open

OPND OPOTS OPP OPP OPP OPR OPR OPR OPR OPRF OPRN OPS OPS OPS OPS OPS OPS OPS OPS/INE OPS/INE OPSC OPSE OPSIC OPSK OPSM OPT OPTS OPUS OPX OQAM OQL OQPSK O-QPSK OQSM OR OR OR OR OR OR OR OR0 OR1 OR2 OR3 ORA ORA ORA ORB ORB ORB ORC ORC ORCC ORD ORDB OREP org ORG ORI

Outpulse Number Digits OCTAVE POTS Office of Plans and Policy Open Position Protocol Operator Position Protocol Office Performance Report Operate Operator(s) Optical Pattern Recognition Override Presentation Restrictions on Forwarding DN Originating Private Number Off-Premise Station Open Profiling Standard Operations Per Second Operations System Operator Services Operator System Outgoing Packet Size Operations System for Intelligent Network Elements Operations System/Intelligent Network Element Optical Protection Switching Controller Operation Protocol Service Element Operators Identification Code Offset Phase Shift Keying Outside Plant Subscriber Module Optional OCTAVE PTS Object-Oriented PROTEL-2 System Off-Premises Extension Offset Quadrature Amplitude Modulation Object Query Language Offset Quadrature Phase-Shift Keying Offset Quadrature Phase Shift Keying OCTAVE Query Set Manager Office Regenerator Office Repeater Operator Released Option ORdinary Meeting (ETSI) Originator/Recipient U.S. postal code for Oregon Option 0 Option 1 Option 2 Option 3 Opportunities for Rural Areas (EC R&D programme) O'Reilly & Associates Override Restrictions Allowed Object Request Broker Office Repeater Bay Omnidirectional Radio Beacon Object Responsibility Collaboration Originating Rate Center Originating Rate Center Code Override Restrictions Denied Operator Reference Database Optical Repeater Equipment Miscellaneous organizations domain Origination Utility Operation or Result Identification

ORICO ORIG ORIGDN ORJ ORJGEN ORL ORL ORM ORM ORMA OROM ORPC ORR ORR ORS ORS ORT ORU OS OS OS OS OS OS OS OS OS OS OS/2 OS/NE OS/NMS OSA OSA OSA OSA OSA OSA OSA-A OSAC OSAC OSAF OSAL OSA-P OSB OSB OSB OSBCM OSC OSC OSC OSC OSC OSC OSC OSC OSCA OSCA OSCAR OSCAR OSCAS

ORadio Interface CardO Origination Originating DN Operator Requested Job Operator Requested Job Generator Olivetti Research Laboratory Optical Return Loss Optical Remote Switching Module Optically Remoted Module Optical Reservation Multiple Access Optical Read-Only Memory Object RPC Office Release Record Original Redirection Reason Operations Readiness Solutions Output Record Separator Optical Receiver Transmitter Office Repeater Unit Operating System Operation(s) System Operator Service(s) Operator System Optical Sender Originating Service Originating Subaddress Origination Service Out of Service Output Signal Operating System/2 Operations System to Network Element Operation System/Network Management System Office System Architecture Open Scripting Architecture Open Systems Architecture (Olivetti) Operator System Access Optical Society of America Optical Spectrum Analyzer Operator System Access- Alternate Access Operator Speed of Consistency OSSAIN Centralization Origin Subarea Field OAM Services Access Layer Operator System Access- Principle Access Office Shortcut Bar Optical Switch Board Output Signal Balance Operator Services Basic Call Model Object Server Connectivity Ohio Supercomputer Center Operating System Command Operator Service Call Operator Service(s) Center Operator Services Client Operator Services Complex Oscillator Open Systems Cabling Architecture Operations System Computing Architecture Orbit Satellite Carrying Amateur Radio Orbiting Satellite Carrying Amateur Radio Operator Services/Separations Call Analysis System

OSCI OSD OSD OSD OSD OSDE OSDL OSDS OSDT OSF OSF OSF OSF OSF OSF OSF OSFP OSHA OSHA OSI OSI OSI/NMF OSIA OSIA OSI-ALS OSIE OSIMIS OSIMIS OSIN OSINL OSIRM OSI-RM OSITOP OSITOP OSI-TP OSL OSL OSLP OSM OSM OSM OSM OSM OSM OSM OSMINE ments OSN OSN OSN OSN OSN OSNA OSNL OSNM OSNR OSNS OSO OS-OPAL OSP

Open Service Control Interface On-Screen Display Open Software Distribution Optical Scanning Device OSI Session Driver On-Site Data Evolution Object-Oriented SDL Operating System for Distributed Switching Operations Systems Demonstration Tools Offset Field Open Software Foundation (USA) Open Systems Foundation Operation System Functions Operations System Function Operations Systems Functions OS' Functional Block Offset Field Parity Occupational Safety and Health Act (USA) Occupational Safety and Health istration (USA) Open Switching Interval Open Systems Interconnection Open Systems Interconnection/Network Management Forum Operation System Impact Analysis OSI Architecture OSI Application Layer Structure Open Systems Interconnection Environment OSI Management Information Service OSI Management Information System OSI Network Layer Control Protocol OSI Network Layer Control Protocol Open Systems Interconnection Reference Model Open Systems Interconnection Reference Model Open Systems Interconnection Technical and Office Protocol OSI Technology and Office Protocols Open Systems Interconnection-Transaction Protocol Object Library Operating System Independent Layer Operations Service Logic Program Office of Spectrum Management Off-Screen Model On Screen Manager On Site Message Organization Structure Manager Originating State Machine OS-Specific Module Operations System Modifications for the Integration of Network Ele Observational Standard Number Office System Node (DIA/SNADS) Operating System Nucleus Operations System Network OSSAIN Node Open Service Network Architecture Operating System Nucleus Language Operator Services Node-Maintenance Optical Signal-to-Noise Ratio Open Systems Network (SNA) Originating Screening Office Operations System for OPAL Fiber Optic Networks Online Service Provider

OSP OSP OSP OSP OSP OSP OSP OSPF OSPFv1 OSPFv2 OSPS OSQL OSR OSR1 OSR2 OSS OSS OSS OSS OSS OSS OSS7 OSSAIN OSS-C OSSDI OSSGR OSSI OSS-IA OSSU OST OST OST OST OSTC OSTR OSTT OSTTP OSU OSVR OSWS OT OT OT OT OT OT OT OT OTA OTA OTA OTA OTAR OTAU OTC OTC OTC OTC OTC OTC

Open Services Platform Open Signal Processor Operator Service Provider Optical Storage Processor Originating Service Provider Other Service Provider Outside Plant Open Shortest Path First (IETF/T/IP) OSPF Version 1 OSPF Version 2 Operator Services Position System Object-oriented Structured Query Language Operator Services Record OEM Service Release 1 OEM Service Release 2 Operation Subsystem Operational System Operations System Operator Service(s) Signaling Operator Services Switch Operator Services System Operator Services Signaling Using Signaling System No. 7 Operator Services System Advanced Intelligent Network Operator Services Steering Committee OSS Data Interface Operator Services Systems Generic Requirements Operations Systems Interface Operational System Integration Architecture Operator Services Switching Unit Office of Science and Technology Operating System Trap Originating Station Originating Station Treatment Open Systems Testing Consortium Operator Services Trouble Report Open Systems Technology Transfer OS Technology Transfer Program (UK) The Ohio State University Operator Service Voice Response Operating System Workstation Object Table Object Technology ObjecTime Operation Type Operator Terminal Optical Translator(s) Originating Time Overtime Office of Technology Assessment Operational Transconductance Amplifier Operation-Triggered Architecture Over-the-Air Activation Over the Air Registration Optical Test Access Unit Old Table Control One Time Charge Operating Telephone Company Originating Toll Center Outgoing Throughput Class Overseas Telecommunication Commission

OTC OTD OTD OTDM OTDR OTE OTER OTF OTF OTF OTF OTG OTGR OTH OTH OTH-B OTI OTI OTL OTM OTM OTOH OTOR OTP OTP OTP OTP OTP OTP OTQ OTR OTR OTR OTS OTS OTS OTS OTS OTSR OTSS OTSS OTTO OTUG OTW OU OUB OUI OUP OUPI OURS OUSP OUT OUT OUTDN OUTIN OUTPUT OUTS OUTWATS OUTWATS OV

Terminating Carrier Identification Observations of Time Differences Observed Time Differences Optical Time Division Multiplexing Optical Time-Domain Reflectometer Hellenic Telecommunication Organization Operator Team Efficiency Ratio Object Testing Framework On-The-Fly Open Token Foundation Optical Transfer Function Originating Trunk Group Operations Technology Generic Requirements Other Trunk Over The Horizon Over-The-Horizon Backscatter (Military Radar) Object Technology International Inc. Outgoing Trunk Identifier OSI Testing Liaison group Object Transaction Manager Optical Terminal Multiplexer On the other hand Omni Transmit, Omni Receive Office of Telecommunications Policy One Time Pad One Time One-Time-Programmable (IC-Device, Memories) Open Telecom Platform Open Trading Protocol Outgoing Trunk Queuing Operational Trouble Report Operator Trouble Report Optical Transmitter and Receiver Object Transaction Service Office Traffic Summary Operator Telephone System Optical Transmission Section Orbital Test Satellite Omni Transmit, Sectored Receive Off-The-Shelf System OS Transport and Session (SNA) On-line Transmission Time Optimizer (SNA) Object Technology s Group Occasional Trainer Workshop Organization Unit Occasionally Used Bands Organizationally Unique Identifier Originating Prompter Originating Participant Information Open Recommended Solutions Originating Service Participant Object Under Test Remove service Delete block of DNs, RCF OUTput and INput workstation OUTPUT only workstation Originating Utility Telemetry Service Outward Wide Area Telecommunications Service Outward Wide Area Telephone Service Optional Variable Length

OV OVCC ÖVE OVEC OVED OVF OVFL OVFLINQ OVFPT OVFREG OVFTRT OVFTRTPM OVID OVIDE OVL OVLD OVLD OVLP OVLY OVP OVS OVS OVSt ÖVSV OW OW OW OWATSBLN OWATSCB OWATSSCR OWC OWF OWFBD OWG OWL OWMT OWS OWS OWST OWT OWT OX OXC OXCN OXCO oz

Overvoltage Open Via Chip Carrier (VLSI Package) Österreichischer Verband für Elektrotechnik (A) Originating Vector Coordinates COSOVE Code Digits Overflow Overflow Incoming Overflow Queue Overflow Point Overflow Overflow Treatment Overflow Treatment, Packet-Mode Object View Interaction Design Organization of Videotex for Information of Deputies in Europe Overlay Files Overload Overload message Overlap Outpulsing Overlay Over Voltage Protection Open Video Systems Overseas Ortsvermittlungsstelle (local exchange/local switch) Österreichischer VersuchsSender Verband (A) ObjectWorks Open Wire Order Wire OUTWATS Billing Number OUTWATS Call-by-Calling Billing Records OUTWATS Screening Sets One-Way Communication Optimum Working Frequency OUTWATS Full Business Day Optical Wave Guide ObjectWindows Library OUTWATS Measured Time Operator Work Station Outgoing Window Size ObjectWorks/Smalltalk Operator Work Time OUTWATS Originating Switch Complex Optical Crossconnect Optical Cross-Connect Oven-Controlled Crystal Oscillator ounce(s) weight, approx. 28.3 g

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Paragraph (HTML tag) Parallel Parity Pending Peripheral side pico (10-12) Planning Point

P P P P p P P P P P P P P P P P P p P P P P&A P&E P&L P&L P&S P(R) P(R) P(S) P(S) p.e.p. P/A P/AR P/C P/F P/F ration) P/PC P/S P1 P1 to P5 P1FCC P2 P2 P2MET-D P2P P2SC P3P PA PA PA Pa PA PA PA PA PA PA PA PA

Poll Poll bit Positive Power (in dB) power (in watts) Predicted (frame) Predictive Preload Presentation Presentation Layer Presentation Layer Service Primitive Priority proberen (Dutch for "to test") Processor Profile in data syntax II Prohibited Proportional Protocol Puncher Wait Privacy and Authentication Planning and Engineering Peripheral and Loading Profit and Loss Publish and Subscribe Packet Receive Sequence Number Packet Receive sequence number Packet Send Sequence Number Packet Send sequence number peak envelope power Programmer/Analyst Peak-to-Average Ratio Primitive/Constructed Poll/Final Poll/Final bit (0 = Unacknowledged Operation; 1 = Acknowledged Ope Palm-Size PC Parallel-to-Serial Number of -Assigned Packet Control TEI Values Compatible Photographic Profiles, numbered 1 to 5 Phase 1 First Call Configuration Number of Switch-Assigned Packet Control TEI Values PROTEL-2 Protel-2 Metrics Generation Tool for Designers Point-to-Point IBM Power 2 Super Chip Platform for Privacy Preferences Project ISO country code for Republic of Panama Paging Area Paper Pascal(s) Path Peripheral Adapter Peripheral Applications Personal Agent Physical Agreement Portable Application Power Amplifier Preamble

PA PA PA PA PA PA PA PA PA PA PA PA PAA PAA PAA PAB PAB PAB PABX PAC PAC PAC PAC PAC PAC PAC PAC PAC PAC PAC PAC PAC PACA PACCH PACDAC PACE PACE PACE PACES PACET PACK PACK PACKET PAC-OS PACS PACS PACS PACS PACS PACS-L PACS-UA PACS-UB PAC-T ntrol process PAD PAD PAD PAD PaDIUC

Pre-Arbitrated Precision Architecture Primary Access Process Alive Program Address Protocol Abnormality Protocol Agent Protocol Analyzer Public Address Public Address system Pulse Amplifier U.S. postal code for Pennsylvania Paging Area controller Address Policy Approving Authority Protocol Analysis Application Personal Address Book file Phase Aligned ive Bus Protel Advisory Board Private Automatic Branch Exchange ETSI Programme Advisory Committee Paging Area Controller Parallel Access Circuit Perceptual Audio Coder Perceptual Audio Coding Personal Acoustic Control Platform Adaptor Component Point-and-Click Privilege Attribute Certificate Program Address Counter Programme Advisory Committee (ETSI) Prompted Automatic Callback Protection Against Collision Priority Access and Channel Assignment Packet-Associated Control Channel Packet DAC Performance (Inc.) Advanced CMOS Engineering (High-Speed IC) Priority Access Control Enabled Product Assurance Component Engineering Product and Component Enterprise System Programmable Attendant/Agent Console and Electronic Telephone Package Positive Acknowledgement Layer two entity comprising ACW and any following DCWs transmitted as a single unit over which the s Paging Area Controller- Operating System Patch istration Control System Personal Access Communications Services Personal Access Communications System Picture Archiving and Communication System Picture Archiving and Communication System (Siemens) Public Access Computer Systems List PACS-Unlicensed A PACS-Unlicensed B the part of the Paging Area Controller dealing with the Traffic co Packet Assembler/Disasssembler Packet Assembly/Disassembly Packet Assembly/Disassembly facility (CCITT Rec. X.3, X.28, X.29) Padding Parlace and Digitalk International s Conference

PADN PAE PAF PAF PAG PAG PAGCH PAGCH PAGE PAGE PAI PAIH PAIS pal PAL PAL PAL PAL PAL PAL PAL PAL PAL PAL PALA PALC PALplus PAM PAM PAM PAM PAM PAM PAMA PAMA PAMR PAMS PAN PAN PANS PANS PANS PANS PANS PAP PAQ PAQ PAQS PAR PAR PAR PAR PAR PAR PAR PAR PAR PAR PAR PARADISE

Patch istration and ing Parameter Arrival Element Problem Already Fixed Project Application Form Program istration Group Project Advisory Group Packet Access Grant Channel Paging and Access Grant Channel PABX Access for GSM Extensions PM Automation Generic Environment Protocol Addressing Information Public-Access Internet Host Public-Access Internet Site Packet Links Paradox Application Language Participant's ACT Lost Phase Alternate Line (analogue TV system) Phase Alternating Line Phase Alternation by Line Phase Alternation Line Phase-Alternation Line Product Application Letter Programmable Array Logic (Monolithic Memories Inc.) Public Access Line Precedence Access Limitation Announcement Plasma-Addressed Liquid Crystal widescreen variant of PAL system Partition to Antenna Mapping Along Message Personal Application Manager Pluggable Authentication Module Power and Alarm Module Pulse Amplitude Modulation PreAssigned Multiple Access Pulse Address Multiple Access Public Access Mobile Radio Preselected Alternate Master-Slave Personal Area Network Public Addressed Node Peculiar and Novel Services Potentially Attractive New Services Pretty Amazing New Services Pretty Amazing New Stuff Pretty Awesome New Services Authentication Protocol Parameter Arrival Queue Personal Agent Queue Provisioning Automated Quotation System PARameter Parity Peak-to-Average Ratio Periodic And Random deviation PNNI Augmented Routing Positive Acknowledgement and Retransmission Precission Approach Radar Programme Aid Routine Programme d'Action de Recherche Project Authorization Request ProSTAR Analysis Report Piloting A ReseArchers DIrectory Service in Europe

PARB PARC PARC PARG PARI PARI PA-RISC PARK PARK{y} PARM PARM PARMCAII mework PARS PARS PARS PartMan PARTS PAS PAS PAS PAS PAS PAS PASC PASC PASM PASP PASP PAT PAT PAT PATC PATED PATH PATROL PATS PATU PAU PAWL PAWS PAWS PAX PB PB PB PB PB PB PB PB PB PB PB PB PB PBA PBA PBA PBAC

Process Architecture Review Board Palo Alto Research Center (Xerox) Paragraph Control Element Play, Acquire. Recognize, Get DTMF Primary Access Rights Identity Primary ARI Precision Architecture-Reduced Instruction Set Computing Portable Access Rights Key PARK with value y for it's park length indicator Parameter Parameter ing Process Alive + Role Mapping + Content Alignment + Interactive Fra Personal Advanced Radio System Personal Audio Response System Personalized Audio Response System Partition Manager Parts Assembly and Reuse Tool Set Personal Access Service Personal Access Services Product istration System Protected Application Segment Public Access Service Publicly Available Specification PCS Access Service for Radio Controllers PCS Access Services for Controllers Protocol Adaptable State Machine PCS Access Services for Ports PCS Access Services for Radio Ports Post Announcement Treatment Productization Architecture Team Program Association Table Page Address Translation Cache Prefix Analysis and Task Element Determination Program on Advanced Technology for the Highway Program for istrative Traffic Reports On-Line Parameterized Abstract Test Suite Pan African Telecommunications Union Pause message Public Access Workstation Laboratory Protection Against Wrapped Sequence Numbers Provisioning Analyst Workstation System Private Automatic Exchange Packet Bus Paddle Board Parameter Block Parity Block check Personal Base Station Pipeline Burst Play Back Power Box PowerBuilder Proportional Bidding Provisioned B-Channel Public Number Pushbutton Physical Block Address Printed Board Assembly Provider Based Address Peripheral Bus Access Controller

PBC PBC PBC PBC PBC PBC PBC PBCCH PBDK PBE PBE PBF PBGA PBI PBI PBITS PBK PBL PBM PBM PBM PBM PBN PBO PBO PBPVACC PBS PBS PBS PBsy P-BSY PBT Pbus P-BUS PBW PBX PBX PBX PBX(PABX) PC PC PC PC PC PC PC PC PC PC PC PC PC PC PC PC PC PC PC PC PC

Peripheral Board Controller Peripheral Bus Computer Physical Bearer Channel Physical Bearer Connection Postal Business Center Program Booking Center Programming By Contract Packet Broadcast Control Channel PowerBASIC Developer Kit P-Bus Extender Preferred Binary Encoding Proportionate Bidding Facility Plastic Ball Grid Array Phone Based Interface Profiler Batch Input file Pac Bell Integrated Test System Phone Book file Private Business Line PBX Message Rate PBX Message Physical Bus Maintenance Portable Bitmap Packet Based Network Profile-Based Optimisation Profiler Batch Output file Public-to-Private Access Code Personizable Basic Service Portable Base Station Public Broadcasting System P-Side Busy Peripheral Side Busy -Band Tuning (Radio Communications) Processor Bus Processor Bus Power Band-Width PBX Flat Rate Private Branch Exchange Private Business Exchange Private Automatic Branch Exchange Paddle Card Paper Cassette Parameter Combination Path Control Peg Count Peripheral Control Peripheral Controller Personal Computer Personality Card Physical Connection Point Code Point Coordinator Power Control Power Converter Precision Control Preset Conference Primary Center Printed Circuit Priority Call (TETRA) Priority Control Private Circuit

PC PC PC PC PC PC PC PC PC/AT PC/S PC/T PC/XT PCA PCA PCA PCA PCA PCA PCA PCA PCA PCA PCA PCA PCA PCAA PCAC PCAM PCB PCB PCB PCB PCB PCB PCBA PCBC PCBM PCC PCC PCC PCC PCC PCC PCC PCC PCC PCC PCCA PCCAB PCCB PCCH PC-COE PCCU PCD PCD PCD PCD PCD PCD PCDDS

Process Control Program Commit Program Complete Program Counter Programming Committee Protection Channel Protocol Capabilities Protocol Control Personal Computer/Advanced Technology Personal Computer/Standard Personal Computer/Tape Personal Computer/eXtended Technology Personal Communicating Assistant Policy Certification Authority Policy Creation Authority Port Channel Address Power Control and Alarm Printed Circuit Assembly Privacy Change Allowed Process Component Architect Product Content istration Product Content Application Protective Connecting Arrangement Protocol Conformance Analyzer Protocol Conformance Application Portable Computer and Communications Association Point Code Allowed Control Packaged Core Auxiliary Module Party Control Block Person Call Back Printed Circuit Board Process Control Block Protocol Control Block Public Coin Box PCB Assembly Plaintext Cipher Block Chaining Packaged Core Basic Module Parallel Connection Control Permanent Consultative Committee Personal Companion Computer Philips Consumer Communications Plastic Chip Carrier Power Control Channel Primary Circuit Components (Power Line) Process Control Computer Pseudo Country Code Punctured Convolutional Code Portable Computer Communications Association Prefetcher with Circular Content Addressable Buffer Product Configuration Control Board Physical Control Channel PC-Common Operating Environment Personal Computer Communication Unit Page-Level Cache Disable Personal Communication Device PhotoCD PhotoCD File Picture Coding Delimiter Program-Counter Calculation and Decoding Private Circuit Digital Data Service

PC-DOS PCE PCE PCE PCF PCF PCF PCFSK PCH PCH PCH PCH PCHK PCI PCI PCI PCI PCI PCI PCI PCI PCI PCI PCI PCIA PCIB PCID PCIM PCIU PCL PCL PCL PCL PCL PCL5 PCLID PCLM PCM PCM PCM PCM PCM PCM PCM30 PCMCIA PCME PCMF PCMI PCMM PCMS PCMS PCN PCN PCN PCN PCN PCN PCN PCN PCNE

Personal Computer Disk-Operated System (IBM Inc.) P Bus Checker Enable Picture Control Entity Position Controller Equipment Plastic Clad Fiber Point Coordination Function Portable Compiled Format Phase Continuous Frequency-Shift Keying Paging Channel Patch Subsystem Precompiled Header file PunCHer Parity Check Call Indicator Peripheral Component(s) Interconnect(ion) Personal Communications Interface Personal Communications Internetworking Personal Computer Interface Presentation Context Identifier Programmable Communications Interfaces Programming Communication Interface Programming Communications Interface Protocol Control Indicator Protocol Control Information Personal Communications Industry Association Personal Computer Interface Bus Product Content Identifier Packaged Core Interface Module Power Cabling Interface Unit Portable Channel List Printed Circuit Layout Printer Control Language Product CM Lineup Product Computing Module Load Printer Control Language 5 Port Client ID Packaged Core Line Module PC Magazine (periodical) Persistent Class Manager Personal Call Manager Plug-Compatible Manufacturer Pulse Code Modulation Punched Card Machine CEPT 30-channel PCM carrier system Personal Computer Memory Card International Association Packet Circuit Multiplication Equipment Persistent Class Manager Framework Photo-Chromic Micro Image Packaged Core Memory Module Power Control and Monitoring System Product Configuration Management System Personal Cellular Network Personal Communications Network Personal Communications Service PointCast Network Preliminary Completion Notice Presentation of Calling Name Product Change Notice Public Carrier Networks Protocol Converter for Native X.25 Equipment

PCNE PCNM PCNP PCNT PCO PCO PCompI PCOS PCOS P P P P P P PC PM PS PT PCQ PCR PCR PCR PCR PCR PCR PCRT PCS PCS PCS PCS PCS PCS PCS PCS PCS PCS PCS PCS PCS PCS PCS PCS PCS PCS PCS1900 PCS911 PCSBSD PCSBSO PCSC PCSDEL PCSG PCSM PCSMWT PCSO PCSORG PCSREG PCSS PCSS PCT

Protocol Converter for Non-SNA Equipment (SNA) Packaged Core Network Module PC Network Program (IBM)-SNA) Public Carrier Networks Technology Percent Overflow Point of Control and Observation Parameter Compatibility Information Priority Class of Service Public Class of Service Peripheral Call Process Primary Control Program Primary Cross-connection Point Printed Circuit Pack Product Cost Performance Protocol Conversion Permission Point Code Prohibited Control Packaged Core Power Module Private Carrier Paging System Precise Call Progress Tone Per-Call Queue PC Resource (periodical) Peak Cell Rate Pont-to-Point SVC Cell Rate Portable Common Runtime Preventive Cyclic Retransmission Program Clock Reference Process Cross-Reference Table PC Services PC /400 Personal Call Screening Personal Communications Server Personal Communications Service Personal Communications Services Personal Communications System Personal Communicator System Personal Conferencing Specification Physical Coding Sublayer Plastic-Clad Silica Plastic-Clad Silica (Fibre Optics) Plesiochronous Connection Supervision Point Coordinated Station Power Conditioning System Preliminary Commercial Specification Processor Control System Professional Communication Society Personal Communications Service working at 1900 MHz PCS E911 Bell South-Only PCS Call Delivery Bell South-Only PCS Call Origination PCS Switching Center PCS Call Delivery Public Contracts Specialists Group Packaged Core Service Module PCS Message Waiting Power Control Safety Officer PCS Call Origination PCS Registration Personal Communications Satellite Service Programmable Cell Site Simulator Macintosh PICT File

PCT PCT PCT PCT PCT PCTA PCTE PCTF PCTJ PCTM PCTR PCTS PCTS PCU PCU PCU PCUG PCUP PCW P-CW PCWG PCWT PCX PCX PCXM PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD PD&T PD/CD PDA PDA PDA PDA PDA PDAD

Per Call Type Per CenT Private Communications Technology Protocol Conformance Testing Public Cordless Telephone Personal Computer Terminal Adapter Portable Common Tool Environment (MAP/TOP) Per-Call Test Failure PC Tech Journal (periodical) Packaged Core Trunk Module Protocol Conformance Test Report (ISO 9646) Public Cordless Telephone Service Public Cordless Telephone System Paging Control Unit Power Control Unit Primary Control Unit Preferential CUG Pipelined Cyclic Upstream Protocol PC World (periodical) PCS Call Waiting Personal Conferencing Work Group Precedence Call Wait Terminating PC Paintbrush File PC Paintbrush Format Packaged Core Expansion Module Packed Decimal Packet Data Parameter ing Partial Decorrelation Partial Dial Peripheral Device Permanent Data Personal Display Phase-Change Dual-Technology Photo Detector Photo Diode Photodetector Photodiode Physical Delivery Physical Design Polarity Detect Post Dialing Potential Difference Power Distribution PowerDrive Profile Directory Propagation Delay Protocol Discriminator Public Data Public Domain Pulse Dialling Pulse Duration Physical Design and Technology Phase-Change Dual/CD-ROM MDII: Partial Dial Abandon Personal Digital Assistant Power-Delay-Angle Process Deviation Authorization Programmable Digital Assistant Proposed DAD

PDAS PDATA PDAU PDB PDBCH PDBN PDBR PDC PDC PDC PDC PDC PDC PDC PDC PDC PDC PDC PDC PDC PDC PDCH PDCH PDD PDD PDD PDDA PDE PDE PDE PDE PDE PDE PDE PDEF PDES PDES PDF PDF PDF PDF PDF pdf PDFFA PDG PDG PDH PDI PDI PDIAL PDIF PDIL PDIL PDIP PDIP PDI-P PDL PDL PDL PDL

PCS Data Access Services POTS Data Unit Physical Delivery Access Unit Program Database Packet Data Broadcast Channel Parameter ing Bundled Notify Page Directory Base Page Description Communications ive Dispersion Compensator Personal Digital Cellular Personal Digital Communications Personal Digital Communicator Plaza Distribution Center Policy Drafting Party Power Distribution Cabinet Power Distribution Center Primary Domain Controller Processor Daughter Card Professional Developers' Conference Program Delivery Control Propagation Delay Counter Packet Data Channel Physical Data Channel Packet Mode Data Terminating on the D-Channel Post Dialing Delay Product Definition Document Physical Defined Display Area Page Directory Entry Parameter Departure Element Picture Data Entity Portable Data Entry (Unit) Presentation Data Element Product Development Environment Professional Development Environment Physical Design Exchange Format Product Data Exchange Standard (TOP) Product Data Exchange Using STEP Portable Document File Portable Document Format Post-Detection Filter Power Density Function Probability Density Function Product Description File Praesodymium-Doped Fluoride Fiber Amplifier Program Dependence Graph Program Dependency Graph Plesiochronous Digital Hierarchy Personal Data Interchange Picture Description Instruction Public Dialup Internet Access List Product Definition Interchange Format Partial Dial Plastic Dual-In-Line Plastic Dual In-line Package Plastic Dual-In-Line Package Path Payload Defect Indication Page Description Language Parameter ing Peripheral Diagnostic Language Program Description Language

PDL PDL PDM PDM PDM PDM PDM PDMA PDMA PDMA PDMX PDN PDN PDN PDN PDN PDN PDN PDN PDN PDN PDNP PDO PdO PDO PDO PDO PDP PDP PDP PDP PDP PDP PDP PDP PDP PDPS PDQ PDQP PDR PDR PDS PDS PDS PDS PDS PDS PDS PDS PDS PDS PDS PDS PDS PDSO PDSS PDT PDT PDT PDT

Project Description Language Project Description Language File Physical Data Model Physical Data Move Private Management Domain Pulse Density Modulated Pulse Duration Modulation Phase Division Multiple Access Polarisation Division Multiple Access Provisioning-Driven Memory istration Programmable Digital Multiplexer Packet Data Network Parameter ing Notification ive Distribution Network Plesiochronous Digital Network Positive Delivery Notification Power-DowN Premises Distribution Network Primary Directory Number Prime Directory Number Public Data Network Parameter ing Notification Process Packet Data Optimized Palladium Oxide Performance Design Objective Portable Distributed Object Portable Distributed Objects Packet Data Protocol Parallel Data Processing PDN Protocol Plasma Display Power Delay Profile Process Database Process Development Plan Programmed Data Processor Project Development Plan Product Definition Process and Solutions Parameter Departure Queue Project Development Quality Plan Physical Data Receiver Pulse Density Requirement Pack Driver Specification Partitioned Data Set Persistent Data Service Physical Delivery Service Physical Delivery System Planetary Data System Power Distribution Shelf Power Distribution System Premises Distribution System (ATT) Priority Distribution System Processor Direct Slot Program Documentation Standard Project Data Server Packet Data Security Overlay Procurement Decision System MDII: Partial Dial Timeout Pacific Daylight Time Performance Diagnostic Tool Physical Data Transmitter

PDT PDT PDT PDT PDT PDT PDT PDTC PDTE PDU PDU PDU PDU PDU PDU PDV PDV PDV PE Pe PE PE PE PE PE PE PE PE PE PE PE PE PE PE PE PE PE PE PE PE PE PE PE PE PE PE PEB PEB PEC PEC PEC PEC PECC PECR PECS PED PEDN PEDP PEE PEF

Portable Data Terminal Prefix Digit Translation Product Development Team Program Development Tool Project Development Tool Protel Development Tool Protel-2 Development Tool PCM-30 Digital Trunk Controller Packet Data Terminal Equipment Packet Data Unit Payload Data Unit Plug Distribution Unit Port Data Unit Power Distribution Unit Protocol Data Unit Performance Data Visualization Presentation Data Value Prozess-Daten-Verarbeitung Emergency Proving Period Emergency Proving Period ISO country code for Republic of Peru Packet leyer reference Event Parity Error Path End Pathend Peripheral Equipment Phase Encoded Phase Encoded (Digital Magnetic Disk/Tape Recording Format) Phase Encoding Physical Entity Pictorial Element Picture Element, pixel Picture Entity Port Enable Portable Executable Postal code for Prince Edward Island Presentation Element Probable Error Processing Element Processor Element Programming Enabled Protection Enable Protective conductor Protective Earth Public Enquiry (ETSI) Public Environment Peripheral Expansion Bus Process Environment Block Peak Digital Eye Closure Product Engineering Code Product Equipment Code Public Extension Circuit Product Engineering Control Center Pan European Cellular Radio Pan-European Cellular System Protocol Encoder/Decoder Pan-European Digital Network Public Environment Dial Plan Processing Element Emulator Preferred Executable Format

PEFS PEG PEG PEG PEGAD PEI PEI PEL PEL pel (pixel) PELV PEM PEM PEN PENBAL PENC s I PENCAN PENCII s II PEND PEo PEO PEO PEP PEP PEP PEP PEPR PER PER PER PERF Perl perl pero PERT PES PES PES PES PES PET PET PEt PETAR PETS PEV PEX PEX PEX-SI PF PF PF pf PF PF PF PF PF

Percentage Error Free Seconds Photographic Experts Group Process Engineering Group Public, Educational, or Governmental Access Permission Granted To Add Peak Emission Interval Progress Event Information Picture ELement Public Environment Element picture element Protective Extra Low Voltage Privacy Enhanced Mail Processing Entity Maintenance combined Protective conductor and Neutral conductor Peninsular Spain-Balearic Islands submarine cable Maximum Number of Protocol Errors Not Associated With A Call, Clas Peninsular Spain-Canary Islands submarine cable Maximum Number of Protocol Errors Not Associated With A Call, Clas Pending Order System Originating Pathend Polymorphic Embedded Object Professional Engineers Ontario Packet Ensemble Protocol Peak Envelope Power Preemptive External Priority Protocol Extension Protocol Physical End Point Reference Packed Encoding Rules Packet Error Rate Permission PERForator Practical Extraction and Report Language Practical Extraction and Report Language Parameter Entity Reference Open Program Evaluation and Review Technique Packetized Elementary Stream Percentage Errored Seconds Power and Environmental Systems Privacy Enhanced Sockets Proposed Encryption Standard Positron Emission Tomography PSTN Enhanced Trunk Terminating Pathend Pan European Television Audience Research Parameterized Executable Test Suite Peak Envelope Voltage Packet Exchange Protocol PHIGS Extension to X Window System PEX Sample Implementation ISO country code for French Polynesia Parameter Format Parity Flag Picofarad Power Factor Power Failure Power Feature Presentation Function Program Feature

PF PF PF PF PFA PFA PFA PFA PFA PFAC PFAR PFB PFBPSM PFC PFC PFC PFD PFE PFE PFEP PFG PFG PFI PFI PFIX PFJ PFK PFM PFM PFM PFM PFN PFN PFN PFN PFP PFQ PFR PFR PFR PFS pFS PFSR PFT PFX PFX PFXA PG PG PG PG PG PG PG PGA PGA PGA PGA PGA PGC

Programmable Function Protocol Family Pulse Frequency Punch ofF Packet and Frame Access Page Frame Address Perfluoralkoxy Project Assessment Protocol Fault Analyzer Private Facility Access P Bus Fault Address Provisional Frequency Board Protected Fixed Block Pool Store Manager Port Flow Control PowerBuilder Foundation Classes Protocol Field Compression Power Flux Density ive Feature Element Power Feed Equipment Programmable Front-End Processor PathFile Generator Private Facility Group Pbus-Fbus Interface Physical Fault Insertion Power Failure Interrupt Parts for Java Program Function Key Parameter Frame Management Printer Font Metrics Proto Flight Model Pulse Frequency Modulation Page Frame Number Physical Frame Number Pseudo Facility Number Pulse Forming Network Preemptive Fixed Priority Performance Questionaire MDII: Polarity Failure Periodical Physical Frame Sublayer Power-Fail Restart Physical File System Primary Frequency Supply P Bus Fault Status Page Frame Table Personal Information Exchange Prefix Prefix Announcement ISO country code for Papua New Guinea PaGe Paging Pattern Generator Peer Group Protective Ground Pulse Generator Page Always Pin Grid Array Pin Grid Array (VLSI Packaging) Professional Graphics Adapter (PC's) Programmable Gate Array Polynomial Generator Checker

PGC PGI PGID PGID PGL PGM PGM PGML PGN PGP PGP PGPS pgs PGS PGS PGTC PH PH PH PH PH PH PH PH PH Ph PH PH PH PHPHA PH-AI PHARE PHASE PhC PHC PHD PHd PH-DI PHF PHF PHGI PHI PHI PHIGS tandard) PHIGS PHIGS PHILSIN PHIU PHL PhL PHM PhM PHOTAC PHP PHP PHS PHS PhS

Positive Graphic Controller ("Paper-white" Screen) Parameter Group Identifier Peer Group Identifier Process Group ID Peer Group Leader Portable Graymap ProGraM Precision Graphics Markup Language Portable Game Notation Pretty Good Privacy Pretty Good Protection Packet Generalized Processor Sharing Pages Pair Gain System Professional Graphical system (IBM) Pair-Gain Test Controller Data Link Layer (Layer 2)-Physical Layer (Layer 1) Interface ISO country code for Republic of the Philippines Packet Handler Page Header Phantom Circuit Phase PHysical (layer) Physical Layer Physical Layer Service Physical Layer Service Prentice Hall Presentation Header Protocol Handler communication between data link layer and PHysical layer Protocol Handler for ATM Primitive Activate Indication Poland-Hungary Assistance on the Economic Reconstruction Philips Advanced Synchronous Equipment Physical Connection Positive High Current Permanent Hold Pocket Hard-disk Primitive De-activate Indication Packet Handler Function Packet Handling Function Programmer Hierarchical Graphics Interface Packet Handler access point Interface Packet Handler Interface PHotorealistic Interactive Graphic System (3-Dimensional Imaging S Programmer's Hierarchical Interactive Graphics Standard Programmer's Hierarchical Interactive Graphics System Philippines-Singapore submarine cable Packet Handler Interface Unit PHysicaL PHysical Layer (OSI) Packet Handling Module PHase Modulation Photo Typesetting And Composing Personal Handy Phone Pocket Handy Phone Personal Handy Phone System Personal Handyphone System PHysical Service

PHS PHT PHV PHY PHY PHY PHZ PI PI PI PI PI PI pi PI PI PI PI PI PI PI PI PI PI PI PI PIA PIA PIAS PIAT PIC PIC PIC PIC PIC PIC PIC PIC PIC PIC PIC PIC PIC PIC PIC pic PIC PIC PICB PICC PICH PICS PICS PICS PICS PICT PID PID PID PID

Portable HandSet Packet Hashing Table Protocol Handler for Voice Physical Physical Layer Physical Medium Dependent Sublayer Pre-Handover Zone Parameter Identifier Participant Information Pause Insertion Peripheral Interface Personality Interface Physical Interface Pica Picture Identifier Presentation Indicator Privacy Indicator Private Interface Process Instructions Processor Interface Product Improvement Product Integrity Program Identified Progress Indicator Protocol Identifier Protocol Interpreter Peripheral Interface Adapter Personal Information Appliance PCS Integrated Access Systems Peripheral Interface And Timer Payload Integrity Check Peripheral Interface Card Peripheral Interface Controller Personal Identification Code Personal Intelligent Communicator Plastic-Insulated Cable Point In Call Polyethelene Insulated Cable Polyolefin Insulated Cable Position-Independent Code Power Integration Coordinator Preferred Interexchange Carrier Pre-subscribed Interexchange Carrier Primary Interexchange Carrier Primary InterLATA Carrier Processing Instruction Close Programmable Interrupt Controller Protocol Implementation Conformance Peripheral Interface Control Bus Primary Interexchange Carrier Charge Pilot Channel Platform for Internet Content Selection Platform for Internet Content Specification Plug-in Inventory Control System Protocol Implementation Conformance Statement Macintosh Bitmap File Packet Identifier Parameter Identifier Identification Persistent Identifier

PID PID PID PID PID PID PId PID PID PID PID PIDB PIDL PIE PIE PIEEE PIER PIF PIF PIFS PIG PIG PIGI PIGUI PIH PII PIL PILOT PIM PIM PIM PIM PIM PIM-DM PIMRC PIM-SM PIN PIN PIN PIN PIN PIN PIN PIN PINC PINC PINCI PIND PIND Pine PINEC PING PING PINT PINX PINX PINX PIO pio PIO

Persistent Object ID Personal Information Delivery Portable Identification Code (=MIC+HIC) Private Identifier Process ID Process Identifier Process Identifier Processor Identification Processor Identification Proportional/Integral/Differential (Controller) Protocol Identifier Peripheral Interface Data Bus Pseudo IDL Product Information Environment Protocol Independent Environment Proceedings of the IEEE Procedures for Internet/Enterprise Renumbering Physical Interface Program Information File Point Coordination Function Interframe Space Practical Information Guide (ETSI) Process Improvement Group Processor Interface to Gigabit Interconnect Platform-Independent GUI Pin In Hole Pentium II PILot Pilot Directory Number Personal Information Management Personal Information Manager Process Information Model Protocol-Independent Multicast Pulse Interval Modulation Protocol Independent Multicast-Dense Mode Personal, Indoor and Mobile Radio Communications Protocol Independent Multicast-Sparse Mode Personal Identification Number P-Intrinsic Diode Positive material-Intrinsic-Negative material Positive-Insulator-Negative Positive-Intrinsic-Negative Procedural Interrupt Negative Public Infrastructure Network Public Initiating Node Preferred International Carrier Preferred International IC Indicator Preferred International Carrier Indicator Particle Impact Noise Detection PIN Digits Program for Internet News & Email Private Networks and Interexchange Carriers Packet Internet Groper Packet Internet Groper (test tool for Ethernet) PSTN and Internet Interworking Private Integrated Network eXchange Private Integrated Network Exchange Private Integrated Services Network Exchange Parallel Input/Output Processing Instruction Open Programmable Input/Output

PIO Pip PIP PIP PIP PIP PIP PIP PIP PIP PIP PIP PIP PIPO PIPO PIR PIR PIRS PIS PIS PIS PISN PISN PISO PISTOL PIT PIT PIT PIT PITCOM PIU PIU PIU PIV PixBlt pixel PIXIT PIXIT PJ PJC PJE PJL PJPEG PK PK PK PK PKCS PKCS PKCS PKE PKERN pkern PKI PKI PKIX PKMS PKP PKT PL

Programmed Input/Output "P" Internet Protocol Partners in Provisioning Peripheral Interchange Program Peripheral Interface Process Peripheral Interface Processor Personal Information Processor Picture in Picture Procedural Interrrupt Positive Product Integration Program Product Introduction Planning Product Introduction Procedure Proposed Implementation Plan Parallel-In Parallel-Out Platform-Independent Portable Objects Peak Information Rate Program Interrupt Request Personal Information Retrieval System (PC Data Base) Procedure Interrupt Signal Product Interface Specification Project Information Summary Private Integrated Services Network Private Integrated Services Networking Parallel-In Serial-Out IBM PC-based ISDN Test Tool Participant Information Time Personal Information Telecommunication Process Improvement Team Programmable Interval Timer Parliamentary Information Technology COMmittee (UK) Path Information Unit (SNA) Peripheral Interface Unit Plug In Unit Peak Inverse Voltage Pixel Block Transfer picture element Protocol Implementation Extra Information for Testing Protocol Implementation eXtra Information for Testing Pointer Justification Pointer Justification Count Pointer Justification Event Printer Job Language Progressive JPEG ISO country code for Islamic Republic of Pakistan Protection Key Protocol Kernel Public Key Public Key Crypto System Public Key Cryptography Standards Public Key Crypto-System Public Key Encryption Protocol Kernel Protocol Kernel Philips Kommunikations Industrie Public Key Infrastructure Public Key Infrastructure Working Group Public Key Management System Public Key Partners Packet ISO country code for Polish People's Republic (Poland)

PL PL PL PL PL PL PL PL PL PL PL PL PL PL&T PL/1 PL/1 PL/2 PL/I PL/M PL/M PL1 PL2 PL3 PLA PLA PLA PLACO PLAR PLAS PLATINUM PLB PLBP PLC PLC PLC PLC PLC PLC PLC PLC PLC PLC PLC PLC PLC PLCA PLCA PLCC PLCC PL PL PLD PLD PLD PLD PLE PLE PLGA PLGC PLI

PAD Length Parameter Length Party Line Path Loss Permanent Line Photoluminescence Physical Layer Planning Letter Precedence Level Presentation Layer (OSI) Private Line Programming Language Proprietary Link Programming Languages and Tools Production Level 1 Programming Language One Production Level 2 Programming Language One Programming Language for Microcomputers Programming Language for Microprocessors Proprietary Link 1 Proprietary Link 2 Proprietary Link 3 Physical Level Adapter Plex Load Appraisal Programmable Logic Array PLAnning COmmittee (ISO) Private Line Automatic Ringdown Private Line Assured Service Platform providing Integrated services to New s of Multimedia Personal Locator Beacon Packet-Layer Binary Parameters Permanent Logical Connection Physical Layer Control Planar Lightwave Circuit Plant Level Controller Positive Low Current Power Line Carrier (Telecommunication over power lines) Powerline Communication Power-Line Communication P-phone Line Card Private Leased Circuit Private Line Concentrator Product Line Center Programmable Logic Controller Personalized Local Calling Area Programmable Logic Cell Array Plastic Lead Chip Carrier Plastic Leadless Chip Carrier Physical Layer Convergence Procedure Physical Layer Convergence Protocol Partial Line Down Physical Line Drawer Power Line Disturbance Programmable Logic Device Path Length Efficiency Programmable Logic Element Plastic Land-Grid Array PCM-30 Line Group Controller Park Length Indicator

PLI PLIN PLIT PLK PLL PLL PLL PLL PLLC PL-LCD PLM PLM PLM PLM PLM PLM PLM PLMN PLMR PLMTS PLO PLO PLO PLOAM PL-OAM PLOP PL-OU PLP PLP PLP PLP PLPP PLR PLS PLS PLS PLS PLS PLS PLS PLS PLS PLSQ PLSQ PLT PLT PLTC PLTTY PLU PLU PLUS PLV PLV PLWS PM PM PM PM PM PM

Physical Layer Interface Point List Index Number Prohibit Line Insulation Testing Primary Link Permanent Logical Link Permanent Logical Loop Phase-Locked Loop Physical Link Sublayer Permanent Logical Link Connection Photoluminescent Liquid Crystal Display Path Label Mismatch PCM Level Meter Physical Link Maintenance Product Line Management Product Line Manager Pulse Length Modulation Pump Laser Module Public Land Mobile Network Private Land Mobile Radio Public Land Mobile Telecommunication Systems Permanent Lockout Permanently Locked Out Phase Locked Oscillator Physical Layer OA&M Physical Layer Operation and Maintenance Pattern Languages of Programs Physical Layer Overhead Unit Packet Layer Procedures Packet Layer Protocol Packet-Level Procedure Plug-Up Physical Layer Protocol Processor Pulse Link Repeater Personal Library Software Physical Layer Service Physical Layer Signalling (IEEE 802) Physical Signaling PhysicaL Signalling Prime Line Select Private Line Service Product Library System Program Load Segment Packet Layer Sequencing Packet Level Sequencing Parallel Lower Tester Procedure Linkage Table PCM30 Line/Trunk Controller Private Line Teletypewriter Service Partial Line Up Primary Logical Unit Peripheral Life Upgrade Strategy Presentation-Level Video Production Level Video Packet-Layer Window Size ISO country code for Saint Pierre and Miquelon Packet Mode Packet Multiplexer Performance Management Performance Monitoring Peripheral Module

PM PM PM PM PM PM PM PM PM PM PM PM PM PM PM PM PM PM PM PM PM PM11 PMA PMA PMA PMAC PMAN PMAP PMB PMB PMB PMBS PMBX PMBX PMC PMC PMC PMC PMC PMC PMC PMC PMC PMD PMD PMD PMD PMD PMD PMD PMDARI PMDB PMDB PMD-B PMD-D PMDE PMDEBUG PMDIPVCB PMDIVCB PMDVCB1

Person Month Personal Mobility Phase Modulation Photo Multiplier Physical Medium Picture Mode Post Meridian Power Management Presentation Manager Preventative Maintenance Preventive Maintenance Primary Maintenance Privacy Message Process Manager Process Monitor Processable Mode Profile Manipulation Project Management Project Manager (ETSI) Protocol Machine Pulse Modulation Processable Mode No. 11 Period Measurement with Additional Transition Detection Physical Medium Attachment Prompt Maintenance Alarm Performance Monitoring Adjunct Circuit Personal MOBITEX Access Number Personal Mobility Application Part Peripheral Module Busy Pilot Make Busy Processor-Memory Bus Packet Mode Bearer Service(s) Private Manual Branch Exchange Private Manual Branch eXchange PCI Mezzanine Card Peripheral Component Interconnect Mezzanine Card Peripheral Message Controller Personal Mobile Communicator Port Message Channel Printed Meter Check Private Meter Check Process Management Council Project Management and Committee department (ETSI) Packet Mode Data Packet-Mode Data Physical Layer Medium Dependent Physical Media Dependent Physical Media Dependent Layer (FDDI) Physical Medium Dependent Polarization Mode Dispersion Packet-Mode Data Aggregate Recording Interval Packet-Mode Data Billing Records Personal Mobility Database Packet Mode Data on the B-Channel Packet Mode Data on the D-Channel Peripheral Module Development Environment Peripheral Module Debug Packet-Mode Data Intercom PVC Calls Billing Records Packet-Mode Data Intercom Virtual Calls Billing Records Packet-Mode Data Virtual Circuits Billing Records for Type 1 Usage

PMDVCB2 PME PMEXEC PMF PMF PMFDA PMFJI PMH PMHS PMI PMI PMID PMIST PML PML PML PML PML PMLCD PMLT PMM PMM PMMA PMMU PMO PMO PMO PMON PMOS PMOSFET PMP PMP PMP PMP PMP P-MP p-mp PMR PMR PMR PMRO PMS PMS PMS PMS PMS PMS PMS PMT PMT PMT PMT PMT PMTS PMTS PMTU PMU PMVC

Packet-Mode Data Virtual Circuit Billing Records for Type 2 Usage Previous Message Error Peripheral Module Executable Program Parameter Management Frame Primary Master Format Packet Module File Data Access Pardon Me For Jumping In Protocol Message Handler Private Message Handling System Performance Monitoring Inhibited Peripheral Module International Portable Part MAC Identity Peripheral Module Intercept System Test Peripheral Messaging Link Peripheral Module Load Phone Markup Language Process Maturity Level Programmable Macro Logic ive-Matrix LCD Prohibit Mechanized Line Testing Period Measurement with Missing Transition Detection Personal Mobility Manager Polymethyl Methacrylate Paged Memory Management Unit Present Method of Operation Process Management Object Project Management Office Power Supply Monitor P-Channel Metal Oxide Semiconductor p-Type MOSFET Parallel Multi-Path Point-to-Multipoint Process Management Process Project Management Plan Protected Monitoring Point Point to MultiPoint Point-to-Multipoint Private Land Mobile Radio Private Mobile Radio Public Mobile Radio Pilot Measurement Request Order Pantone Matching System Performance Management System Permitted Maximum Signal Processor, Memory, Switch Production Management System Property Management Systems Public Message Service Personal Mobile Telecommunications Photomultiplier Tube Process Management Team (ETSI) Program Management Team Program Map Table Pruefen, Messen und Melden fur die DSt TS (Q-3 Based Testing, Measuring, and Recording for TS Service Center) Pruf-, Mess- und Meldesystem fur den Telekom Service (Q.3-based testing, measuring and recording for TS service centre) Path Maximum Transmission Unit PLL Management Unit Permanent Multicast Virtual Circuit

PMX PMX PMxAs PN Pn PN PN PN PN PN PN PN PN PN PN PN PN PN PN PN p-n PNA PNA PNA PNA PNB PnB PNC PNC-H PNC-H(DIV) PNC-H(FS) PNC-I PNC-OS PN PNCS PNC-T PND PND PND PND PNDDB PNE PNE PNE PNFC PNG PNI PNI PNI PNIC PNID P-NID PNLU PNM PNM PNNI P-NNI PNO PNOIG PnP

Packet MultipleXer (ISDN) Private Manual Exchange Primaermultiplexanschluss (Primary Access Unit) ISO country code for Pitcairn Island Normal Proving Period Packet Number Part Number Peripheral Node Permanent Nucleus Permanent Nucleus (CEPT) Personal Number Physical Network Polish Notation (Calculators) Private Network Pseudonoise Pseudorandom Noise Pseudo-Random Number Public Network Publication Note PuNch off Postive-Negative Packet Network Adapter Parallel Network Architecture Per Node Aggregator Phoneline Networking Alliance Pacific Northwest Bell Telephone Provisioning and Billing Paging Network Controller Paging Network Controller- Home Divert Adc's Home Paging Network Controller Fixed Subscriber's Home Paging Network Controller Paging Network Controller- Input Paging Network Controller- Operations System Peripheral Node Control Point (SNA) port Network Clock Synchronization Paging Network Controller- Transmit Personal Name Delivery Present Next Digit Private Network Traveling Class Mark Digits Public Networks Development Personal Name Delivery Database Parameter Notification Element Path Number Efficiency Présentation des Normes Européennes (CEN/CENELEC) Primal Network Flow Convex Portable Network Graphics Permit Next Increase Privacy Name Indicator Privacy of Name Indicator Private data Network Identification Code Precedence Network In-Dialing Precedence Network In-Dialing Public Network serving the Local Portable Any Map Pulse Number Modulation Private Network-Network Interface Private Network-to-Network Interface Public Network Operator Public Network Operators Interconnect Group Plug and Play

PNP PNP p-n-p PNQ PNR PNR PNS PNS PNT PNT PNVS PNWB PNX PO PO PO PO PO PO PO PO PO PO PO POA POA POACH POC POC POC POCE POCSAG POD PODP PODS POEEJ POF POF POF POFID POFS POGA POH POI POI POI POI POL POL POL POL POLL POM POM POMMO POMS PON PON POO POP

Positive-Negative-Positive Private Numbering Plan Positive-Negative-Positive Parameter Notofication Queue Private Network Record Private Number Rejection Personal Number Service Private Network Signalling Paint document file Private Network Termination Pilot Night Vision Sensor (Military Avionics) Pacific Northwest Bell Private Network Exchange Parameter Object Partial Outage Pending Order Persistent Object Post Office Presentation Object classes Primary Objective Protocol Object Protocol Operation Punch Purchase Order Portable Object Adapter Post Office Agent Personal computer On-A-CHip (ZyMOS Inc.) Point of Power-On Confidence Processor Outage Control Pantone Open Color Environment Post Office Code Standardisation Advisory Group Pay On Delivery Public Office Dialing Plan Plain Old Digital Services The Post Office Electrical Engineers' Journal (periodical) Pending Order File Plastic Optical Fiber Point of Failure Pending Order File Identifier Private Operational Fixed Services Pictures of Graph Algorithms Path Overhead Path Overhead Indicator Point of Initiation Point Of Interconnection (with PSTN) Point of Interface POLarisation Policy file Portable Originated Link Problem Oriented Language Polled Path Overhead Monitoring Persistent Object Manager Page OMMO Port Management System ive Optical Network Purchase Order Number Post Office Order Percentage of Ownership times Population of the market

POP POP POP PoP POP POP POP2 POP3 POPL POR POR POR POR POR PORS PORS POS POS POS POS POS Pos POS POS POS POSE POSI POSIX POSIX POSIX POSIX POSIX POSR POST POST POT POT POT(S) POTS POTS POTV POV POV POWER PP pp PP PP PP PP PP PP PP PP PP PP PP PP PP PP

Performance-Oriented Practice Picture Outside Picture Point of Presence Point of Presence Post Office Protocol Procedure-Oriented Practice Post Office Protocol 2 Post Office Protocol 3 Principles of Programming Languages Pacific Ocean Region (INTELSAT) Plan of Record Plan of Reorganization Point of Return Power On Reset Path-Oriented Routing Software Path-Oriented Routing System Packet Over SONET ive Optical Splitter Persistent Object Service Point of Sale Point of Synchronization Position Positive Priority On-Site service Programmable Option Select Portable Operating System Extension Promotion Conference for OSI Portable Operating System for computer environment (IEEE/UNIX) Portable Operating System Interface Portable Operating System Interface based on UNIX Portable Operating System Interface for Computer Environments Prortable Operating System Interface for Unix Private Operator Services Record Power On Set Test Power-On Self Test Plain Ordinary Telephone Point of Termination Plain Old Telephone (Service) Plain Old Telephone Service Plain Ordinary Telephone Service Plain Old Television Persistence of Vision Point of View Performance Optimization With Enhanced RISC Packet Pipe Pages Paper tape Punch Parallel Port Parlace Peripheral Processor Pointer Processor Point-to-Point PolyPropylene Portable Part Power Platform PowerPC Platform Preceding Page Preferred Plane Preplan Previous Page

PP PP PP PP p-p p-p PP1 PP2 PPA PPA PPA PPA PPB PPB PPBL PPC PPC PPC PPC PPC PPC PPC PPC PPC PPCH PPCS PPD PPD PPD PPDCI PPDF PPDN PPDTR PPDU PPDU PPE PPE PPE PPE PP-EOC pp-eoc PPF PPF PPFY PPG PPGA PPhone P-Phone PPI ambling PPI PPI PPI PPI PPI PPI PPIC PPIC PPICI PPID

Program Port Project Plan Protocol Processor Provisioning Point peak-to-peak Point-to-Point Power Platform, Type 1 Power Platform, Type 2 Physical Point of Attachment Plesiochronous Path Adaptation Position Probability Area (ship-navigation) Primary Physical Address Parts Per Billion Permanent Packet B Channel Peripheral Platform Base Library Packet Processing Complex Pay-Per-Channel Peak Power Control Portable Personal Computer PowerPC Pre-emptive Priority Call (TETRA) Prepaid Card Primary Point Code Pump Peripheral Controller Packet Paging Channel Person to Person Collect and Special Instruction Parlace-Digitalk Partial Packet Discard PostScript Printer Description Provisioning PSE Driver CI Programmable Pulse Driver/Formatter (High-Speed GaAs IC,Harris) Public Packet Data Network Preplanned Dynamic Traffic Routing Packet Data Protocol PDU Presentation Protocol Data Unit Packet Processing Element Personal Protective Equipment Primative Procedure Entity Primitive Procedure Entity Point-To-Point Embedded Operations Channel Point-To-Point Embedded Operations Channel Photosensitive Polymer Film Primitives Processing Function Post Programming Functional Yield (PAL Devices) Public Procurement Group Plastic Pin-Grid Array Proprietary Phone Proprietary Phone Phase Parity Identifier indicating which CW must be used for descr Plan Position Indicator (radar) Plesiochronous Physical Interfaces Precise-Pixel Interpolation Processor Peripheral Interface Program Port Interface Programmable Peripheral Interface Primary Preferred IC Indicator Primary Preferred Interexchange Carrier Primary Preferred Interexchange Carrier Indicator Parent Process ID

PPK PPL PPL PPL PPL PPL PPLN ppm PPM ppm PPM PPM PPM PPM PPM PPM PPMP PPN PPP PPP PPP PPP PPP-M PPPML PPQFP PPQN PPR PPR PPR PPRCH Ppriv PPRS PPS PPS PPS PPS PPS PPS PPS PPS PPS PPS PPSC-IT PPSC-IT PPSN PPSNGR PPSRV PPSS PPST PPT PPT PPT PPTM PPTP PPTU PPU PPV PPV PPV ppv

Perimeter Park Point-to-Point Link Pre-Patched XPM Load Product PM Lineup Programmable Path Logic PVN Priority Line Preplan Pages Per Minute Pages Per Minute (Printers) parts per million Periodic Pulse Metering Peripheral Processor Message Portable Pixmap Presentation Protocol Machine Pulse Phase Modulation Pulse Position Modulation Peripheral Processor Message Processor Process Primes Network Paging Party Pays Parametric Performance Prediction Point-to-Point serial-line Protocol (IETF/T/IP) Priority Bits PPP Multilink PPP Multilink Power Plastic Quad Flat Pack Parts Per Quarter Note Partial Page Request Path-Protected Ring Pulsed Progressing Read-out (TV Cameras) Packet Paging Response Channel Private Photographic Profile Public Policy and Regulatory Solutions Packets Per Second (PSDN/X.25) Parlace Systems Partial Page Signal Path Protection Switching Permanent Presentation Status Port Presentation Services Pre-/Post-Service Preliminary Product Specification Public Packet Switched Network Pulses Per Second Public Procurement SubCommittee for Information Technologies (CEC) Public Procurement Subcommittee-Information Technology Sector Public Packet-Switched Network Public Packet Switched Network Generic Requirements Pre/Post-Service Public Packet Switched Services Parlace Smalltalk Packet Payload Type Permanent Part Time PowerPoint Protocol Profile Test(ing) Methodology Point-to-Point Tunneling Protocol PDUs Per Time Unit Packet Processing Unit Pay Per View Pay-Per-View Perprocess Vector Perprocess Vector

PPVM Peripheral Processor Virtual Machine PPVW Parlace VisualWorks PPWA Period/Pulse-Width Accumulator PPx Power Platform, Type x PPXL PrePatched XPM Load PQ Postal code for Quebec PQ Primary Questionnaire (CEN) PQ Priority Queuing PQ Product Quality PQET Print Quality Enhancement Technology PQFP Plastic Quad Flat Pack PQFP Plastic Quad Flat Package PQH Packet Query Handler PQR Patch Quality Record PQR Post-Queue Routing PR ISO country code for Puerto Rico PR Paging Receiver PR Paper tape Reader PR Partial Response PR Path Replacement PR Pattern Recognition PR Phase Recording PR Photoresist PR Phrase Representation PR Phrase SDL Representation PR Preamble PR Preference PR Premature Release PR Pre-Release PR Preroute PR Presentation Restriction PR Primary Radar PR Primary Residential PR Priority PR Product Reliability PR Program-Like Representation PR Pseudo-Random PR Public Relation PR Pulse Rate PR Pulsing Relay PR1 Priority One Line PR2 Priority Two Line PR4ML Partial Response Class 4 Maximum Likelihood PRA Primary Rate Access PRA Product Release Authorization PRACH Packet Random Access Channel PRACL Page-Replacement Algorithm and Control Logic PRAG Primary Rate Agency PRAM Parallel Random-Access Machine PRAM Parameter RAM PRART Problem Reporting and Resolution Tracking PRB Primary Reference Burst PRB Process Review Board PRB Product Release Baseline PRBS Pseudo-Random Binary Sequence PRBS Pseudo-Random Binary Source PRBS Pseudo-Random Bit Sequence PRBS(215-1) Pseudo Random Bit Sequence as defined in subclause 2.1 of CCITT Re commendation O.151 PRBX Polled Report-By-Exception

PRC PRC PRC PRC PRC PRCA PRCC PRD PRD PRDB PRDI PRDMD PRDN PRE PRE PRE PRE PRE PRE PRE PREAM Pref CUG PREL prEN PReP PREP PREST prETS PRF PRFCUG PRFD PRFHNT PRFLST PRFM PRG PRG PRG PRH PRH PRHW PRI PRI PRI PRI PRI PRI PRI PRIBCH PRID2E

Primary Reference Clock Primary Routing Center Priority Request Channel Processor Return Code Protocol Reference Configuration Proportional Rate Control Algorithm PCM-30 Remote Cluster Controller Performance Requirement Document Pseudo-Random Data Policy Routing Database Path Remote Defect Indication Private Directory Management Domain Primary DN Preemption PREfix Preformatted Text (HTML tag) Preliminary Prepay Coin Telephone Protectional Reservation Equipment Protective Reservation Equipment Preamble Preferential CUG Planned Release Proposed European Standard PowerPC Reference Platform Project Review Establishing Priorities Politique de REcherche Scientifique et Technique (EEC) Preliminary European Telecommunications Standard Pulse Repetition Frequency Preferential Closed Group Pulse Recurrence Frequency Discrimination Preferential Hunt Preferential Hunt List Performance Progress Indicator message Progress Information Purge Preferential Hunt Primary Hunt Plane Resolution Hardware Personal Identification Number Restriction Indicator Pre-Release Indication Primary Primary Rate Interface PRIority PRocedure Interrupt Protection Release Inhibited PRI B-Channel Trigger Portfolio Renewal through Integrated Design and Delivery Excellenc

PRI-ISDN PRINAME PRINCE-S PRIPUB2WAY PRIPUBIN PRIPUBOUT PRISM PRISS PRJ PRK

Primary Rate ISDN Primary Rate Interface Name Private-Network Computer-Based Expert System for Synchronization PRI 2-Way Traffic, from/to Public Network PRI Inward Traffic, from Public Network to PRI PRI Outward Traffic, from PRI to Public Network Protocol Independent Set of Messages Primary Rate Interface Service Supervisor Project File Call Park

e

PRL Peripheral Recovery Loader PRL Peripheral Remote Loader PRL Population Rule Language PRL Privacy Release PRM Packet Radio Measurement PRM Packet Radio Monitoring PRM Performance Report Message PRM Physical Resource Manager PRM Rate PRM Processor Recovery Message PRM Programmer's Reference Manual PRM Protocol Reference Model PRM Pulse Rate Modulation PRMA Packet Reservation Multiple Access PRMC Charging PRMD PRivate Management Domain (MHS/X.400) PRML Partial Response Maximum Likelihood PRMP Product Release Management Process PRN Periodic Ring Notification PRN Print File PRN Printer PRN Pseudo-Random Noise PRNA Private Network Access Billing Records PRNET Packet Radio Net PRNG Pseudorandom Number Generator PRO Planning and Reporting Officer (ETSI) PRO Processor Outage PROC Procedure PROC Processor PROCVAR Procedure Variable procvar Procedure Variable PRODAT Planungssystem fur digitale Anschlusse (Planning System for Digital Lines) PRODID Product Identifier ProdID Product Identifier PROFOT Productization Focus Team PROFS PRofessional OFfice System (SNA) PROG Program PROG Progress message PROLOG Programming in Logic PROLOG PROgramming in LOGics (Groupe d'Intelligence Artificielle) PROM Programmable Read-Only Memory PROMETHEUS Programme for a European traffic system with highest efficiency an d unprecedented safety PROMETHEUS PROgraMme for European Traffic with Highest Efficiency and Unprece dented Safety PROMIS-SS PROvisioning and Maintenance Info System-Special Services (CSC-ATT ) ProSTAR Problem and Service Tracking and Reporting System PROT Protected Store PROTEL Procedure-Oriented Type Enforcing Language PROTEL-2 Procedure-Oriented Type Enforcing Language-2 PROV Provisioning PROVE Provision of Verification PROX Prohibit Interexchange Carrier Selection PRP Path Replacement Propose PRP Preroute Peg Count PRP Primary Routing Point PRR Path Replacement Re-use PRR Previously Rerouted

PRR PRREC PRRM PRRR PRS PRS PRS PRS PRS PRS PRS PRS PRS PRS CAT PRSB PRSDOC PRSG prsid PRSM PRSM PRSM PRSR PRSU PRSU PRT PRT PRT PRT PRT PRTCL PRTM PRTNM PRTSC PRU PRV PRV PRVPUB PRW PRZ Ps PS PS PS PS PS PS PS ps PS PS PS PS PS PS PS PS PS ps PS PS

Pulse Repetition Rate Rate Recording Pulse Repetition Rate Modulation PRR Result Pairs Path Replacement Setup Rate Service Primary Reference Source Print Services Problem Reporting System Problem Resolution System Pseudo Random Sequence Pseudo-Random Sequence PRS Categorization Pseudo-Random Sequence Binary PRS Document Pseudo-Random Sequence Generator PRS Identifier Post Release Software Management Post Release Software Manager Post-Release Software Manager PRS Result Post Release Software Update Post-Release Software Unit Payphone Recognition Tone PRinT Print File Printer Problem Resolution Team Protocol Printing Response Time Monitor Pretranslator Name PRinT Screen (key) Primary Recording Unit Pre-Release Verification Privacy Private to Public Paired Wire Polarized Return-to-Zero location Probability Packet Service Packet Size Packet Switch Packet Switching Packet-Switched Paging System Paging Systems (former ETSI TC) Parameter Separator Party Set ed Screening Path Selection Pay Station Pen Style Permanent Signal Personal (radio) Station Phase Shift Physical Shelf picosecond PostScript Power Sink

PS PS PS PS PS PS PS PS PS PS PS PS Ps Ps PS/2 PS1 PS1 PS1 PS2 PS2 PS2 PS3 PS3 PSA PSA PSA PSA PSA PSA PSA PSA PSA PSA PSA P-SAE PSAP PSAP PSAP PSAR PSC PSC PSC PSC PSC PSC PSC PSC PSC PSC PSC PSCAB PSCAB PSC PSCS PSD PSD PSD PSD PSD PSD

Power Source Power Splitter Power Supply Presentation Services Probability of Success Processor Sharing Processor Status Product Specification Program Store Program Stream Protection Switching P-Side Public switched telephone network sending Power level Personal System/2 Power Source 1 Power Status Bit 1 Power Supply 1 Power Source 2 Power Status Bit 2 Power Supply 2 Power Source 3 Power Supply 3 Partial Stand-Alone Path Selection Algorithm Power Serving Area Processor Save Area Product Service Assurance Product Specification Agreement Programmable Services Architecture Protocol-Specific Annex Provisioned Service Actions Proxy Signaling Agent Python Software Activity PSE Service Alteration Element Physical Service Access Point Presentation Service Access Point Public Safety Answering Point Programmable Starting Address PCS Switching Center Permanent Signaling Connection Persistent Signaling Channel Personal SuperComputer Physical Signaling Channel Picture Start Code Preset Conference Programming Centre Protection Switching Controller Protection Switching Count Public Service Commission Packet Services Compatibility Advisory Board (BOC) Packet Services Compatibility s Group Packet Signaling Connection Control Part Personal Space Communication Service ive Service Directory Permanent Signal Detection Platform Schedule Dependency Platform-Specific Driver Power Spectral Density Programmable Sharing Device

PSD PSDC PSDDS PSDDS PSDI PSDI PSDN PSDN PSDN PSDN PSDR PSDS PSDS PSDS PSDTS PSDU PSE PSE PSE PSE PSE PSE PSET Pset PSETF PSF PSF PSF PSF PSG PSH PSH PSI PSI PSI psi PSI PSI PSI PSI PSI PSI-CELP PSID PSIDE P-SIDE PSIG PSK PSKMP PSL PSL PSL PSL PSL PSL PSLK PSLT PSM PSM PSM PSM

Protection Switching Duration Public Switched Digital Capability Pilot Switched Digital Data Service Public Switched Digital Data Service PIN Service Denial Indicator PIN Service Denial Indicator Identifier Packet Switched Data Network Packet Switched Digital Network Public Switched Data Network Public Switched Digital Network Periodic State Dependent Routing Packet Switched Data Service Public Switched Data Service Public Switched Digital Service Packet Switched Data Transmission Service Presenation Service Data Unit (OSI-PL) Packet Switching Exchange ive Service Element Personal Security Environment Protection Switch Exercise Proxy Search Engine Published Software Environment Proprietary Business Set Proprietary Set Preemptive Shortest Executive Time First Point Spread Function (Imaging) Power Separating Filter Print Services Facility Product Specification File Professional Services Group Property Sheet Header Push flag Performance Systems International Personal Subscription Identity Pitch Synchronous Innovation Pounds Per Square Inch Precision Systems Inc. Product Information Product/Service Information Program-Specific Information Protection Switch Inhibited Pitch Synchronous Innovation-CELP Private System Identifier Peripheral Side Peripheral Side Permanent Signal Phase-Shift Keying Photuris Session Key Management Protocol Peripheral Speech Link Phantom Service Link PM-to-SLC Power Sum Loss Program Skeleton Language Protocol Specification Language Peripheral Side Link Periodic Signaling Link Tests Persistent Stored Modules Position Switching Module Property Sheet Message Protocol State Machine

PSM PSM PSMS PSN PSN pSN PSN PSN PSN PSN PSN PSN PSN P-SNE PSNR PSO PSO PSOF PSOLA PSOP pSOS PSP PSP PSP PSP PSP PSP PSP PSP PSP PSP PSP PSPD PSPDN PSPDN PSPROT PSPTF PSQX75 PSR PSR PSR PSR PSR PSRG PSRR PSS PSS PSS PSS PSS PSS PSS PSS1 PSSP PST PST PST PST PST PST

Provision of Stored Messages Pulse Step Modulation PCS Service Management System Packet Switched Network Packet Switched Node Packet Switching Network Packet Switching Node Portable equipment Serial Number Power Switching Network Private Subscriber Network Programmable Services Node Property Sheet Notification Public Switched Network PSE Service Notification Element Peak Signal-to-Noise Ratio Partial Store Ordering Professional Services Organization (Hewlett-Packard) Pending Service Order File Pitch Synchronous OverLap and Add Plastic Small Outline Package Integrated Systems Inc. pSOSystem Packet Subscriber Profile Parameter Stack Pointer Payphone Service Provider PCS Service Provider Personal Software Products Physical Service Port Position-Synchronized Pulse Generator PPSN Subscriber Profile Product System Packaging Program Segment Prefix Programmable Signal Processor Permanent Signal/Partial Dial Packet Switched Public Data Network Public Switched Packet Data Network Protected Program Store Preemptive Shortest Processing Time First Packet Sequencing for X.75 ive Service Reference Powersoft Report File Previous Slot Received (BISDN) Priority Sharing with Restrictions Processor Status Parallel Shift Generator Power Supply Rejection Ratio Packet Switched Stream (X.25) Packet Switching System Performance System Product and System Specifications Product Services Public Safety Systems Pulse Signalling System Private Signalling System number one Parallel System Programs MDII: Permanent Signal Timeout Pacific Standard Time Permanent Signal Tone Perprocess Segment Table Pre-Structured Technology Primary State

PST PSTC PSTN PSTO PSTQ PSTS PSTS PSTV PSU PSU PSU PSU PSUP PSVC PSVCI PSW PSW PSW PSWR PT PT PT PT PT PT PT PT PT PT PT PT PT pt PT PT PT PT PT PT PT PT PT PTA PTA PTA PTA PTA PTAB PTAC PTAE PTAG PTAT PTB PTBA PTC PTC PTC PTC PTC PTC

Protocol State Table Public Switched Telephone Circuits Public Switched Telephone Network Permanent Signal Timeout Primary State Qualifier Parallel Serial Time Switch Profile Specific Test Specification Protocol Specification, Testing and Verification Packet Switch Unit Packet Switching Unit Power Supply Unit Product/Service Update Per Session Profile Point-to-Point Signaling Virtual Channel Point-to-Point Signaling Virtual Channel Identifier Peripheral Software Processor Status Word Program Status Word Power Standing Wave Ratio ISO country code for Portugese Republic (Portugal) Packet Trunk Paging Terminal Paper Tape Parallel Transmission Part Time thru Pay Tone Payload Type Performance Technologies Performance Telecom Personal Telecommunications (service) Physical Tuple Point Portable Radio Termination Precise Tone Private Trunking Product Test Product Testing Program Test Project Team Protocol Tester Pulse Transformer Posts and Telecommunications istration Previous Transfer Address Product Test Acceptance Product Test Accepted Provincial Telecommunications istration Planning Table Postal and Telecommunications Appliances Corporation Through Application Entity PCS Technology Advocacy Group Private Transatlantic Telephone Physikalisch-Technische Bundesamstalt (D) Page Table Base Address Pacific Telecommunications Council Parallel Test Component Parametric Technology Corp. Permanent Technical Committee Positive-Temperature-Coefficient (resistor) Product Test Certification

PTC PTCH PTCO PTD PTD PTE PTE PTE PTE PTE PTE P-Team PTEG PTF PTF PTF PTF PTF PTFE PTG PTGT PTI PTI PTI PTI PTI PTL PTL PTLU PTLXAU PTM PTM PTM PTM PTM PTM PTM PTM PTM-G PTM-M PTMPT Pt-Mpt PTM-SC PTMT PTN PTN PTN PTN PTN PTNX PTO PTP PTP PTP PTP PTP PTP PTP Pt-Pt PTQ

Product Test Complete Packet Traffic Channel Project Team Co-Ordinator assistant (ETSI) Personal Training Day Product Test Developed Packet Transport Equipment Page Table Entry Partitioned Table Editor Path Terminating Equipment Product Test Exit Protocol Testing Environment Prototyping Team Page Table Entry Group Permanent Text File Print Time Formatting Problem Trouble Fix Product Test Finish Programmable Transversal Filter Poly-Tetra-Fluoro-Ethylene (Cable Insulator) Precise Tone Generator Privilege Ticket Granting Ticket Packet Type Identifier Payload Type Identifier Payload Type Indicator Performance Technologies Inc. Personal Telecommunication Identity Physical Transport Layer (SNA) Push To Listen button Pre-Transmission Line-Up Public Telex Access Unit Packaged Trunk Module Packet Transfer Mode Packet Transport Mode Point-To-Multipoint Portable Traffic Monitor Programmable Timer Module Project Team Manager (ETSI) Pulse Time Modulation Point-To-Multipoint Group Call Point-To-Multipoint Multicast Point To Multipoint Point-to-Multipoint PTM Service Center Project Team Management Team (ETSI) Personal Telecommunication Number Personal Telephone Number Plant Test Number Private Telecommunications Network Public Telephone Network Private Telecommunications Network Exchange Public Telecommunications Operator Paper Tape Punch Peak To Peak Point-To-Point Precise Tone Plan Private Topology Partition Product Test Plan Product Test Process Point-to-Point Per-Terminal Queue

PTR PTR PTR PTR PTR PTR PTRST PTS PTS PTS PTS PTS PTS PTS PTS PTS PTS PTS PTS PTS PTS PTS PTS PTS PTS PTSCS PTSE PTSE PTSP PTS-S PTST PTST PTT PTT PTT PTT PTT PTT PTT PTT PTTC PTTI PT-VSI P-TWC PTX PTY PTY pty PU PU PU PU PU PU1 PU2 PUB PUB PUB PUBNET PUBPRV

Paper Tape Reader Philips Telecommunication Review (periodical) Pointer Poor Transmission Printer Professional Technical Reference Port Restore Paper Tape System Pay Terminals and Systems Personal Telecommunications Service Per-Trunk Signaling Portable Test Set Precise Tone Supply Presentation Time Stamp Probabalistic Transition System Proceed To Select Proceeed to Send Product Test Start Product Test Strategy Product Tracking System Profile Test Specification Protocol Test System Public Telecommunications Service Public Telephone Service Public Telephone System PTS Compliance Statement PNNI Topology State Element PNNI Topology Status Element PNNI Topology State Packet Profile Test Specification Summary Product Test Product Test Strategy Team Plesiochronous Trail Terminations Postal, Telegraph, and Telephone Postes, Télégraphes et Téléphones Posts, Telecommunications et Telediffusion Posts, Telegraphs and Telephones Posts, Telegraphs and Telephones public operating company Push to Talk Push To Talk button Paper Tape and Transmission Code Precise Time and Time Interval Performance Technologies VMEbus Slave Interface PCS Three Way Calling Performance Toolbox Party Line Party Line Ringing Code/Member Identifier Pseudoterminal Physical Unit Plug-Up Presentation Unit Programme Unit Protocol Unit Private Use 1 Private Use 2 Public Publication Technical Publication Public Network Public to Private

PUC PUC PUC PUC PUCI PU PUCT PUF PUGI PUH PUI PUK PUK PUM PUM PUMA PUN PUN PUNA PUP PUP PUP PUPS PUT PUT PUT PV PV PV PV PV PV PV PV PVA PVAL PVBR PVC PVC PVC PVC PVC PVC PVC PVCC PVCI PVCRI PVCS PVD PVD PVDF PVDF PVDN PVE PVE PVG PVM PVM PVM PVM

Path Channel Public Utilities Commission Public Utility Commission PUnch Control PIN Usage Category Indicator Physical Unit Control Point (SNA) Price per Unit Currency Table PRISM Forum Primary Group Identity Physical Unit Handler Personal Identity Personal Unblocking Key PIN Unblocking Key Personal Mobility Positioning Unit Mode Product Upgrade Manager Physical Unit Number Portable Number Public Network Access Billing Records PARC Universal Packet PARC Universal Packet Protocol Physical Port Point-of-Use Power Supply Parallel Upper Tester Portable Type Programmable Unjunction Transistor Parameter Value Parameter Variation Physical Volume Private Number Procedure Variable (Procvar) Product Validation Product Verification Protocol Version Photo Voltaic AC-Relay PRSM Validation Peak-Allocated VBR Permanent Virtual Call Permanent Virtual Channel Permanent Virtual Circuit Permanent Virtual Connection Poly-Vinyle Cloride Protocol Variant Control Protocol Version Control Permanent Virtual Channel Connection Permanent Virtual Channel Identifier Permanent Virtual Circuit Recording Interval Intersolv software configuration management product Physical Vapor Deposition Point of Video Delivery piezoelectric PolyVinyliDene Fluoride (Acoustic Sensors) PolyVinyliDene Fluorethylene (pyrosensor, IR-absorber) Private Virtual Data Network Product Validation End Protocol Version Error port Voice Gateway Parallel Virtual Machine port Voice Manager through Virtual Machine (protocol) Position/Velocity-sense Module

PVN PVN PVP PVP PVP PVPBACC PVPC PVQ PVR PVRA PVS PVS PVT PVT PVTFAC PVTNET PW PW PWB PWB PWBA PWD PWF PWFG PWI PWI PWI PWL PWL PWM PWM PWP PWP PWPD PWR PWS PWT PWT pWT PWT PWT PWT-E PX PX PX PX PXE PXL PXLA PXML PXO PY PY PY PZ PZT

Private Virtual Network Private Virtual Networking Packet Video Protocol Permanent Virtual Path Programmable Video Processor Private-to-Public Access Code Permanent Virtual Path Connection Pyramid Vector Quantization Processor Version Physical Volume Reserved Area PowerPC Visual Simulator Product Validation Start Page View Terminal Private Private Facilities Access Private Network Access Code ISO country code for Palau Printed Wiring Board Programmer's Workbench Printed Wiring Board Assembly Preference Weighting Factor Primary Waveform Generator Physical Work Item PoWer Indication Public Windows Interface List List file Pulse-Width Modulated Pulse-Width Modulation Physical Work Processor Primary-Writer Protocol Process With Private Data Power Peer Web Services Page-Level Writes Transparent Page-Level Write-Through Personal Wireless Telecommunication Personal Wireless Telecommunications Personal Wireless Telephony Personal Wireless Telecommunications-Enhanced Prefix Code Private Exchange Pulse transformer peak power (watts, dB) Preboot Execution Product XPM Lineup Pretranslation Private Exchange Master List Packaged crystal Oscillator ISO country code for Republic of Paraguay Person-Year mean power (watts, dB) carrier power (watts, dB) Pb(lead)-Zirconate-Titanate (RAM) (Ferroelectronic RAM)

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Q Q Q Q Q Q Q&A Q&R QA QA QA QA QA QA QA QA QA QAC QAD Q QAF QAF QAF QAM QAM-SC QAN QAR QASK QBB QBE QBE QBERT QBIC Q-bit QBS QC QC QC QC QC QC QC QC QCC QCDMA QCIF QCIF QCIF QCK QCM QCOUNTS Q Q QUGNO QCS QCT QCUST QD

Q reference point Quadrature Quarter Quotation (HTML tag) Selectivity Transistor Questions and Answers Quality and Reliability ISO country code for State of Qatar Q (Interface)- Adapter Q-Adapter Q-Interface Adapter Quality Acceptance Quality Assurance Queue-Arbitrated Queued Arbitrated Quick Acting Quality Assurance Cycle Quality Assurance Directorate Quadrature Audio/Data Modulation Q Adaptor Functional block Q-Adapter Function Quality Audit Facility Quadrature Amplitude Modulation Quadrature Amplitude Modulated- Suppressed Carrier Q3 Interface on the Access Network Quality Assurance Review Quadrature Amplitude Shift Keying Query Bb Channels Quality Basic Education Query By Example Query Bit Error Rate Testers Query By Image Content Qualifier bit Query Busy Station Qualcomm Quality Circle Quality Control Quantum Cascade Quantum Coprocessor Quartz Crystal Queue Controller Queued Channel Quality Control Circle Qualcomm CDMA Quarter CIF Quarter Common Image Format Quarter Common Intermediate Format Quick Conference Key Query Call Memory Query Counts Queue Control Program Quick Connect Query U Group Numbers Quadruple Current Switch Quantitative Computerised Tomography (Medical) Query Customer Information Quad Density

QD QDC QDCH QDI QDN QDNA QDNSU QDNU QDNWRK QDPSK QDRS QDSX QDU QDU QE QEF QELIB QEPC QFA QFADS QFC QFD QFL QFLIC QFLIC QFM QFP QFP QFSK QGP QGRP QH QHA QHASU QHU QI QI QIC QIC QIC QIC QIC QID QIF QIL QIT QIT QKD QKS QL QLAMP1 QLAMP2 QLAMP3 QLC QLC QLE QLEN QLENWRK QLI QLI

Queuing Delay Quadrature Decoder Chip Query D-Channel Handler Quality Document, Process, and Impact Report Information Query Directory Number Query Directory Number Address Query Software Unassigned Directory Numbers Query Directory Numbers Software Unassigned Query Working Directory Number Quaternary Differential Phase Shift Keying Quantum Data and Routing System Quadruple DSX Quantization Distortion Unit Quantizing Distortion Unit QMS Element Quasi-Error-Free Q+E Database Library 2 Quadruple Exchange Power Controller (ISDN) Quick File Access QMS Force istration Data System Quantum Flow Control Quality Function Deployment Queue FiLe Quad Fiber Link Interface Chip Quad Fiber Link Interface Controller Quantized Frequency Modulation Quad Flap Pack Quad Flat Package (Square IC Package) Quadrature Frequency Shift Keying Quad Gateway Processor Query Group Query Handler Query Hardware Assigned LEN Query Hardware Assigned Software Unassigned LEN Query Hardware Unassigned LEN Quality Improvement Quality Indicator Quality Improvement Council Quality Information Center Quarter Inch Compatibility Quarter-Inch Cartridge Quarter-Inch Cassette Queue Identifier Quicken Import File Quadruple-In-Line (IC Package) Quality Improvement Team Query ISDN Terminal Quantum Key Distribution Quasar Knowledge Systems Queue Length Queue Call-Waiting Lamp 1 Queue Call-Waiting Lamp 2 Queue Call-Waiting Lamp 3 Quad Line Card Quad Link Controller Q3 Interface on the Local Exchange Query Line Equipment Number Query Working LEN Quad Link Interface Query Language Interpreter

QLLC QLLC QLOAD QLOOP QLPS QLT QM QM QM QM QMADN QMAMSK QMF QMF QMI QMIP QMP QMS QMS QMS CAM QMS CASE QMS LC QMSCASE QMSK QMTI QNaN QNCOS QNVW QO QoR QOS QoS QOSMIC

Qualified LLC (SNA) Qualified Logical Link Control Query Load Query ISDN Loop Quad Link Packet Switch Query Logical Terminal Quality Manager (ETSI) Quality Manual QuickMail Quiet Mode Query Multiple Appearance Directory Number Quadrature Multi-Amplitude Minimum Shift Keying Quadrature Mirror Filter Query Management Facility (IBM) Quality Management Institute QualComm Managewment Information Protocol Quality Measurement Plan Quality Management System Queue Management System Queue Management System Call and Agent Manager Queue Management System Customer Assistance Service Enhancements Quality Management System Local Co-ordinator (ETSI) Queue Management System Customer Assistance Service Enhancements Quadrature Minimum Shift Keying Quadrature Moving Target Indicator (radar) Quiet Not-a-Number Query Network Class of Service Queensview Query Originator Query on Release Quality of Service Quality of Service QOS Verification Methodology and Tools for Integrated Communicatio

ns QOSP QP QP QPA QPC QPDM QPH QPHF QPL QPL QPM QPM QPR QPRIO QPRS QPS QPS QPSK QPSX QPSX QPUG QR QR QRA QRP QRS

Quality of Service Parameter Quadratic Program Query Processor Quality Program Analysis Quad Port Card Quadruple Pixel-Dataflow Manager (AMD Inc.) QLPS Protocol Handler Query Packet Handler Facility Qualified Products Listing (US-Military) Queueing Priority Level Quad-Port Module Quantized Pulse Modulation Quadrature Partial Response Query PRIO Quadrature Partial-Response System Quality Program Specification Queries Per Second Quadrature (Quaternary) Phase Shift Keying (4-PSK) Queued Packet and Synchronous Circuit Exchange Queued Packet Synchoronous Exchange Quality Process s Group Quality Record Quasi-Random Quality Reliability and Assurance QOS Reference Point Quasi-Random Signal

QRSF QRSS QRSU QRY QS QSA QSA QSAFA QSAM QSAM QSCONN QSCUGNO QSD QSDA QSE QSIG QSIG QSIG-GF QSL QSM QSPI QSS QSTN QT QT QTADS QTAM QTD QTFW QTM QTOPSPOS QUAD QUAM quat QUE QUE QUEST QUICC QUIL QUIP QUNI QVC QW QW QW QWA QW-DFB QWL QWP QWUCR

Quasi-Random Signal, Framed Quasi-Random Signal Source Quasi-Random Signal, Unframed Query Queue Size Quality System Analysis Quality System Assurance Quasi-Static Autonomous Frequency Assignment Quadrature Sideband Amplitude Modulation Queued Sequential Access Method Query Special Connections Query SCU Group Numbers Quality System Document Quality System Documentation Assistant (ETSI) Quality Software Engineering Q Interface Signaling Q Interface SignallinG protocol (ECMA standard) Q Interface Signaling-Generic Functions Queue Status Lamp Query Set Manager Quality System Process Improvement Quality Systems and Software Ltd. Question Quality Technology Queuing Time QMS Traffic istration Data System Queued Telecommunications Access Method Query Time and Date QuickTime for Windows QuickTime Query Table TOPSPOS Typographic Quadding Quantized Amplitude Modulation Quaternary Symbol Call Queuing Queuing Quality, Engineering, Software, and Technology Quad Integrated Communications Controller QUad-In-Line (Package) Quad In-Line Package Query Useful Node Information Quality, Value and Convenience Quad Word Quadword Quantum Well Quarter Wave Antenna Quantum Well Distributed Quantum Well Laser Query With Permission Query Wake-Up Call Requests

back to top|0-9|A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q - R S|T|U|V|W|X|Y|Z R R R R R

Ramp time Rapporteurs Meeting (ETSI) Read Ready Receive (circuit)

R R R R R R R R R R R R R R R R R r R R R&D R&E R&I R&M R&O R&Q R&Q R&R R&R R/DAT R/M R/N R/O R/O R/T R/T R/W R2 R2 R4 R5 R50 R6 RA RA RA RA RA RA RA RA RA RA RA RA RA RA RA RA RA

Received Recommendation Red Referenced Release Reliability Replied Request Requirement Reservation Resistance Resistor Resource Response Revision of existing document Ring Roman Round Router Research and Development Research and Education Review and Inspection Reliability and Maintenance Report and Order Reliability and Quality Routing and Queuing Request and Reply Reward and Recognition Rotary Digital Audio Tape /Memory Request/Notification Read-Only Responsible Organization Receive/Transmit Translator Read/Write Binary Raster Operation signalling system R2 Release 4 Release 5 Rad-50 Release 6 Radio Altimeter Radio Astronomy Radio Resource Allocator Radiocommunication Assembly (ITU) Radiocommunications Agency (UK) Random Access RAndom mode request information field Rate Adapter Rate Adaption Recognition Agreement Recognition Arrangement ed Area (TETRA) Registration Area Remote Access Request Access Request/Acknowledge Requirements Analysis

RA RA RA RA RA RA RA RA RA RA RA RA1 RA2 RA3 RAB RAB RAB RAC RAC RAC RAC RAC RACE RACE RACE RACE RACE Europe RACE RACE RACE RACE RACF RACF RACF RACF RACFCD RACH RACON RACOS RACS RACS rad RAD RAD RAD RAD RAD RADAR RADIUS RadJa RADR RADSL RADSL RAE RAF RAF RAF RAG RAG

Requirements Analyzed Resource Agent Resource Aggregate Resynchronize Acknowledgement Return Alarm Risk Analysis Roaming Area Routing Address Routing Arbiter Routing Area Rural Area Reanswer No. 1 signal Reanswer No. 2 signal Reanswer No. 3 signal RAID Advisory Board Random Access Burst Registrar Accreditation Board Remote Access Concentrator Resources Available Confirm Root Access Conditions Routing Access Code Routing and Access Controller R&D in Advanced Communications technologies in Europe Random Access Computer Equipment Rapid Automated Connections Environment Regional Automatic Circuit Exchange Research and Development in Advanced Communication Technologies in Research in Advanced Communication in Europe Research in Advanced Communications in Europe Research into Advanced Communications in Europe Research on Advanced Communication Systems in Europe Radio Access Control Function Remote Access to Call Forwarding Remote Activation Call Forwarding Resource Access Control Facility (IBM) Remote Access Call Forwarding Code Random Access Channel RAdar beaCON Raised Cosine Remote Access Computing System Road/Automobile Communication System Radians Rapid Access Disk Rapid Application Development Redirection-Address Display Remote Access Device Remote Antenna Driver Radio Detection And Ranging Remote Authentication Dial-In Service Rapid Application Development with Java Receiver Attachment Delay Recorder Rate Adaptive Digital Subscriber Line Rate Adaptive Digital Subscriber Loop Real-Time Analysis Engine Rainbow Action Forum Recorded Announcement Frame Risk Assessment Form Radiocommunications Advisory Group Ring Again

RAI RAI RAI RAID RAINBOW RAINV RAL RAL RAL RAL RALA RALU RAM RAM RAM RAM RAMA RAMAC RAMDAC RAMDAC RAMP RAMP RAMP RAMP RAMSH

Remote Alarm Indication Resource Availability Index Resources Available Indicate Redundant Array of Inexpensive Disks Radio Independent Broadband on Wireless Resource Aggregate Inventory Table Radio Access Layer Raleigh Resource Aggregate Locator Resource Allocation ed Automatic Line Adapter and Arithmetic and Logic Unit Random Access Memory Random-Access Machine Remote Access Management Reset Acknowledgement Message Resource Auction Multiple Access Random Access Method of ing and Control RAM-based Digital to Analog Converter Random Access Memory with Digital to Analogue Converter RAM Alternate Messaging Protocol Reliable Adaptive Multicast Protocol Remote Access Maintenance Position Remote Access Maintenance Protocol Reliability, Availability, Maintainability, Safety and Human Facto

rs RAN RAN RAN RAN RAN RAN RAND RAND RANN RANTH RAO RAO RAO RAO RAP RAP RAP RAP RAP RAP RAQ RAR RAR RAR RAR RARC RARE RARF RARP RARP RAS RAS RAS RaS

Re-Answer message Recorded Announcement Regional Area Network Remote Access Node Residential Access Network Room Area Network Random Number Random Number used in generating CKEY Recorded Announcement Recorded Announcement Threshold Raleigh-Area Operations Record Digits as Outpulsed Regional ing Office Revenue ing Office Radio Access Port Rapid Application Prototyping Recorded Announcement Processor Recording-Announcement Processor Reliability Assessment Plan Route Access Protocol Recently Asked Questions Rearrangement Request for ACT Relationship Resource Access Restriction Return Address Regional istrative Radio Conference Réseaux Associés pour le Recherche Européenne Radio istration, Regulation and Frequency management Reverse Address Resolution Protocol Reverse Address Resolution Protocol (T/IP-DoD) Radio Access System Radio Astronomy Service Random-Access Storage Range and Status

RAS RAS RAS RAS RAS RAS RASC RASC RASCI RASCOM RASL RASM RASP RASR RAST RAT RAT RAT RAT RAT RATP RATS RATT RAU RAU RAU RAV RAVE RAVE RAW RAX RAX RB RB RB RB RB RB RB RBA RBA RBB RBC RBC RBC RBCF RBD RBDS RBER RBER RBF RBHC RBI RBID RBK RBLO RbnNoR RBOC RBP RBP

Registration, ission, and Status Reliablity, Availability, Serviceability Remote Access Server Remote Access Service(s) Row Address Select Row Address Strobe Radio Access Service Controller Radio Access System Controller Responsibility, Approval, , Consult and Inform Regional African Satellite Communications Organization Robust Application and Session Layer Remote Abstract Service Module RSC Alarm & Status Reliability, Availability, Serviceability, Recoverability Receive and Send Terminal Alias Table Reliability Assessment Testing Remote Access Telnet Resource and Transport Resource(s) Architecture Team Reliable Asynchronous Transfer Protocol Rainbow Action Tracking System R1022 ATM Technology Testhead Recorded Announcement Unit Remote Access Unit Reserved for istrative Use Remote Access Vehicle Remote Access to VCO Environment Rendering Acceleration Virtual Engine Read After Writing Rate Area Exception Remote Access Redbook Reference Bit Return to Bias (recording) Reverse Battery Ringback Robustness Rollback Relative Byte Address Reset-Band-Acknowledgement message Residential Broadband Radio Bearer Control Relay Bearer Control Remote Bearer Channel Radio Bearer Control Function Receiver Buffer Descriptor Radio Broadcasting Data System Residual Bit Error Rate Residual Bit Error Ratio Random Block File (Manager) Regional Bell Holding Company Reset-Band-Acknowledgement, All Circuits Idle signal Reference Burst IDentification Ring Back Remotely Blocked Redirection Number Restriction Regional Bell Operating Company Reliable Broadcast Protocol Ring Back Price

RBQ RBR RBS RBS R-BS RBSOA RBT RBT RBU RBV RBW RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC RC rc RC RC&V RC/V RC/VP RC2 RC4 RCA RCA RCA RCA RCA RCAA RCAMA RCAN

Ring-Back Queuing Real-time Bit Rate Radio Base Station Robbed-Bit Signaling Ranger Wireless Base Station Reverse-Biased Save Operating Area (Power Semiconductors) Remote Batch Terminal Ringback Tone Receive Baseband Unit Return Beam Vidicon Resolution Bandwidth Radio Controller Rate Center Read-Create Receive Common Recent Change Reception Control Recognition Context Recording Completing Reference Clock Reference Configuration Regional Center Remote Control Repeating Coil Reply Check Request Counter Requirements Captured Reservation Centre Resistance-Capacitance Resistor-Capacitor Resource Compiler Resource Control Resource Definition file Resource Script File Retransmission Counter Retry Counter Return Code Reverse Charging Revertive Call Ring Control Ringing Code Ringing Current Root Cause Routing Code Routing Controller Run Commands Runtime Customization Recent Change and Recent Change and Recent Change/ Position Rivest Cipher #2 Rivest Cipher #4 Radio Corporation of America Receiver Collision Avoidance Remote Controller Array Reverse Charging Acceptance Root Cause Analysis Root Cause Alarm Analysis Remote Centralized Automatic Message ing Recorded Announcement

RCAS RCAT RCAT RCB RCB RCB RCC RCC RCC RCC RCC RCC2 RCCB RCCI RCCN RCCO RCCR RCCT RCD RCD RCD RCD RCD RCD RCD RCDMA RCE RCE RCE RCEE RCEI RCER RCES RCF RCF RCF RCF RCF RCFEA RCFLM RCFN RCFW RCGA RCGLI RCH RCH RCH RCHD RCHNL RCI RCI RCI RCI RCI RCID RCL RCLI RCM RCM RCM

Rapport Carrier Access Switch Release Coordination and Tracking Signaling-Route-Set-Congestion-Test Control Reverse Channel Bank Reverse Charging Barred Ringing Control Block Radio Common Carrier Remote Cluster Controller Remote Communication Controller Requirements Change Control Resource Capacity Coefficient Remote Cluster Controller 2 Residual-Current Circuit Breaker ISDN Remote Cluster Controller Radio Common Carrier Number Offshore Remote Cluster Controller Receive Control Character Regression Code Coverage Tool Rapid Cycle Development Receiver-Carrier Detector Reference Configuration Development Residual Current Device Resistor-Capacitor-Diode (protection circuit) Reverse Coin Disposal Route Control Digit Rockwell CDMA Radio Control Equipment Remote Control Equipment Remote Controller Equipment Resource Control Execution Environment ISDN Remote Controller Equipment Remote Call Event Record Remote Controlled Equaliser System Radio Control Function Registration Confirm Registration Confirmation Remote Call Forward Remote Call Forwarding Remote Call Forwarding Equal Access Remote Call Forwarding Limit Remote Call Forwarding Number Remote Call Forwarding Remote Carrier Group Alarm Request Calling Line Identity Redundancy Check Restoration Capacity Heuristic Richardson Residential Call Hold Remote Channel Release Control Identifier Remote Command Interpreter Reverse Charging Indication Root Cause Identification Routing Control Indicator Radio Call ID Recall Remote Command Line Interface Reject Connect Modify Message Release Control Manager Resource Configuration Manager

RCMAC RCME RCMI RCMP RCO RCO RCO RCO2 RCO2 RCOS R R R R R R R R R R R RCR RCR RCR RCR RCR RCR R-C-R RCS RCS RCS RCS RCS RCS RCS RCS RCS RCS RCS RCSA RCSC RCSDRV RCSENT RCT RCT RCT RCT RCT RCT RCT RCT RCTL RCTM RCU RCU RCU RCU RCU RCU RCU

Recent Change Memory istration Center Remote Control and Maintenance Equipment Remote Cell-site Multiplex Interface Routing Control/Monitoring Policing Receiver Cuts Out Remote Central Office Resource Control Object Off-Shore RCC2 Overseas RCC2 Routing Class of Service Radio Control Point Rainbow Computing Platform Real-time Compute Platform Regional Control Point Restoration Control Point Restore Cursor Position Return to Control for partial Page Right-hand Circular Polarization Route Control Point Route Set Test Cluster Prohibited message Signaling-Route-Set-Test Cluster-Prohibited signal Radio Center for Research Radio Communications Report Research and Development Center for Radio Systems Role-Collaborator-Responsibility Route Set Test Cluster Restricted message Signaling-Route-Set-Test Cluster-Restricted signal Role-Collaborator-Responsibility Reaction Control Subsystem Recall Services Relay Control System Remote Carrier SLC-96 Remote CAT Scan Remote Concentrator SLC-96 Remote Concentrator Subscriber Remote Connection Service Remote Control Switching Reserved Channel Scheme Revision Control System Radio Carrier Serving Area Regional Customer Center Relay Control System Driver Reverse Charging Sent Remote Carrier Terminal Remote Concentrator Terminal Remote Control Terminal Resonant Charge Transfer (Power Supplies) Resource Cancellation Time Resource Template file Route Set Congestion Test message Signaling-Route-Set-Congestion-Test signal Resistor-Capacitor-Transistor Logic Rate Conversion Traffic Monitor Rack Controller Unit Radio Channel Unit Radio Control Unit Remote Carrier Urban Remote Concentrator Unit Remote Concentrator, Urban Remote Control Unit

RCV RCV RCV RCVD RCVR RCVRDGT RCVS RCW RCX RD RD RD RD RD RD RD RD RD RD RD RD RD RDA RDA RDACW RDAS RDAS RDAT RDB RDBL RDBMS RDC RDC RDC RDC RDC RDCLP RDD RDD RDD RDE RDEP RDER RDF RDF RDF RDFF RDG RdgNo RDI RDI RDI RDI RDLD RDLI RDLM RDM RDM RDN RDN

Receive Recent Change and Resistance/Capacitance/Voltage Received Digits Billing Receiver Receiver-Digitone Recent Change and Verification Subsystem Read/Compute/Write Remote CI Command Execution Receive Data Received Data Recursive Design Reference Document Remote Diagnosis Request Disconnect Request for Disconnect (HDLC) Resistance Design Ring Detect Ringdown Root Directory Route Descriptor Routing Domain Remote Data Access Remote Database Access (protocol) RDAS Distinctive Alerting/Call Waiting Residence Distinctive Alerting Service Residential Distinctive Alerting Service Receive Data Relational Database Relational DataBase Language Relational Database Management System Redirect Confirm Remote Data Concentrator Remote Device Controller Routing Determination Check Routing Domain Confederation(s) Response Document Capability List Positive Replace Dialed Digits Replaceable Database Driver Responsibility Driven Design Redirect Expiry Response Document End Positive Resource Data Entry Rules Radio Direction Finder Rate Decrease Factor Redirect Flush RDF (Rate Decrease Factor) Factor Reset Dialing Redirecting Number Remote Defect Indication Remote Defect Indicator Restricted Digital Information Route Digit Indicator Red Lined Remote Digital Line Interface Remote Digital Line Module Raw Data Mode Reliably Delivered Message Redirection Number Relative Distinguishing Name

RDN RdnAR RDND Rdni RdnNo RDO RDO RDOC RDP RDP RDP RDQ RDR RDR RDR RDR RDR RDRAM RDS RDS RDS rDS RDS RDS RDSC RDSS RDT RDT RDT RDT RDTD RDTL RDTM RDTP RDU RDW RDY RE RE RE RE RE RE RE RE RE RE RE RE RE RE RE364 RE3H11 RE464 RE4H10 RE4H11 REA REA READ READ

Remote Directory Number Redirection Number Restriction Roamer Do Not Disturb Redirection Information Redirection Number Relational Database Operator Result Data Object Remote Dynamic Overload Control Reliable Data Protocol Reliable Datagram Protocol Route Discovery Protocol Redirect Query ReaDeR Redirect Request Redirection Reason Regional Dynamic Routing Remote Dump and Restore Rambus DRAM Radio Data System Radio Diagnostic Software Remote Data Services (IBM) Remote Digital Section Remote Site Running Digital Sum Rainbow Distributed Software Communications Radiodetermination Satellite Service Radio Deployment Tool Rearm Dead-Time (Digital Storage Scopes) Recall Dial Tone Remote Digital Terminal Restricted Differential Time Delay Recall Dial Tone Launcher Recall Dial Tone Manager Recall Dial Tone Proxy Remote Display Unit Record Descriptor Word Ready ISO country code for Reunion picture Response Equipment (Video Terminal) Radio Exchange Receiving Entity Record End Recovery-Enabled Reference Equivalent Regular Expression Remote Electronic(s) Requirements Engineer Requirements Estimated Research or Education Reset Event Return Error Restrict 64 Kbps Calls from Trunk Group Type 3 Restrict 1536 Kbps Calls from Trunk Group Type 3 Restrict 64 Kbps Calls from Trunk Group Type 4 Restrict 1472 Kbps Calls from Trunk Group Type 4 Restrict 1536 Kbps Calls from Trunk Group Type 4 Repeat Attempt message Rural Electrification istration Real-time Electronic Access and Display (Networks) Relative Element Address Designate

READY ReBOC rec REC REC REC REC REC REC REC RECC RECL RECV RED RED RED REF ReFP REG reg REG REG REG REG REGEN REGR REI REI REJ REL REL REL COM REL RB RELGEN RELIC RELP REM REM REM REM REM REM REM REM REN REN REORD REP REP REP REPAIR REPL RePP REPROM REPT REQ REQ RER RER RERN

Rapid Engineering and Delivery Regional Broadband Operations Center Newsgroups on recreation Receiver Recommendation Record(er) Recorder macro file RECovery Regional Electricity Company REquest Confirmation (packet) Reverse Control Channel Review of the Electrical Communications Laboratories (periodical) Receive Random Early Detection Random Early Discard Redirection Information Reference Reference Fixed Part Range Extender with Gain Regenerator Message Registry File Regular Intercept Regenerator Regression Remote Error Indication REset Indication Reject(ion) Release message Released Release Complete message Release message Release Note Generator Recall Last Incoming Call Residual-Excited Linear Predictive Coding Indicates Number of Octets in Last Code Word Raster Elektronen Mikroskop Remark Remote End Remove Resource Management Resource Manager Ring Error Monitor Remote ENable (IEEE-488 Bus Signal) Ringer Equivalent Number Reorder Tone Radio End Point Repeat Character or Control Repeater Runtime Environment Performance Improvement Report Log Reference Portable Part Reprogrammable PROM Report Request Required Residual Error Rate Residual Error Ratio Reverse Explicit Route Number

RES RES RES RES RES RES RES RES RES Res RES RES RES RES RES RES RES RES RES RES 6 RES1 RES2 RESB RESET RESGRP REST REST ACK REt RET RET RET ACK RET REJ RETD RETMA RETPD REU REV REV REV REV REV(S) REV(U) REVC REVC REView REVXLVER REW REX REX REX REX REXEC REXX RF Rf RF RF RF RF RF

Binary Resource File Compiled Resource Compiled Resource file Radio Equipment and Systems (ETSI TC) Remote Entry System Remote Execution Server Reserved Reset request (packet) Resident Residential Residential Enhanced Services Resource Database Response Restore Restore service Restricted Restricted Idle Resume message Signed Response Radio Equipment and Systems, Sub-technical Committee 6 a RESponse calculated by a PT a RESponse calculated by a FT Residential Enhanced Services Base RESETting Restore service for a group of lines Restart message Restart Acknowledge message Resolution Enhancement Technology Retiree Retrieve message Retrieve Acknowledge message Retrieve Reject message Requested End-to-End Transit Delay Radio, Electronic and Television Manufacturers Association Retention Period Rainbow Equipment Unit Reversal Reverse Charging Revertive Revision Reverse Charging at call Setup time (supplementary service) Unconditional Reverse Charging (supplementary service) Reverse Charging Reverse Voice Control Channel Reverse Engineering View Reverse Translation Verification Rewind Relocatable Executable Remote Execution Facility Remote Execution Service Routine Exercise Remote Execution Protocol Restructured Extended Executor DDOC Section: Internal References feeding Resistor Radio Frequency References/Application Checklist Regional Festoon File Resource Finder

RF RF RFA RFA RFA RFBC RFC RFC RFC RFC RFC RFCC RFCH RFCR RFD RFD RFD RFDL RFE RFF RFF RFF RFF RFFC RFH RFHI RFHMA RFI RFI RFI RFI RFI RFI RFI RFID RFL RFLE RFM RFN RFN RFNM RFO RFP RFP RFP RFP RFPI RFQ RFS RFS RFS RFS RFS RFS RFS RFS RFS RFS RFT RFT

Resume Flag Ring Forward Radio Frequency Amplifier Recurrent Fault Analysis Request for Action Radio Frequency By Capacitor Radio Frequency Channel Radio Frequency Choke Request For Capability Request for Comments Request for Conductorship Radio Frequency Coupling Capacitor Radio Frequency Channel Receive Function Code Report First Digit Request for Discussion Rete Fonia Dati (Speech and Data Network) Receive FDL Radio Front End Raster File Format Request for Feature Request for Feature Form Request for Functionality Radio Frequency Feed-through Capacitor Remote Frame Handler Remote Frame Handler Interface Random Frequency Hopping Multiple Access Radio Frequency Interface Radio Frequency Interference Remote Failure Indication Remote Fault Indication Request for Information Return From Interrupt RF Immunity RF Identification RF Sublayer Remote Fiber Line Extension Ring Forward Manual Reduced Frame Number Reduced TDMA Frame Number Ready for Next Message Reason For Outage Radio Fixed Point Remote Feature Pin Report Format Procedure Request for Proposal Radio Fixed Part Identity Request for Quotation Ready for Sending Ready For Service Receive Frame Synchronisation Regional Frequency Supplies Remote File Sharing (ATT) Remote File System Request for Framework Service Request for Framework Request for Schedule Request for Services Radio Frequency Transformer Regular Full-Time

RFT RFT RFT RFTDCA RFT-DCA RFTR RFTS RFU RFX RG RG RG RG RG RG RG RG RG/U RGA RGB RGB RGBA RGD RGI RGMI RGN RGN RGP RGRP RGS RGS RGTR RH RH RH RH RH RH RH RHC RHC RHC RHCM RH RH RHD RHI RHOB RHP RHS RI RI RI RI RI Ri RI RI RI RI

Remote Fiber Terminal Requests for Technology Revisable-Form Text Revisable Form Text DCA (SNADS/DIA) Revisable-Form Text Document Content Architecture Radio Frequency Transmit Receive Remote Fiber Testing System Reserved for Future Use Record Field Exchange Rapporteurs Group (ETSI) Regenerator Regular Regular Hunt Release Guard Ring Ground Ringing Generator Routing Goop Radio Government/Universal coax-cable (US MIL-C-17) Reset Circuit Group Acknowledgement message Red, Green, Blue Red-Green-Blue (video signals) Red, Green, Blue, Alpha Rainbow Generic Device Raibow Generic Interface Remote Generic Maintenance Interface Redirecting Number Region Raster Graphics Processor RDAS Group Option Redirecting Subaddress Route Guidance Service Regenerator Receive Hub Relative Humidity Request Header Request Header/Response Header Request/response header (SNA) Resource Header File Rocky Hill Red Hat Commercial Regional Holding Company right-hand circular (polarization) Relative Humidity Control Module Right-Hand Circular Polarization Rural Health Care Provider Residential Hold Range-Hight Indicator (radar) Relevant Hierarchical Operational Binding Right-Hand Plane Right Hand Side Radio Identity Radio Infrastructure Rate Index Reference Identifier Reference Implementation Reference Number Repeat Indication Requirements Identified Reset Indication Resource Index

RI RI RI RI RI RI RI RI RI RI RIA RIAA RIB RIBE RIC RIC RIC RIC RIC RICCOM RICCOMM RIC-DS1 RICH RICMOS RICOS RIC-T1 RID RID RID RID RID RID RIDE RIE RIF RIF RIF RIF RIFF RIG RIG RIL RIL RIM RIM RIM RIN RINET RInh RIO RIOT RIP RIP RIP RIP RIP RIP RIP RIPE RIPL

Response Identifier Restart Indicator Restriction Indicator Reverse Index Ring In (MAU) Ring Indicator Ring Interface Route Index Routing Indicator U.S. postal code for Rhode Island Robotic Industry Association Recording Industry Association of America RenderMan Interface Bytestream Reactive Ion Beam Etching RACE Industrial Consortium Radio Identity Code Radio Interface Card Realtime Interface Co-processor (IBM Inc.) Remote Interface Controller Remote Interface Controller Communication Radio Interface Card Communication System Radio Interface Card- DS1 Interface Richardson Radiation Insensitive Complementary Metal-Oxide Semiconductor Radio Interface Card Operating System Radio Interface Card- T1 Interface Record Identifier Relative Identifier Remote Isolation Device Resource ID Response ID Routing Identifier Requirements Integrated Development Environment Reactive Ion Etching Rainbow Issue Forum Rate Increase Factor Route Information Field Routing Information Field Resource Interchange File Format Regional Interest Group Relational Interface Generator Radio Interface Layer Resource Interface Layer Receiver Intermodulation Remote Interface and Maintenance Request Initialization Mode (HDLC) Relative Intensity Noise Reinsurance and Insurance Network Remote Inhibit Reference Information Object (CCA/VTS) Random access memory Input/Output Timer Radio Interface Protocol Raster Image Processor Remote Imaging Protocol Request in Progress Ring Interface Processor Ring Interworking on Protection Routing Information Protocol (T/IP-DoD) Reseaux IP Europeens Remote Initial Program Load

RIPng RIPSO RIPv2 RIRO RIS RIS RIS RIS RIS RIS RIS RIS RIS RISC RISC RISE RISLU RISP RISU RIT RIT RIT RIT RIT RIT RIT RITA RITS RITT RIWS RJ RJ RJ RJ RJE RJS RJU RKB Rl RL RL RL RL RL RL RL RL RL RL RL RL RL RL1 RL2 RLAN RLAT RLB RLC RLC RLC

RIP Next Generation Revised IPSO RIP Version 2 Roll-In Roll-Out Radio Interface Subsystem Radio Investigation Service (RA-UK) Radiology Information System (Siemens AG) Random Interleaved Sampling Recorded Information Service Reference Information Store (VT) Re-Inventing Information Systems Reset to Initial State Retransmission Identity Signal Reduced Instruction Set Computer Reduced Instruction Set Computing Retrieval and Interchange of Standards in Europe Remote Integrated Services Line Unit Regional Internet Service Provider Remote Controlled System-Independent Switching Unit Link Remote Inhibit Test message Rate Index Table Rate of Information Throughput, Rate of Information Transfer Raw Input Thread Rochester Institute of Technology Run Integrity Test Reliable Internetwork Troubleshooting Agent Review and Inspection Tool Set Research Institute of Telecommunications and Transmission Remote Incoming Window Size Rapporteurs t Meeting (ETSI) Junctor ed Jack Reject Remote Job Entry Remote Job Service Residential Junction Unit Ring Knowledge Base load Resistance Rate Line Receive Leg Reflection Loss List Reinforced Learning Remote Remote Loopback Requirements List Reservation Level Resource Layer Resource Locator Return Loss Run-Length Reservation Level 1 Reservation Level 2 Radio Local Area Network Resource Layer Association Table Remote Loopback Radio Link Control Release Complete message Remote Line Controller

RLC RLCE RLCM RLCN RLD RLE RLE RLE RLE RLF RLG RLG RLG RLI RLIN RLL RLL RLL RLL RLL RLL RLM RLMPS RLMS RLN RLO RLP RLPF RLR RLRE RLRH RLRQ RLS RLS RLS RLS RLS RLS RLS RLSD RLSD RLSF RLSI RLSM RLST RLT RLT RLTC RLTP RLU RLWE RM RM RM RM RM RM RM RM RM

Resource Locator Class Remote Line Concentrating Equipment Remote Line Concentrating Module Remote Logical Channel Number Relocation Dictionary Remote Line Extension réseau local d'entreprise Run Length Encoded Run Length Encoding Reverse, Line Feed MDII: Release Guard Signal Received- Nonstable Outgoing Trunk Release Guard message Release Guard signal Remote Line Interface Research Libraries Information Network Radio in the Local Loop Radio Link Layer Radio Local Loop Radio on the Local Loop Receive Loop Loss Run Length Limited (Coding, Magnetic Recording) Remote Line Module Remote-to-Local Maximum Packet Size Return Loss Measuring Set Remote LAN Node Receiver Local Oscillator Radio Link Protocol Reconstruction Low- Filter Receiver Loudness Rating A-RELEASE response/confirm Handset Receiving Loudness Rating A-RELEASE request/indication Call Release Recursive Least Squares Release Release message Release Utility Remote Line Switch Remote Logs System Receive Line Signal Detector Released Message ReLeaSe Failure Receive Line Signal Indicator Remote Line Switch Module Release Timer Release Link Trunk(ing) Remote Line Test Remote-to-Local Throughput Class Remote Line Test Processor Remote Line Unit Receive Lower Window Edge Rapid Messaging Rate Multiplier Record Mark Reference Manual Reference Model Regional Manager Reliable Multicast Remote Member Replication Manager

RM RM RM RM RM RM RM RM RM RM/OSI RMA RMA RMA RMA RMA RMA RMAN RMan RMAP RMAP RMAS RMATS-1 RMB RMB RMB RMBAM RMBPT RMBPTAM RMC RMC RM RMCS RMCS RMD RMD RMD RME RME RMESE RMF RMI RMI RMI RMI RMI RMIA RMIB RMIR RML RMM RMM RMN RMN RMO RMOA RMOD RModA RM-ODP RMON RMON

Requirements Management Requirements Model Reservation Management Reset Mode Resolution Meeting (ETSI) Resource Management Resource Manager Resource Module Role Mapping Reference Model of Open Systems Interconnection Random Multiple Access RealMedia Architecture Remote istration module Remote Management Agent Request for Manual Assistance Returned Merchandise Authorization Remote Load Management Resource Management Remote Maintenance and istration Position Remote Memory istration Position Remote Memory istration System Remote Maintenance, istration and Traffic System-1 Remote Make Busy Remote Manual Busy Right Mouse Button Remote Make Busy for Analog Member of EKTS Remote Make Busy Point Remote Make Busy Point for Analog Member of EKTS Remote Maintenance Center Resource Management Client Remote Module Control Processor Remote Monitor and Control System Resource Manager Communication System RAM Mobile Data Reliable Multicast Datagram Required Markup Declaration Remote Miscellaneous Equipment Routing Management Entity Request Multiplex Entry Signalling Entity Reliable Multicast Framework Random Minimum Interference Remote Maintenance Interface Remote Method Invocation Resource Manager Interface Route Monitoring Information Resource Management Independent Access Remote Management Information Base Random Minimum Interference with Reassignment Resource Management Layer Remote Maintenance Module Resource Maintenance Manager Remote Multiplexer Node Remote Multiplexor Node Real MO Real-time Multimedia Over ATM Requirements Modeling Resource Module Agent Reference Model for Open Distributed Processing Internet Remote Monitoring MIB Remote Monitoring

RMon RMOOS RMOS RMP RMP RMP RMP RMP RMP RMP RMR RMRP RMS RMS RMS RMS RMS RMS RMS RMS rms RMS RMS/D RMS/M RMSC RMS-D RMSG RMS-M RMT RMT RMT RMTA RMTE RMTM RMTP RMTP+ RMTS RMU RMU RMU RMUI RMUI RMV RMW RMWI rn RN RN RN RN RN RN RN RNA RNA RNAM RNAMBL RNAMPN RNC RNCC

Remote Monitoring Rapid Messaging Out-of-Service Realtime Multitasking multiprocessor Operating System (Siemens AG) Reference Model Processor Release Management Process Reliable Multicast Protocol Remote Meter Pulsing Resource Management Proxy Routing Management Protocol Rural Modernization Program Remote Message , Reversal Remote Module Radio Port Record Management System Redundancy Management Services Release Management System Remote Measurement System Remote , Signal Distribution Point Resource Management System RID/MID/PID System Root Mean Square root mean square Root Mean Square (value) Remote Measurement System/Digital Remote Measurement System/Metallic Remote Maintenance Switching Center Remote Measurement System-Digital Rapid Messaging Remote Measurement System-Metallic Reliable Multicast Transaction Remote Message for Toll Calls Ring Management Remote Metallic Test Access ReMoTE Remote Maintenance Trunk Module Reliable Multicast Transport Protocol Reliable Multicast Transport Protocol Plus Remote Module Time Switch Remote Maintenance Unit Remote Measurement Unit Remote Monitoring Unit Remote Interface Resource Management Interface Remove Read-Modify-Write Remote Message Waiting Indicator Read News Redirecting Number Reference Noise Regional Number Release Notes Re-routeing Number Routing Number Teilnehmer-Rufnummer (Subscriber Directory Number) Remote Network Access Ring Node Address Redirecting Name Delivery Redirecting Name Delivery Billing Records Redirecting Name Delivery with Personal Name Delivery Radio Network Controller Regional Network Control Centre

RNN RNCS RND RND RNDTYP RNE RNF RNG RNG RNHL RNI RNI RNI RNI RNI RNIBL RNIBLP RNIE RNL RNM RNMS RNN RNN RNP RNR RNT RNTABLE RNU RNUM RO RO RO RO RO RO RO RO RO ROROA ROA ROAD ROAD ROADS ROB ROB ROBO ROC ROC ROC ROCH RODM RODR ROE ROER ROES ROFL ROH ROHP ROI

Redirected Number/Calling Party Number Remote Network Communication System Random Redirecting Number Delivery Redirecting Number Delivery Type Reseau National d'Essais (F) Receiver Noise Figure Redirecting Number Ring Release Notes Help Line Early Cut-Through for Remote Network Interworking Radio Network Interface Rainbow Network Interconnect Raw Native Interface Remote Network Interworking Redirecting Number Information Delivery Billing Records Redirecting Number Information Delivery Billing Records for PRI Redirecting Number Information Element Radio Network Layer Resource Notification Manager Regional Network Monitoring System Redirection Number Rejection Information Redirecting Number Privacy Receiver Not Ready Radio Network Termination Table of 128 integers in the hopping sequence Radio Network Unit Registration Number ISO country code for Socialist Republic of Romania Ready-Only Receive Only Remote Operation(s) Reorder Request Object Responsible Organization Ring Out (MAU) ROSE Service Remote OperationRecognized Operating Agency Return On Assets Research on Object-Oriented Analysis and Design Routing and Addressing Running Out of Address Space Reorder Buffer Resilent Object Remote Office/Branch Office Receiver Operating Characteristic Regional Operating Company RTP Object Center Rochester Resource Object Data Manager Reorder Treatment Remote Office Equipment RO-ERROR Application Protocol Data Unit Receive Only Earth Station Rolling on the floor laughing Receiver Off-Hook Receive Overhead Processor Region Of Interest

ROI ROIV ROIV ROL ROL ROLC ROLR ROM ROM RON RONI ROOM ROOM ROOTSIG Group ROP ROP ROP ROP RoP ROP2 ROPM ROPM ROPP ROR ROR RORE RORJ RORJ RORS RORS ROS ROS ROS ROS ROS ROS ROS ROS ROS ROSA ROSE ROSE ROSI ROT ROTFL ROTL ROTR ROTS ROTT ROUTOP ROV ROWS RP RP RP RP RP RP RP

Return On Investment Invoke (ROSE PDU) RO-INVOKE Application Protocol Data Unit Read-Only Latch ROtate to the Left Routing Over Large Clouds Receiving Objective Loudness Rating Read-Only Memory Relational Object Manager Radio Overlay Network Remote Operator Number Identification Real-Time Object-Oriented Modeling ROSA Object Model Research Triangle Area Object Oriented Technology Special Interest Raster Operation Read-Only Printer Receive-Only Printer RTP Object Center Rules of Procedure Binary Raster Operation Remote Operations Protocol Machine ROSE Protocol Machine Receive-Only Page Printer Reorigination ROtate to the Right Return Error (ROSE PDU) ReJect (ROSE PDU) RO-REJECT Application Protocol Data Unit Return Result (ROSE PDU) RO-RESULT Application Protocol Data Unit Read-Only Storage Realtime Operating System Remote Operation Service Remote Operations Remote Operations Server Remote Operations Service Remote Operator System Remote Oscillator Shelf Return On Sales RACE Open Services Architecture Remote Operations Service Element Research Open System for Europe Radio Signaling Remote Operation Terminal Rolling on the floor laughing Remote Office Test Line Receive Only Typing Reperforator Rotary Out Trunk Switch Reorder Tone Trunk Routing Optimizer Remotely Operated Vehicle Remote Outgoing Window Size Radio Port Reference Point Remote Printer Remote Programming Rendezvous Point Requirements Process Resource Processor

RP RP RP RPA RPA RPA RPAG RPAM RPC RPC RPC RPC RPC_M RPCGEN RPCM RPCM RPCM RPCU RPD RPDI RPDN RPDU RPE RPE RPE RPE RPE RPE-LPC RPELTP RPE-LTP RPE-LTP RPF RPG RPG RPG RPI RPI RPI RPI RPI RPI RPI RPL RPL RPL RPL RPL RPLPC RPLSQ RPM RPM RPM RPM RPM RPM RPM RPM rpm RPM RPN

Resource Profile Routing Point Rules of Procedure Repeated Alert Resource Planning Appropriation Resting Point of Accomodation Radio Paging Receive Pulse Amplitude Modulation Radio Port Controller Raster Printer Controller Remote Procedure Call Remote Process Creator Remote Procedure Call Message Remote Procedure Call Protocol Compiler Receive PCM Remote Procedure Call Manager Remote Procedure Call Mechanism Radio Port Control Unit Resource Profile Directory Radio Packet Data Infrastructure (TETRA) Radio Packet Data Network (TETRA) Receiver Power Distribution Unit Regular Pulse Excitation Regular Pulse-Excited Remote Peripheral Equipment Residual Pulse Excitation Resource Profile Entry Regular Pulse Excitation/Linear Predictive Coding Regular Pulse Excitation Long-Term Prediction Regular Pulse Excitation-Long Term Prediction Residual Pulse Excitation- Long Term Predictive Reverse Path Forwarding Report Program Generator Role-Playing Game Rotary Pulse Generator Radio Port Intermediary Remote Packet Interface Rensselaer Polytechnic Institute Retail Price Index Return to Point of Interrupt Rockwell Protocol Interface Routing Protocol Interface Radio Physical Layer Rapid Prototyping Language Remote Program Load Requested Privilege Level Resource Profile Locator Regular Pulse Linear Predictive Coding Remote Packet Level Sequencing Radio Port Multiplexer Red Hat Package Manager Regular Peripheral Module Reliability Performance Measure Remote Port Module Remote Power Monitor Requirements Process Model Revolutions Per Minute revolutions per minute Rotations Per Minute Physical Page Number

RPN RPN RPN RPO RPOA RPOA RPOAB RPOAS RPP RPS RPS RPS RPS rps RPS RPS RPSA RPSB RPSL RPT RPT RPT RPT RPT RPTR RPU RPU RPV RPX RQ RQ RQ RQBE RQGR RQMS

Radio fixed Part Number Real Page Number Reverse Polish Notation (Calculators) Remote Processor Outage Recognized Private Operating istration ed Private Operating Agency Recognized Private Operating istration Barred Recognized Private Operating istration Selection Reliability Prediction Procedure Recall Position Seizure Reference Picture Selection Regional Patch Selector Regional Patching System Revolutions Per Second Ring Parameter Server Rotational Position Sensing Redirecting Party Subaddress Rate Period Specific Billing Routing Policy Specification Language Radio Personal Terminal Repeat Repeater Repetition Report File Repeater Radio Port Unit Residential Power Unit Remote Piloted Vehicle Raster Printer Accelerator (Laser Printer Chip) Rate Quotation Request Requests in Queue Relational Query By Example Reliability and Quality Generic Requirements Reliability and Quality Measurements for Telecommunications System

RQMT RQMTS RQSSGR RR RR RR RR RR RR RR RR RR RR RR RR RR RR RR RR RR RR RR RR RR

Requirement Requirements Reliability and Quality Switching Systems Generic Requirements Radio Regulations (ITU) Radio Regulatory (CEPT) Radio Resource Radio Resource management Rate and Route Receive Ready Receiver Ready Receiver Report - Relay Rack Remote Relay Repair Rate Required Resource Reroute Re-Route Rerouted Resource Record Return Rate Return Result Revertive Ring Ripple Rejection

s

RR RR RR RRAS RRB RRBC RRBCME RRC RRC RRC RRC RRCA RRD RRDS RRE RRE RRF RRF RRF RRG RRG RRI RRI RRIF RRJ RRL RRM RRM RRM RRN RRQ RRQ RRR RRR RRTE RS RS RS RS RS RS RS RS RS RS RS RS RS RS RS RS RS RS RS RS RS RS RS RS RS

Round Robin Routing and Reporting Routing Registry Routing and Remote Access Service Radio Regulations Board Release-to-Release Binary Compatibility Request Report BCM Event Radio Resource Control Regional Control Center Regional Radiocommunication Conference (ITU) Root Raised Cosine Rapid Root Cause Analysis Revised Resistance Design Relative Record Data Set Receive Reference Equivalent Receiving Reference Equivalent Radio-Related Functions Real File Reliability Review Forum Relay Rack Ground Resistance Ring to Ground request/response indicator (SNA) Re-Route Inhibit Remote Radio Interface Registration Reject Radio Research Laboratories Radio Resource Management Regenerative Repeater Machine Remote Receiver Module Rerouting Network Read Request Registration Request Regular Reroute Reservation Bits Reroute Radiocommunication Sector (ITU-RS) Rate Schedule Rate Step Reader Stop Recall Service Receive Signature Reception Status Recommended Standard (EIA) Record Separator (IA5) Record Start Redirecting Subaddress Reed-Solomon Regenerator Section /Sender -Storage Registration Services Relative Shelf Remote Single-Layer Request to Send Requirement(s) Specification Resource Surrogate ReSynchronize Route Selector Route Set Route Switch

RS RS R-S RSA RSA RSA RSA RSA RSA RSA RSA RSA RSAC RSADSI RSAIT RSAT RSB RSB RSC RSC RSC RSC RSC RSC RSC RSC RSC RSC RSC RSCI RSCM RS RSCS RSCS RSCS RSC-S RSD RSD RSD RSD RSDR RSDS RSE RSE RSE RSE RSEE RSET RSF RSFG RSG RSGB RSH RSH rsh RSI RSI RSI RSI RSI

Route Switching Session Key for Routing Reed-Solomon Receiver Service Agent Repair Service Answering Repair Service Attendant Reset Circuit Group Acknowledge message Rivest-Shamir-Adleman Root Service Allocator Rural Service Area Rural Serving Area Rural Statistical Area Recreational Software Advisory Council RSA Data Security Inc. Redirecting Subaddress Information Transfer Reliability and System Architecture Testing Repair Service Bureau Reset-Band signal Radio Station, Central Rating System Client Receiver Signaling Channel Recognition Selection Committee Recursive Systematic Convolutional Remote Switching Center Remote System Call Reset Circuit message Reset Confirmation message Reset-Circuit signal Route Set Congestion Access Test Message ISDN Remote Switching Center Reset Confirmation Message Received Signal Code Power Remote Spooling Communications Subsystem Remote Switching Center- SONET Remote Switching Center Streamlined Remote Switching Center- SONET Redirecting Subaddress Delivery Remote Serving Device Requirements Specification Descriptor Root Service Directory Real-Time State Dependent Routing Root Service Directory Surrogate Radio System Entity Signalling Element Remote Service Equipment Remote Single Layer Embedded (deprecated test method) Rainbow Software Engineering Environment ReSET (HDLC) Resource Finder Route Server Functional Group Reset Circuit Group Message Radio Society of Great Britain (Radio Amateur) Remote Shell Restricted Shell Restricted Shell Rate Schedule Indicator Record Status Indicator Sender Inward Repetitive Strain Injury Repetitive Stress Injury

RSI RSIDE RSIE RSL RSL RSL RSL RSLE RSLM RSLS RSLT RSLT RSM RSM RSM RSM RSM RSM RSM RSM RSM RSN RSN RSN RSN RSO RSO RSOH RSOS RSP RSP RSP RSP RSP RSP RSP RSPID RSR RSR RSR RSR RSRM RSRP RSRQ RSRT RSS RSS RSS RSS RSS RSS RSS RSS LIN RSSI RSSI RSSI RSSI RSSI RST RST

Reselection Indication message Remote Side Redirecting Subaddress Information Element Radio Signaling Link Received Signal Level Remote Serial Link Request and Status Link Remote Subscriber Line Equipment Remote Subscriber Line Module Replypath SideLobe Suppression Radio Subscriber Line Terminal Result Rainbow System Manager Remote Service Module Remote Switch(ing) Module Reset message Route Set Management Route Set Method Route Set Test Message Route State Machine Signaling-Route-Set-Test Message Radio Station, Nodal Real soon now Record Sequence Number Remote Switched Network Access Regional Standard(s) Organization Sender Outward Regenerator Section Overhead Remote Operating System Real-time Service Processor Response Restricted Sent Paid Root Service Proxy Route Set Test Prohibited message Runtime, Signaling & PRISM Signaling-Route-Set-Test Prohibited signal Remote Service Profile Identifier Reselect Request message Reset Request message Route Set Test Restricted message Signaling-Route-Set-Test Restricted signal Reset Request Message Reference Signal Received Power -> 4G LTE Reference Signal Received Quality -> 4G LTE Signaling Route Set Test Control Received Signal Strength Signalling System Remote Switching Site Remote Switching System Residential Service System Root Service Selector Root-Sum of Squares Remote Switching System Line Radio Signal Strength Indication Radio Signal Strength Indicator Received Signal Strength Indication Received Signal Strength Indicator -> 4G LTE Received Signal Strength Information MDII: Reset Signal Received that Aborts Outgoing Call Radio Station, Terminal

RST RST RST RST RST RST RST RST RST RST RSTE RSTP RSTP RSTS RSU RSU RSU RSUS RSUS RSVA RSVD RSVD RSVD RSVP RSX RSX RSZI RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RTRT(X)-DOS RT1

Regenerator Section Termination Repeater Station Reset Reset flag Reset-Circuit Restore Restricted Route Set Test message Route Set Test signal Routing and Screening Treatment Regenerator Section Terminating Equipment Real-Time Stream Transport Protocol Regional Signal Transfer Point Resource Sharing Time Sharing Remote Subscriber Unit Remote Subscriber(s) Unit Remote Switch(ing) Unit Requested Suspended Line Requested Suspension Rate Schedule Variation Rapid Sequential Visual Display Reserved Reserved bits for future definition Resource Reservation Protocol Real Time Resource Sharing Executive Realistic Sound Experience Regional Subscription Zone Identity DDOC Section: Real Time Radio Telephony Radio Terminal Radiotelephone Rate Real Time Real Time Receive Timing Traffic Transfer Translator Reliable Transfer ed Table Remote Terminal Reorder Tone Request Type Resource Type Response Time Resume Typing Ring Timing Ring Trip Ringback Tone Ringing Tone Ring-Trip RoundTable Route Route Treatment Router Routing Table RTSE Service Reliable TransferReal-Time (Task)-DOS Real-Time-1

RT2 RTA RTA RTA RTA RTA RTA RTA RTAC RTAC RTAM RTANNC RTAP RTAP RTB RTB RTB RTC RTC RTC RTC RTC RTC RTC RTC RTC RTC RTC RTCA RTCA RTCC RTCG RT RT RT RTD RTD RTD RTD RTD RTD RTD RTD RTDC RTDE RTDMS RTDMS RTDN RTDS RTDSE RTDTR RTE RTE RTE RTE RTE RTE RTE RTE RTE

Real-Time-2 Rapid Thermal Annealing Real-Time (Data) Acquisition Remote Test Access Remote Trunk Arrangement Remote Trunking Arrangement Response Time Analyzer (INOS-ATT) Routing and Terminal istration Regional Technical Assistance Center Transfer Allowed Control Remote Terminal Access Method Routed to an Announcement Real Time Application Platform Real-Time Applications Real Time Billing Retransmission Buffer Route Block Raleigh Training Center Real Time Controller Real-Time Chat Real-Time Clock Real-Time Control Restart Confirmation Restart Confirmation (packet) Return To Control Rich Text Compressed Routing Control Run-To-Completion Real Time Charge Advice Requirements and Technical Concepts for Aviation (USA) Transfer-Controlled Control Run-To-Completion Group Real Time Control Protocol Real-Time Transport Control Protocol RTP Control Protocol Real Time & Distributed Real Time Difference Real Time Distributed Record Type Descriptor Reference Time Device Reset Trunk Data Resistive Temperature Detector Round Trip Delay Regional Telecommunication Development Conference Round-Trip Delay Estimate Real-Time Data Management System Real-Time Database Management System Routed to the Specified DN Real-Time Distributed System Kernel Round Trip Delay Signalling Entity Real-Time Dynamic Traffic Routing Real-Time Executive Real-Time Extensions Remote Terminal Emulator Remote Terminal Emulator/response time estimator (SNA) Route Route Table Entries Routing Routing Enabled Run-Time Environment

RTEB RTEC RTEI RTERMIDTYP RTES RTF RTF RTF RTF-J RTFM RTFM RTFM RTFM RTFM RTFR RTG RTH RTI RTI RTI RTI RTI RTI RTI RTI RTI RTI RTIC RTIE RTIF RTIF RTIF RTIF RTIU RTIX RTL RTL RTL RTL RTL RTL RTL RTL RTLP RTLP RTM RTM RTM RTM RTM RTM RTM RTM RTM RTMC RTMc RTMC RTMP RTMP RTMS

Routing Block Raleigh Technical Education Center Remote Terminal Endpoint Identifier Remote Terminal ID Type Real Time Expert System (Bellcore) Radio Terminal Function Real Time Feed Rich Text Format Rich Text Format-Japanese Read the Fantastic Manual Read the Fine Manual Read the Friendly Manual Read the Funny Manual Read the manual Real Time Flexible Rating Resistance Tip to Ground Remote Telecommunications Hub Rate Treatment Index Referred To Input Remote Terminal Interface Response Type Indicator RestarT Indication Return from Interrupt Road Transport Informatics Road Transport Information systems Route Index Run Time Instrumentation Real Time Interface Coprocessor Relative Time Interval Error Remote Terminal Interface Remote Thumbwheel Interface Reset Terminal Interface Restart Terminal Interface Remote Terminal Interface Unit Rate Treatment Index Table Radio Technology Laboratory (RA) Transfer Language Transfer Level Resistor-Transistor Logic Round Trip Loss Runtime Library Run-Time Library Siemens Research and Technology Laboratories Receive Transmission Level Point Reference Transmission Level Point Ready To Manufacture Receive Transmit Multiplex Reference Test Method Release to Manufacturing Reliablity Test Module Requirements Traceability and Management Response Time Monitor (SNA) Runtime Manager Run-Time Manager Real-Time Management Coordination RTM Candidate RTM Compile Routing Table Maintenance Protocol Routing Table Management Protocol Radio Telephone Mobile System

RTMv3 RTN RTN RTNR RTNR RTO RTO RTOFM RTOFM RTOIS RTO-IS RTONIS RTO-NIS RTORQ RTOS RTP RTP RTP RTP RTP RTP RTP RTP RTPC RTPM RTPM RTR RTR RTR RTRC RTRS RTRV RTS RTS RTS RTS RTS RTS RTS RTS RTS RTS RTS RTS-5A RTSA RTSE RTSE RTSI RTSP RTSS RTT RTT RTT RTT RTT RTT RTT RTT RTTB RTTF

Requirements Traceability and Management- Version 3 Rate Treatment Number Retrain Negative Real-Time Network Routing Ringtone No Reply Ready To Order Retransmission Time Out Read the Other Fine Manual Read the Other Friendly Manual Ready To Order In-Service Ready To Order- In Service Ready To Order Not In-Service Ready To Order- Not In Service RT-OPEN request/indication Real-Time Operating System Rapid Thermal Processing Rapid Transport Protocol Real-Time Protocol Real-Time Transport Protocol Release To Pivot Research Triangle Park Retrain Positive Room Temperature and Pressure Transfer Prohibited Control Reliable Transfer Protocol Machine RTSE Protocol Machine Real-Time Reliable Resistance Tip to Ring RestarT Request (packet) Transfer-Restricted Control Real-Time Rating System Retrieve Ready To Ship Real-Time Simulator Real-Time System Reliable Transfer Service (OSI, X.400/MHS) Remote Test System Request To Send (signal) Residual Time Stamp Return from Subroutine Return To Service Runtime Service Run-Time System Remote Test System-5A Real-Time Structured Analysis Reliable Transfer Service Element (OSI, X.400/MHS) Remote Transfer Service Element Real-Time System Integration Real Time Streaming Protocol Run-Time System Radio Teletypewriter Radio Transmission Technology RadioTeleType Regie des Telegraphes et des Telephones (B) Resident Tunneling Transistors Round-Trip Time Route Translation Table Run-Time Team Real-Time Testbed Routine Transmission Test Failure

RTTH RTTI RTTI RTTI RTTP RTTR RTTS RTTT RTTU RTTY RTTY RTU RTU RTU RTU RTU RTV RTV rt-VBR RTW RTWC RTX RU RU RU RU RU RU RU RU RUA RUA RUB RUC RUI RUN RUP RUPI RURAX RUS RUS RUWE RV RVA RVA RvC RVC RVC RVD RVI RVLC RVM RVMS RVQ RVR RVSA RVT RVT RW RW

Radio To The Home (DECT) Road Traffic and Transport Informatics Run-Time Type Identification Run-Time Type Information RT-TURN-PLEASE TR-TRANSFER-REQUEST Receive Transmit Time Switch Road Transport and Traffic Telematics Remote Trunk Test Unit Radio Teletype Radio Teletypewriter Remote Terminal Unit Remote Test Unit Residential Transceiver Unit Right to Use Routing Update Real-Time Video Room Temperature Vulcanising (Elastomer) Real-Time Variable Bit Rate Rate Treatment Word Redirected Two-Way Call Real-Time Executive Are you? ISO country code for Russian Federation (Russia) Recording Unit Release Unit Remote Unit request unit/response unit (SNA) Residential Unit Response Unit Received Upstream Neighbor's Address Remote Area Remote Unit Bay Remote Unit Cabinet Request Unit Interface Runtime Reuse Partitioning Remote Universal Peripheral Interface Rural Automatic Exchange Restrict Usage Sensitive Use Rural Utility Services Receive Upper Window Edge Remote Video Recorded Voice Announcement Review Announcements Dutch Council for Certification Rate Variation Code Reverse Voice Channel Remote Virtual Disk ReVerse Interrupt (BSC) Reverse VLC Review Minutes RDAS Voice Mail Service Recursive Vector Quantization Rapid Virtual Reality Remote Variant Selection Algorithm Reverse Trunk Timing Routing Verification Test ISO country code for Rwandese Republic (Rwanda) Read/Write

RW RW RWA RWC RWI RWI RWITM RWM RWOK RWS RWS-CC RX RX Rx RX RX RX RxBD RXD RXLEV RxM RXQUAL RxSB RZ RZ RZ(P)

Regional Workshop Rogue Wave Routing Wavelength Assignment Reduced Write-Current Radio and Wire Integration Reset Window Indicator Read With Intent To Modify Read-Write Memory Read/Write OK Regional Workshop Regional Workshop Co-ordinating Committee Receive Receiver Reception -Indexed Storage Remote Exchange Resume Execution Receive Buffer Descriptor Receive Data Received Signal Level Receive Machine Received Signal Quality Received Signaling Bit Pattern Resistance Zone Return-to-Zero (recording) Polarized Return-to-Zero (recording)

back to top|0-9|A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R - S T|U|V|W|X|Y|Z S S s S S S S S S S S S S S S S S S S S S S s S S S S S

S reference point Screen second Segment Sent Serial Session Session Layer Session Layer Service Session Transactor Set-up Short Duration Sign Sleeve Solved South Spanish Station Status Sticky Bit Storage Strike-Through (HTML tag) String Student Supervisor Supervisory Supervisory function bit Surrogate

S SS&H S&SE S/360 S/370 S/390 S/A S/D S/D S/DMS S/H S/I S/M/ST S/MIME S/N S/P S/PDIF S/P-DIF S/R S/RSC S/S S/SYS S/T-ISLC S/U S/W S/WAN S1) S12 s5fs SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA/IC SA/SD SAA SAA SAA

Switch Slotted Sample and Hold Software and Systems Engineering System 360 System 370 System 390 Status/Alarm Signal/Distortion Ratio Source/Drain Supernode/DMS Sample and Hold Signal to Interference ratio SCE Service/Modular/System Transferrence Secure MIME Signal to Noise ratio Serial-to-Parallel Sony/Philips Digital Interface Format Sony/Philips Digital Interface Format Send/Receive SONET Remote Switching Center Summary/Status Storage System S/T-Interface ISDN Line Card Single Software Secure WAN Supervisory function bit System 12 System V File System ISO country code for Kingdom of Saudi Arabia Scientific American (periodical) Search Area (TETRA) Section Adaptation Service Affecting Service Agent Service Alarm Service Analysis Service Area Service Assistant Set-up Acknowledge Signaling Agent Single Armor Single Armored Slow Acting Source Address (IBM) Source Allocation Stand-Alone Structured Analysis Stubs Available Sub-address Switched Access System istration System System Agent Service Assistant/In Charge Structured Analysis/Structured Design Service Adaptive Access Service Architecture Analysis Service Aspects and Applications

SAA SAA SAAL S-AAL SAAL-5 SABA SABM SABME SABT SAC SAC SAC SAC SAC SAC SAC SAC SAC SAC SAC SAC SAC SAC SAC SAC SACB SACC SACC SACCH SACCH SACCH/C4 SACCH/C4 SACCH/C8 SACCH/T SACCH/T SACCH/TF SACCH/TF SACCH/TH SACCH/TH SACCS SACF SACF SACF SACF SACHH/C4 SACK SACL SACR SACTS SAD SAD SAD SAD SAD SAD SADC S SADR SADR SADS

Standards Association of Australia System Application Architecture (IBM) Signaling ATM Adaptation Layer Signaling ATM Adaptation Layer Signaling ATM Adaptation Layer 5 Software Architecture Based Analysis Set Asynchronous Balanced Mode Set Asynchronous Balanced Mode Extended Status, Aborted SCE Access Control Service Access Code Service Access Controller Service Activation Controller Service Agent Connection Serving Area Concept Signaling Address Controller Site istrative Computer Special Area Code Status and Command Status and Control STM-to-ATM Converter Synchronous-to-Asynchronous Converter Synchronous-to-ATM Conversion Syntax-Based Arithmetic Coding System Activity Coordinator Subscriber Activated Call Blocking Service Agent Connection Component Slow Associated Control Channel Slow Associated Control Channel Slow Associated Control CHannnel Slow Associated Control Channel/SDCCH/4 Slow, SDCCH/4 Associated, Control CHannel Slow Associated Control Channel/SDCCH/8 Slow Associated Control Channel/Traffic Channel Slow, TCH-Associated, Control CHannel Slow Associated Control Channel/Traffic Channel Full Rate Slow, TCH/F-Associated, Control CHannel Slow Associated Control Channel/Traffic Channel Half Rate Slow, TCH/H-associated, Control CHannel Strategic Air Command Control System Service Access Control Function Service Application Control Function Single Association Control Function Single Association Controlling Function Slow, SDCCH/4 Associated, Control CHannel Selective Acknowledgement System Access Control List Set of Allowable Calling Rates Sequentially Controlled automatic Transmitter Send All Digits message Sender Attachment Delay Service Attribute Determinator Single istrative Document (UN/ECE) Space Antennae Diversity Speech Activity Detection Special Access Data Channel Synchronous Asynchronous Data Module Sender Atachment Delay Recorder Sender Attachment Delay Recording System istration Data System

SAE SAE SAE SAE SAE SAER SAF SAF SAF SAF SAFE SAFE SAFER SAFT SAF-TE SAG SAGE SAGE SAGE SAGFET SAGR SAI sai SAI SAI SAI SAI SAI SAIC SAID SAJI SAL SAL SAL SAL SAL SALN SALT SAM SAM SAM SAM SAM SAM SAM SAM SAM SAM SAM SAM SAM SAM SAM SAM SAM SAM SAM SAM SAM1 SAM2

Service Alteration Element Society of Automotive Engineers Switch Access Evolution Switched Access Evolution Systems Application Engineering Service and Equipment Record Service Access Facility Service Agency Framework Service Agent Framework Strategic Automation Framework Security and Freedom through Encryption Store And Forward Element Split Access and Flexible Egress Routing Service Agency Framework Team SCSI Accessed Fault-Tolerant Enclosures SQL Access Group Security Algorithms Group of Experts (ETSI) SemiAutomatic Ground Environment, Space-Alternating Generalized Expectation-Maximization Self Aligned Gate FET Supergroup Automatic Gain Regulator S/T-Interface Activity Indicator S/T-Interface Activity Indicator Security Association Identifier Service Access Indicator Service Area Interface Sub-Architecture Interface System Access Interface Science Applications International Corporation Speech-Activated Intelligent Dialing Self-Aligned Junction Isolation (IC Production) Service Access Layer Soft Adjacent Layer Solid ALuminum (Capacitor) Special Access Line SQL Windows Application Language Station istration Line Subscriber's Apparatus Line Tester SDM ASCII MAPCI/CI Secure Access Manager Security Access Manager Sequential Access Methode Serial-Access Memory Service Access Multiplexer Service Alteration Manager Special Application Module Speech-Activated Manipulator Stand-Alone Micro-sequencer Stocklist Application Module Subscriber Access Multiplexer Subsequent Address Message Subsequent Address message Subsystem Access Model Surface-to-Air Missile Symantec Anti-Virus for Macintosh System Access Monitor System istration Manager System istration Memos Subsequent Address Message No. 1 Subsequent Address Message No. 2

SAM3 SAM4 SAM5 SAM6 SAM7 SAMA SAMA SAMBO SAMC SAME SAME SAMS SAMTS SAN SAN SAN SAN SAN SANC SANE SANSW SANZ SAO SAO SAP SAP SAP SAP SAP SAP SAP SAP2 SAPI SAPI SAPI SAPID SAPR SAPR SAR SAR SAR SAR SAR SAR SAR SAR SAR SAR SAR SARA SARB SARC SARF SARI SARI SARM SARME SARP SARSAT SARTS

Subsequent Address Message No. 3 Subsequent Address Message No. 4 Subsequent Address Message No. 5 Subsequent Address Message No. 6 Subsequent Address Message No. 7 Simple Asynchronous Multiple Access Supplementary Automatic Message ing Simultaneous Auroral Multi Balloon Observation Subscriber Access Maintenance Center Subscriber Access Maintenance Entity System Analyze Message Event Services and Access Management System South American Mobile Telephone Service Server Area Networking Service Access Node Small Area Network Storage Area Network Switching Access Networks Signaling Area/Network Code Standard Apple Numeric Environment Secure Answering Standards Association of New Zealand Single Association Object Subsequent Address With One Signal message Second Audio Programme (Multi-Channel TV Sound) Service Access Point Service ment Protocol Service Advertising Packet Service Advertising Protocol Service Alteration Point Station Auxiliary Power Service Access Point 2 Service Access Point Identifier Service Access Point Indicator Speech Application Programming Interface Service Access Point Identifier Source Address Pointer Supervisor Area Pointer Search And Rescue Segmentation and Reassembly Segmentation And Reassembly Segmentation and Reassembly Sublayer Software Architecture Review Specific Absorption Rate (Watts/kilogram) Static Attachment Requirements Store Address Successive Approximation (ADC) Synthetic Aperture Radar System Address Software Architecture for Reuse in Access Status, All Resources Busy Symantec Anti-Virus Research Center Security Alarm Reporting Function Secondary Access Rights Identity Secondary ARI Set Asynchronous Response Mode (HDLC, LAPB) Set Asynchronous Response Mode Extended (HDLC) Standards And Recommended Practices (ICAO) Search And Rescue SATellite Switched Access Remote Test System (CSC-ATT)

SAS SAS SAS SAS SAS SAS SAS SAS SAS SAS SAS SAS SAS SASA SASC SASC SASCF SASE SASE SASE SASH SASI SASI SASI SASL SASM SASO SASP SASUI SAT SAT SAT SAT SAT SAT SAT SAT SATAN SATM SATS SATT SATT SAUG SAW SAW SAWF SAWO SAX SB SB SB SB SB SB SB SB SB SB SB SB

Secure Access Service Sequenced Answer Signal Service Announcement System Single Attach Station Single Attachment Station (FDDI) SNMP Applet Server Software Application System Statistical Analysis System Subscriber Alerting Signal and istration Services Surveillance istration System Switched Access Service Switched Access System Service and SIB Archiving Service and SIB Cataloguing Sports and Social Club Single Activation Selective Call Forwarding Special Application Service Element Specific Application Service Element Standalone Synchronization Equipment Stand-Alone Shell Send Additional Setup Information message Shugart Associates Standard Interface Shugart Associates System Interface Simple Authentication and Security Layer Softools Advanced Macro Assembler Saudi Arabian Standards Organization Standard Automated Split-Referral Send Additional Setup Information message Satellite Indicator Satisfaction Scenario Analysis Tool (RACE) Services Architecture Team Societe Anonyme de Telecommunications (F) Software Agent Technology Subscriber Access Termination Supervisory Audio Tone Security s Tool for Analyzing Networks Selected Area Transfer Mode Selected Abstract Test Suite Strowger Automatic Toll Ticketing Swiss Army Test Tool Software Architecture Guide Software Assembly Workbench Surface Acoustic Wave Surface Acoustic Wave Filter Surface Acoustic Wave Oscillator Small Automatic Exchange Broadband S-Interface ISO country code for Solomon Islands Scheduler Block Scoreboard Scroll Bar Security Base ServiceBuilder Signaling Battery Simple Borrowing Simultaneous Broadcast Soft Blocking Sound Blaster

SB SB SB SB SB SB SB SB SB SB SB SB1 SBA SBA SBA SBA SBA SBAC SB-ADPCM SBAR SBC SBC SBC SBC SBC SBC SBC SBC SBC SBC SBC SBC SBC S-BCCH SBCD SBCE SBC-HS SBCS SBCS SBDA SBE SBE SBE SBE SBEC SBERR SBF SBF SBG SBH SBI SBIC SBIC SBID SBIF SBIP SBL SBLF SBLN SBM

Special Billing Speech Bus Standby Indicator Sub-Band Subbundle Suboption Begin SuBstitution Suspend Both Suspend Both Origination and Termination Synchronization Burst System Busy Scrambled Binary 1s Scene Balance Algorithms Single-Bridged Arrangement Small Business Access Software Generated Group Blocking-Acknowledgement Message SuperNode Billing Application Station Billing of Attendant-Handled Calls Sub-Band ADPCM Status Bar S-Bus Circuit S-Bus Interface Circuit SCSI-3 Block Commands Single Board Computer Single Byte Command Single-Board Computer Southwestern Bell Communications Southwestern Bell Corporation Sub Band Coding Subband Coding Sub-Band Coding Switching and Bridging Control System Broadcast Channel Short Message Service Broadcast Control Channel System Busy Card STM Broadband Control Element Sub-band Coding Harmonic Scaling Single-Byte Character Set Source and Binary Control System Shared-Buffer Direct Access Single Byte Extension Small Business Edition Software Build Environment Super-twisted Birefringence Effect (Advanced LCD Flat-s) Subband Echo Canceler Single-Bit Error Rate Sequential Block File Manager Speech Bus Formatter Small Business Group Strip-Buried Heterostructure Selective Barge-In SCSI Bus Interface Controller Shared-Bus Interface Controller Scheduler Block Identifier Speech Bus Interface ServiceBuilder Intelligent Peripheral Special Billing Set Busy Lamp Field Special Billing Number Small Business Marketing

SBM SBM SBN SBNM SBP SBPC SBPT SBR SBR SBR SBR SBR SBR SBRC SBS SBS SBS SBS SBS SBS SBS SBS SBS SBS SBSN SBSY SBT SBT SBT SBU SBUR SBUS S-Bus SBV SBVP SBX SBY SC SC Sc SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC

Successful Backward Set-Up Information Message SuperNode Billing Manager Special Billing Number Standards-Based Network Management SCSI-3 Serial Bus Protocol Single Burst Per Carrier Single Burst Per Transmitter Segment Base Simple Borrowing from Richest Source Browser Information file Standby-Ready signal Statistical Bit Rate Subsystem Backup Routing message Subsystem Backup Routing Control S/DMS Billing Server Satellite Business System (USA) Scheduler Block Scheduler Scroll Bar Style Server-Based Setup Siemens Base Station System Silicon Bilateral Switch Small Business Server Smart Battery Specification Supernode Billing System ServiceBuilder Service Node System Busy Services Base Team six-bit transcode (IBM) Spare Bits Strategic Business Unit Software Blocking/Unblocking Reception Software Blocking/Unblocking Sending Shorting Bus Syntax-Based Videotex strict SBV Protocol test group Small Business Exchange Standby ISO country code for Republic of Seychelles Santa Clara Scan Scanner Scenario Compiler Secondary Center Secondary Channel Sectional Center Select Code Send Common Sending Complete Sequence Count Service Centre (used for SMS) Service Channel Service Code Service Control Service Controller Session Control Shelf Controller Short Circuit Signaling Channel Signaling Controller Signaling Converter

SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC S-C SC/A SC/MP SC++ SC1 SC1 SC1BG SC1CC SC1D SC1NL SC1SH SC2 SC2 SC2BG SC2CC SC2D SC2NL SC2SH SC2SZ SC3 SCA SCA SCA SCA SCA SCA SCA SCA

Signalling Capability Signalling Component Silicon Compilation Silicon Compiler Silk Covered Slot Controller Slow Channel Source Code Space Character Spacer Controller Special Connections Spectrum Compatible Speed Call Speed Calling Standard Components Steel Cored Steering Committee (EWOS) Stromberg-Carlson Structure Code Study Committee Sub-Committee Subnetwork Controller Subscriber Carrier Summary punch SuperCAMA Superimposed Current Supervisory Code Suppressed Carrier Switched Capacitor (Technology) Switching Center System Command U.S. postal code for South Carolina Stromberg-Carlson Signal Convertor/Allotter Single-Chip Microprocessor Symantec C++ Speed Calling 1-Digit Speed Calling Short List Speed Calling, 1-Digit, Business Group List Speed Calling, 1-Digit, Customer Controlled Speed Calling, 1-Digit Individual Speed Calling 1-Digit Number List Speed Calling 1-Digit Shared Speed Calling 2-Digit Speed Calling Long List (L30) Speed Calling, 2-Digit, Business Group List Speed Calling, 2-Digit, Customer Controlled Speed Calling, 2-Digit Individual Speed Calling 2-Digit Number List Speed Calling 2-Digit Shared 2-Digit Speed Calling Size Speed Calling Long List (L50) Selected Call Appearance Selective Call Acceptance Service Call istration Service Change Agreement Shared Coverage Area Single Call Arrangement Single Channel Adaptation Single Connector Attachment

SCA SCA SCA SCA SCA SCAAC SCAACC SCAB SCABACC s Code SCACI SCADA SCAF SCAFS SCAI SCAI SCALE SCALEACC SCALEBACC SCAM SCAM SCAM SCAM SCAMA SCAMFL SCAMIS SCAMP SCAMS SCAN SCANL SCANLS SCANS SCAPIN SCAPINEA empts SCAR SCARAB SCARC SCARCAM EKTS SCARDN SCARNP SCARRDN SCART ) SCAT SCAT SCATS SCATT SCB SCB SCB SCB SCC SCC SCC SCC SCC SCC SCC

Software Capability Agreement Standard Control Authority Synchronous Communication Adaptor System Change Analysis Systems Connectivity Architecture (Timeplex) Selective Call Acceptance Active/Inactive Status Selective Call Acceptance Activate/Deactivate Access Codes Selective Call Acceptance Billing Records Selective Call Acceptance Activate/Deactivate Business Group Acces Selective Call Acceptance Confirmation Indication Supervisory Control and Data Acquisition Service Control Access Function Switched Capacitor Filter Synthesis Small Computer Application Interface Switch-Computer Application(s) Interface Selective Call Acceptance List Editing Selective Call Acceptance List Editing Access Code Selective Call Acceptance Business Group List Editing Access Code SCSI Configuration Auto Magically SCSI Configuration Automatically Service Common Application Model Services Common Analysis Model Super Centralized Automatic Message ing Selective Call Acceptance Multiple Forwarding Limit Schedule Control and Maintenance IS (CSC-ATT) Switched Capacitor Amplifier Scanning Microwave Spectrometer Switched Circuit Automatic Network Selective Call Acceptance Number List Selective Call Acceptance Number List Size Software Change istration and Notification System Selective Call Acceptance Personal Identification Number Selective Call Acceptance Personal Identification Number Entry Att SIMBA Commercial Alternative Realization Submersible Craft Assisting Repair and Burial Selective Call Acceptance Restricted Control Selective Call Acceptance Restricted Control for Analog Member of Selective Call Acceptance Remote Forwarding DN Selective Call Acceptance Redirecting Party Number Presentation Selective Call Acceptance Restriction on Remote DN Syndicat des constructeurs d'appareils radio récepteurs et téléviseurs ( Scan and Trigger Utility Selective Call Acceptance Toggle Sequentialy Controlled Automatic Transmitter Start Selective Call Acceptance Terminating Treatment South Central Bell String Control Byte Subnetwork Control Block System Configuration Block SAT Color Code Satellite Communications Controller Satellite Control Centre SCSI-3 Controller Commands Secure Computing Corporation Serial Communications Controller Service Configuration Control

SCC SCC SCC SCC SCC SCC SCC SCC SCC SCC SCC SCC SCC SCC SCC1 SCCD/SU SCCE SCCF SCCM SC SCCS SCCS SCCS SCCS SCD SCD SCD SCD SCDI SCDL SCDM SCDN SCDP SCDS SCE SCE SCE SCE SCE SCE SCE SCEAF SCEC SCECE SCEF SCEN SCEP SCESC SCF SCF SCF SCF SCF SCF SCF SCF SCF(M) SCFAC SCFAC SCFB

Service Control Customization Signal Conversion Circuit Signaling Conversion Circuit Software Change Control Software Control Category Specialized Common Carrier Standards Council of Canada Station Controlled Conferencing Station-Controlled Conference Supercomputer Center Supercomputing Center SuperNode Combined Core cabinet Switching Control Center System Control Center Software Control Category 1 SMP-Created Service Data and SLP Update SCC Event Satellite Communication Control Facility SCC Mask Signalling Connection Control Part (SS7) SCC Status Source Code Control System Switching Control Center System Switching Control Center System (CSC-ATT) Selective Cell Discard Standard Color Display Structured Chip Design (IC Design) System Clock Disable Session Call Distribution Interface Software Components Description Library Services Common Domain Model Secondary DN Subcomponent Development Plan Simulation Continuous and Discrete Processes Service Configuration Element Service Control Entity Service Creation Element (Hewlett Packard) Service Creation Environment Shore-Controlled Equaliser (Telecom. Sea-Cables) Software Capability Evaluation System Capacity Engineering Service Creation Environment Agent Function SCE Conversion SCE Capability Expansion Service Creation Environment Function ISDN Scenarios istrative View Service Creation Environment Point SCE-to-SCE System Consistency Selective Call Forwarding (supplementary service) Sequential Character File Manager Service Control Function (IN term) Shared Channel Signaling Control Function Software Change Form Switched Capacitor Filter Synchronization and Coordination Function Service Control Function (Mobile) Selective Call Forwarding Access Code Selective Call Forwarding Active/Inactive Status Selective Call Forwarding Management Events Billing Records

SCFCI SCFDN SCFDN SCFDN2 SCFDN3 SCFDN4 SCFL SCFLE SCFLEACC SCFM SCFMFL SCFMNL SCFNL SCFNL SCFNL1ACC SCFNL1T SCFNL2 SCFNL2ACC SCFNL2T SCFNL3 SCFNL3ACC SCFNL3T SCFNL4 SCFNL4ACC SCFNL4T SCFNLS SCFQ SCFRC SCFRCAM EKTS SCFRING SCFRNP SCFRRDN SCG SCG SCG SCGA SCH SCH SCH SCH SCH SCH SCH SCHED sci SCI SCI SCI SCI SCI SCI SCI SCIS SCIT SCIT SCK SCL SCL SCL

Selective Call Forwarding Confirmation Indication Selective Call Forwarding Directory Number Selective Call Forwarding Remote Directory Number 1 Selective Call Forwarding Remote Directory Number 2 Selective Call Forwarding Remote Directory Number 3 Selective Call Forwarding Remote Directory Number 4 Source Coupled FET Logic Selective Call Forwarding List Editing Selective Call Forwarding List Editing Access Code Subcarrier Frequency Modulation Selective Call Forwarding Multiple Forwarding Limit Maximum Number of Selective Call Forwarding Lists Selective Call Forwarding Number List Selective Call Forwarding Number List 1 Selective Call Forwarding List 1 Access Codes Selective Call Forwarding Number List 1 Toggle Selective Call Forwarding Number List 2 Selective Call Forwarding List 2 Access Codes Selective Call Forwarding Number List 2 Toggle Selective Call Forwarding Number List 3 Selective Call Forwarding List 3 Access Codes Selective Call Forwarding Number List 3 Toggle Selective Call Forwarding Number List 4 Selective Call Forwarding List 4 Access Codes Selective Call Forwarding Number List 4 Toggle Selective Call Forwarding Number List Size Self-Clocked Fair Queuing Selective Call Forwarding Restricted Control Selective Call Forwarding Restricted Control for Analog Member of Selective Call Forwarding Reminder Notification Suppression Selective Call Forwarding Redirecting Party Number Presentation Selective Call Forwarding Restriction on Remote DN Semiconductor Components Group Software Concepts Group System Clock Generator Software Carrier Group Alarm Schedule File Seizures per Circuit per Hour Seperate Confinement Heterostructure (Cavity Laser) Serial Channel Service Circuit Handler Sub-Carrier/Horizontal (Phase, Colour TV) Synchronization Channel Scheduled Newsgroups on science Scalable Coherent Interface Sci-Fi Channel SDM Command Interpreter Serial Communication Interface Serial Communications Interface Small Computer Interface Subscriber Carrier Interface Service Cost Information System Special Circuit Interface T Steering Committee on Information Technology A Static Cipher Key Shelf Console Link Simulation Control Language Speed Call List

SCL SCL SCL SCL SCLC SCLLI S-CLNP S-CLNS SCLPA SCM SCM SCM SCM SCM SCM SCM SCM SCM SCM SCM SCM SCM SCM SCM SCM SCM SCM SCMA SCME SCMG SCML SCMP SCMP SCMS SCM-U SCN SCN SCN SCN SCN SCN SCO SCO SCO SCOC SCOCS SCOCS SCOCSBN SCOCSCS SCOCSID SCOCSSFG SCODL SCOF SCON SCON SCOPE SCOT SCOTICE SCOTS S

Speed Call Long Speed Calling Speed Calling List Speed Calling Long List SC Connectionless Control Short Common Language Location Identifier Specific Connectionless Network Protocol Specific Connectionless Network Service Single Channel Linear Power Amplifier SCC Mode Selected Communications Mode Selective Call Management Selective Call Messaging Service Connection Manager Service Control Manager Set Conducted Mode Single Carrier Modulation Single-Channel Modem Software Call Model Software Change Management Software Configuration Management Station Class Mark Subcarrier Multiplexing Subscriber Carrier Module Subsystem Communication Model Supply Chain Management Supressed Carrier Modulation Subcarrier Multiple Access Service Control Management Entity SC Management Software Configuration Management Library Series Completion Simple Connection Management Protocol Serial Copy Management System (DAT) Subscriber Carrier Module-Urban Scan Self-Compensating Network Service Circuit Node State Change Notification Sub-Channel Number Switched Circuit Network Santa Cruz Operation Short Called Off-Hook SOS Command Object SC Connection Oriented Control Selective Class of Call Screening Selective Class of Call Screening Selection Selective Class of Call Screening Service Selection Billing Number SCOCS Class of Service SCOCS Service Identification SCOCS Service Parameter/SFG Association Scan Conversion Object Description Language Selective Control of Facilities SCC Configuration Signaling Configuration Simple Communications Programming Environment Steering Committee on Telecommunications Scotland-Iceland submarine cable Surveillance and Control of Transmission Systems Save Cursor Position

S S S S S S S S S S S S S2 SC SD SII SN SS ST ST SCR SCR SCR SCR SCR SCR SCR SCR SCR SCR SCR SCR SCR SCR SCR SCRA SCRAC SCRACC SCRB SCRC SCRCAR SCRJ SCRLE SCRLEACC SCRN SCRNL SCRNLS SCRRC SCRRCAM KTS SCRT SCS SCS SCS SCS SCS SCS SCS SCS SCS

Secondary Cross-connection Point (Telecom) Selectable Code Point Serial Communication Port Serial Control Port Service Control Point (IN term) Shelf Control Processor Signaling Control Protocol Stromberg-Carlson Practice Switch Control Processor System Configuration Pointer System Control Point System Control Programme Service Control Point 2 Single Channel Per Carrier Maintenance Scratchpad Second Generation DMS S Screening of Calling Party Number Synchronous Composite Packet Switching single carrier per transponder Single Channel Per Transponder Saddle Coil Resonator (Medical) Screen Saver file SCReening (supplementary service) Selective Call Rejection Selective Charge Recording Silicon Controlled Rectifier Standard Context Routing Static Conformance Requirement(s) Static Conformance Review Sustainable Cell Rate Sustained Cell Rate System Change Request System Clock Reference System Command System Control Small Call Reacting Apparatus Selective Call Rejection Active/Inactive Status Selective Call Rejection Activate/Deactivate Access Codes Selective Call Rejection Billing Records SC Routing Control Selective Call Rejection Call Attempts Rejected Selective Call Rejection Selective Call Rejection List Editing Selective Call Rejection List Editing Access Code SCReeM Selective Call Rejection Number List Selective Call Rejection Number List Size Selective Call Rejection Restricted Control Selective Call Rejection Restricted Control for Analog Member of E Selective Call Rejection Toggle Secondary Clear to Send Sequential Channel Search Service Consumer System Service Creation System Siemens Communications Systems Signal Collection System Silicon Controlled Switch Single Change Supplement Single Conversion System

SCS SCS SCS SCS SCS SCS SCS SCS SCSA SCSA SCSI SCSI-2 SCSI-3 SCSI-F SCSM SCSP SCSS SCSS SCT SCT SCTA SCTE SCTO SCTR SCTR SCU SCU SCU SCU SCU SCU SCU SCU SCU SCU SCUAF SCUAF SCV SCVFT SCW SCW SCWID SD SD SD SD SD SD SD SD SD SD SD SD SD SD SD SD SD SD

SNA Character String Software Control System Speed Call Short Speed Calling Short List Structured Connectivity Solution Subcomponent Specification Submarine Cable Systems Inc. (KDD) System Conformance Statement Signal Computing System Architecture Standard Consolidated Statistical Area Small Computer System Interface Small Computer System Interface-2 Small Computer System Interface-3 SCSI Fibre Channel Protocol Service Control Function Call State Model Server Cache Synchronization Protocol Special Connection Special Service Special Connection Special Services Single Chip Transceiver Subscriber Carrier Terminal Santa Cruz Technology Alliance Society of Cable Television Engineers Stalled Call Timed Out System Conformance Test Report (ISO 9646) System Control Service Circuit Unit Service Control Unit Signaling Channel Speed Call Universal Speed Call Speed Calling Universal Speed Calling SRU Control Unit Subscriber Channel Unit System-Control signal unit Service Control Access Function Service Control Agent Function Section Coding Violation(s) Single Channel Voice Frequency Telegraphy Selective Call Waiting Setup Computer Wizard Spontaneous Call Waiting Identification ISO country code for Democratic Republic of the Sudan Schematic Diagram Schematic Drawing Scroll Down Secure Descriptor (Windows) Send Data Send Digits Sequenced Data Sequential Disk Service Data Service Desk Service Directory Service Disruption Service Distribution Signal Degrade Signal Distribution Signal Distributor Single Density

SD SD SD SD SD SD SD SD SD SD SD SD SD SD SD SD SD SD S-D SDA SDA SDA SDA SDA SDA SDA SDAI SDB SDB SDB SDB sdb SDBAS SDC SDC SDC SDC SDCC SDCCH SDCCH/4 SDCCH/8 SD SDCR SDCS SDCU SDD SDD SDD SDD SDD SDDA SDDF SDDM SDDN SDDN-I SDE SDE SDE SDE SDEA

Single Destinational Single Digit Software Development Software Distributor Speech Detector Standard Deviation Start Delimiter Starting Delimiter State Dependent Static Data Station Detail Records Storage Device Structural Diagram Structured Design Super Density Super Disk Switching Delay U.S. postal code for South Dakota Signal-to-Distortion SCSI Disk Array Session Distribution Algorithm Single Digit Absorbing Source and Detector Assembly Swappable Data Area Synchronous Data Adapter System Design Authority Standard Data Access Interface Services Data Base Set Data Block Supplemental Data Block Switched Digital Broadcast Symbolic Debugger Switched Digital Broadband Access System Server Display Control Subsequent Digit Collection Switched Digital Capability Syntax and Data Checking Section DCC Stand-alone Dedicated Control CHannel Stand-alone Dedicated Control CHannel/4 Stand-alone Dedicated Control CHannel/8 Service Design Capture Process Supplemental Digit Collection Resource Satellite Digital Communication System Satellite Delay Compensation Unit Single Digit Dialing Software Design Document Space-Division Duplexing Speech Direction Detector System Dependent Data Source Defined Display Area Subscriber Digital Distributing Frame System Dependent Data Management Software Defined Data Network (AT&T) Software Defined Data Network- International Software Development Environment Submission and Delivery Entity (X.400/MHS) Synchronization Distribution Expander System Development Environment ed Entity Absent

SDEE SDES SDEV SDF SDF SDF SDF SDF SDF SDF SDF SDF(M) SDFP SDFP SDFP SDG SDG SDG SDGW SDH SDH SDHT SDI SDI SDI SDI SDI SDI SDI SDI SDI SDIF SDIP SDK SDK SDK SDKJ SDL SDL SDL SDL SDL SDL SDL/GR SDL/PR SDLC SDLC SDLC SDLC SDM SDM SDM SDM SDM SDM SDM SDM SDM/FT SDMA SDMA

ed Entity Exists Source Description Smoothed Deviation Satellite Distribution Frame Service Data Function (IN term) Service Definition Function Signaling Data Function Standard Delay Format Structured Directory Format Structured Display File Supergroup Distribution Frame Service Data Function (Mobile) Service Data Function Point Service Definition Function Point Single Destination Freephone Service Design Guidelines Signal Distribution Group System Dependence Graph Services Design Guidelines Workshop Static Data Handler Synchronous Digital Hierarchy Selectively-Doped Heterojunction Transistor Sense Data Included Indicator Serial Data Interface Serial Data-link Interface serial digital interface Simplex DRU Interface Single Document Interface Software Developer's Interface Software Development Interface Strategic Defence Initiative (Star-War) SGML Document Interchange Format SCSI Device Interface Paddle Board Service Development Kit Software Developer's Kit Software Development Kit Software Development Kit for Java Functional Specification and Description Language Shielded Data Link Signaling Data Link Specification Description Language Stationary Data Link Systems Definition Language SDL Graphical Representation SDL Phrase Representation SNA Data Link Control Synchronous Data Link Control procedure, Synchronous Data-Link Control (BOP, IBM Inc.) Systems Development Life Cycle Service Domain Model Space Division Multiplex Space Division Multiplexer Space Division Multiplexing Subrate Data Multiplexing SuperNode Data Manager Surveillance Data Manager System Definition Manual SDM Fault Tolerant Serial Direct Memory Access Space Division Multiple Access

SDMA SDMB SDMC SDMF SDMP SDMS S-DMS SDN SDN SDN SDN SDN SDN SDN SDNA SDNC SDNP SDNS SDNS SDNTX SDO SDO SDO SDOC SDOC SDP SDP SDP SDP SDP SDP SDP SDP SDP SDP SDP SDPC SDPO SDR SDR SDR SDR SDRAM SD-ROM SDRP SDRSS SDS SDS SDS SDS SDS SDS SDS SDS SDS SDS SDS SDS SDS SDS

Spatial-Division Multiple Access Supernode Data Manager Billing Single Destination Mass Calling Single Data Message Format Services Development Management Plan SONET DMS SONET DMS Secondary Directory Number Shared Directory Number Software Defined Network Subscriber's Directory Number Switched Digital Network Synchronized Digital Network Synonym Directory Number Set Up Directory Number Attributes Status, Data, Not Consistent Shared DNIC Numbering Plan Secure Data Network System Software Defined Network Service Selective Do Not Transmit Semantic Data Object Standards Development Organization Standards-Developing Organization Selective Dynamic Overload Control Software Document Scenario Design Paradigm Service Data Point (IN term) Session Description Protocol Signal Distribution Simple Device Protocol Smart Dual Port Random Access Memory (Hitachi Inc.) Software Design Process Software Development Plan Software Development Process STP Datagram Protocol Supplementary Dial Plan Single Destination Charging Sleeve Dial Pulse Originating Service Database Repository Speaker-Dependent Recognition Special Drawing Right Supplier Data Report Synchronous DRAM Super-Density CD-ROM Source Demand Routing Protocol Speaker-Dependent Recognition Service Supervisor Satellite Data System Schema/Subschema Definition Set SDH Data Subnetwork Signal Dependent Stereo (control) Software Development System Software Disk Striping Software Distribution Services Software Distribution Site Special Delivery Service Specific Digit String Speech Digit Signalling Static Data Store Station Detail Server Switched Digital Service

SDS SDS1SO SDS3 SDSAF SDSC SDSL SDSL SDSL SDSL SDSL SDSS SDT SDT SDT SDT SDT SDT SDT SDT SDT SDTA SDTE SDTP SDTP SDTP SDTR SD-TSE SDTV SDTV SDU SDU SDU SDU SDU SDU SDUN SDUP SDV SDVB SDVN SDW SDX SDY se SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE

System Developer's Seat SWF-DS1 Selection Order Simplified DS3 Switched Digital Services Applications Forum Single Destination Split Charging Single Line Digital Subscriber Line Single-Pair Digital Subscriber Line Symmetric Digital Subscriber Line Symmetrical Digital Subscriber Line Symmetrical Digital Subscriber Loop Software Development System SDL Design Tool SDL Development Tool Serial Data Transfer Service Design Team Special Dial Tone Start Data Traffic Static Data Table Structured Data Transfer Stutter Dial Tone Stepdown Transforner Adapter Synchronous Data Terminal Equipment Serial Data Transport Protocol Services Designer Test Procedures System Default Terminal Profile Serial Data Transmitter/Receiver State-Dependent Tentative Symbol Estimation standard definition television Standard-Definition Television Selection and Distribution Unit Service Data Unit Signal Distribution Unit SMDS Data Unit Software Distribution Utilities (HP) Source Data Unit Single Destination Universal Number System Default Profile Switched Digital Video Switched Digital Video Broadcast Switched Digital Video Network Segment Descriptor Word Storage Data Acceleration Line Study Internet country code for Sweden ISO country code for Kingdom of Sweden SCSI/Ethernet SCSI/Ethernet Adaptor Segment End Sending Entity SErial call (supplementary service) Service Element Session Exchange message Shared Explicit Signalling Entity Significant Event Simple Element Single-Ended Software Engineering Source Explorer Southeast

SE SE SE SE SE SE SE SE SE SE SE SE SE S-E SE1 SEA SEA SEAC SEAL SEAL SEALCUR SEAN SEAS SEB SEC sec SEC SEC SEC SEC SEC SEC SeC SEC SEC SEC SEC SEC SEC SEC SEC SECAB SECAM SECAM SECAM SECAM SECB SECBR SECO SECT SECT SECT SECU SED SED SED SED SED SEDOS SEE

Spectrum Engineering (CEPT) Standard Edition State Event Status Enquiry Structure Element Suboption End Entity Switch Element Switching Element System Engineer System Enhanced System Enhancement Systems Engineering Signal-to-Echo SCSI/Ethernet, Type 1 Society for Electronic Access Standard Extended Attribute Signaling, Engineering, and istration Center Simple and Efficient Adaptation Layer Software Engineering Assurance Laboratory Sealing Current Signaling Entity for ATM Networks Signaling Engineering and istration System System Engineering Bulletin SDH Equipment Clock Second Secondary Security Security Code Security Screening Service Evaluation Center Service Execution Component Session Control Single Error Correction Single-Edge Connect Single-Edge Single-Ended Connection Software Engineering Center Switching Equipment Congestion message Switching Equipment Congestion signal Synchronous Equipment Clock Small Exchange Carrier Access Billing Sequential Chrominance and Memory Sequential Coleur Avec Memoire Sequentiel Couleur Avec Memoire SequentiellE Couleur Avec Memoire (French analogue TV system) Severely Errored Cell Block Severely Errored Cell Block Ratio Secondary Engine CutOff Section Sectional Center Service Evaluation Circuit Security SEDOS ESTELLE Demonstrator Service Element Design Stream Editor Surface-Conduction Emitter Display Systems Engineering Division Software Environment for the Design of Open distributed Systems Service de l'Energie de l'Etat

SEE SEE SEE SEED SEER SEF SEF SEFL SEFS SEG SEG SEG SEGA SEGCT SEH SEI SEI SEK SEK SEL SEL SEL SEL SELCAL SELCALL SELD SELP SELV SEM SEM SeM SEM SEM SEM SEM SEM SEM SEMF SEMI SEMKO (S) SEMS SEN tion) SENDDD SENDTD SEP SEP SEP SEP SEP SEP SEP SEPG SEPP SEPP SEPT SEPT SEQ

Service Extension Element Software Engineering Environment Systems Equipment Engineer Self Electro-optic Effect Device (IC) System Event and Error Reports Severely Errored Frame Entity Function Single-End Fault Locating Severeley Errored Frame Seconds Segment Segmentation message Special-Effects Generator Super Enhanced Graphic Adapter (PC) Segment Coverage Tool Structured Exception Handling Service Evaluation Interface Software Engineering Institute Svenska Elektriska Kommissionen Svenska Elektrotekniska Kommissionen Alcatel (D) Selector Standard Electrik Lorenz Surface-Emitting Laser SELective CALling (radio) SELective CALLing Service Element Level Design Sum-Excited Linear Prediction Safety Extra Low Voltage Scanning Electron Microscope Scanning Electron Microscopy Security Management Select Edit Extent Mode Service Element Design Model Service Extension Manager Standard Electronic Module Station Engineering Manual Super Element Manager Synchronous Equipment Management Function Semiconductor Equipment and Materials International Swedish Institute for Testing and Approval of Electrical Equipment Switching Element Management System Service Netze (Deutsche Telekom organization for network configura Send Dialed Digits Send Translated Digits SEParation SEParation character Sequential Exchange Protocol Service Evaluation Program Service Execution Platform Service Extension Point Signaling End Point Software Engineering Process Group Secure Electronic Payment Process Secure Electronic Payment Protocol Systemexterne Pruftechnik (External System Test Technology) Systemunabhangige Externe Pruftechnik fur Telefonanschlusse (system independent external test equipment for lines) Sequence Number

SEQ SEQ SEQNO SER SER SER SER SER SER SER SER SER SERC SERC SERDN SERTYP SERV SERV SERV ACK SERVORD SES SES SES SES SES SES SES SES SES SES SES SESAME SESC SESD SESD SESE SESH SESKO SESR SESS SET SET SET SET SET SET SET SET SET SETI SETM

Sequencer Equipment Sequence Number Attendant Console Serial Calling Schedule Efficiency Ratio Serial Mode Series Completion Service Element Reference Service Event Registration Soft Error Rate Switch Event Record Symbol Error Rate Science and Engineering Research Council Serial Calling Series Completion Forwarding Directory Number Series Completion Hunting Type Service Base Service message Service Acknowledge message Service Order System Satellite Earth Station Satellite Earth Stations and Systems (ETSI TC) Scientific and Engineering Software Service Evaluation System Severely Errored Second(s) Ship Earth Station Single-Ended Supervision Societe Europeenne des Satellites Source End Station Source End System Special Exchange Service Subscriber Enhanced Services Made Easy Software Engineering Standards Committee Severely Errored Seconds Daily Threshold Software Engineering Systems Division (Hewlett Packard) Security Exchange Service Element Severely Errored Seconds Hourly Threshold Finnish Electrotechnical Standards Associatiom Severely Errored Second Ratio Session Satellites Europeens de Telecommunication (CEPT) Secure Electronic Transactions Secure Encryption Transaction Secure Exchange Transaction Single-Electron Transistor Software Engineering Technology Software-Emulated Terminal Standard Exchange Transfer System Emulation Testing Search for Extra-Terrestrial Intelligence British Standard Method for Specifying Electronic Typographic Mark

up SETPH SETS SETUP SETUP ACK SEU SEU SEU SEU

Set Packet Handler X.25 Service Parameters Selected Executable Test Suite Setup message Setup Acknowledge message Signal Extraction Unit Single-Event Upset (Radiation Hardened IC, Military Electronics) Source Entry Utility Systems Engineering University

SEV SEVM SEx SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF/X SFB SFB SFBM SFC SFC SFC SFD SFD SFD SFDEV SFDEV SFDL SFDR SFE SFET SFF SFF SFG SFG SFG SFG/C-I SFG/P-I SFGBC SFGF SFG-I SFGNLC SFGPM SFGTC SFGTR SFGTYP SFH SFI SFI SFI SFIB SFIP SFIT SFL SFL SFM SFN

Schweizerischer Elektrotechnischer Verein (CH) Switching Element Virtual Machine SCSI/Ethernet, Type x Security Function Select Facility point in call Select Frequency Service Feature Services and Facilities (CEPT) Sign Flag Signal Fail Single Frequency Stack Fault Status Field Store File Subscriber Feature Super Frame Super Frames Superframe Special Effects Sir Francis Bacon Standard Functional Block Shared Frame Buffer Memory Single Functional Call Source Function Code Switch Fabric Card simple formattable document (X.400/MHS) Start Frame Delimiter Start of Frame Delimiter Store File Device System File Device Structure and Function Description Language Spurious Free Dynamic Range Switch Front End Synchronous Frequency Encoding Technique Small Forms Factors Switch Feature Forum Simulated Facilities Group Simulated Facility Group Simulated Facility Groups ISDN Simulated Facility Group for Circuit-Mode Calls ISDN Simulated Facility Group for Packet-Mode Calls Simulated Facilities Group Bearer Capabilities Sliding-Frequency, Guiding Filter ISDN Simulated Facility Group Simulated Facilities Group Packet Mode, Number of Logical Channels Simulated Facility Group, Packet Mode Simulated Facilities Group for Packet Mode, Throughput Class Simulated Facilities Group for Packet Mode, Traffic Rate Simulated Facilities Group Type Slow Frequency Hopping MDII: Signaling Network Failure, Incoming Call Secondary File Index Service Feature Indicator Syndicat Fabricants ensembles Informatique/Bureautique Shadow Fetched Instruction Pointer Software Fault Insertion Testing Sequential Forwarding Limit Symbolic Flowchart Language Switch Fabric Module Single-Frequency Network

SFNOI SFO SFP SFPL SFR SFRL SFRZ Sfrz SFS SFS SFS SFS SFS SFT SFT SFT SFT SFTP SFTSS SFU SFU SFU SFVN SFW SFX SFX SFX SG SG SG SG SG SG SG SG SG SG SGA SGB SGB SGC SGC SGC SGD SGDF SGEO SGFS SGI SGI SGI SGID SGM SGM SGML SGML SGMP SGNT SGO SGR SGR

Second Further Notice of Inquiry MDII: Signaling Network Failure, Outgoing Call Super Frame Pattern Source Follower Pull-Up Logic Single Frequency Reuse Semi-Fully Restricted Line Shadow Freeze Shadow-Freeze Shadowed File System Single-Frequency Signaling Special Facility Selection Start of Frame Sequence Suomen Finland Standardisoimislutto (FL institute) Secure File Transfer System Fault Tolerance System Fault Tolerant System File Table Simple File Transfer Protocol (T/IP-DoD) Standard Frequency and Time Signal Satellite Special Function Unit Status Fill-In Unit Store and Forward Unit Secure Fast Virtual Networking Service Framework Sound Effects Special Effects Suffix ISO country code for Republic of Singapore Secretariat General (CENELEC) Signal Ground Signaling Ground Specific Gravity Steering Group Stop-Go Study Group (ITU-T) Supergroup SuperGroup Software Group Blocking Acknowledgment Signal Software Generated Group Blocking Message Software Group Blocking Signal SCSI-3 Graphics Commands Standard Graphics Connect Supergroup Connector Signaling Ground Supergroup Distribution Frame ed Entity Outage Special Group on Functional Standardization Segment Information Silicon Graphics Inc. Subgroup Identifier Set Group ID Segmentation Message SeGmentation Message Standard Generalized Markup Language Standard Generalized Markup Language Simple Gateway Monitoring Protocol (T/IP-DoD) Special Grade Network Trunk Silicon Graphics Object Select Graphic Rendition Set Graphic Rendition

SGRAM SGS SGSN SGT SGTE SGTYP SGU SGU SGW sh SH SH SH SH sh SH SH SH SH SH SH1 SH1CC SH2 SH2CC SHA SHA shab SHAPE SHARP SHASET SHB SHCB SHCT SHCTANL SHCTTSP SHD SHEFA SHF SHFWSC SHG SHG-I SHIC SHK SHKAM SHKPT SHKPTAM SHLR SHM SHM SHM/MPS SHN SHO SHO SHOE SHOT SHR SHR SHR SHR SHS

Synchronous Graphics RAM Software Generation System Serving GSN SeGment Table SuperGroup Translating Equipment Simulated Facility Group Type Software Generated Group Unblocking Message Software Group Unblocking Signal Service Gateway Bourne Shell ISO country code for Saint Helena Send Hub Server Host Session Header Shell Short Haul Start-of-Heading Stop Hunt Supervisor Host Switch Hook Shared Speed Calling, 1-Digit Shared Speed Calling, 1-Digit, Customer Controlled Shared Speed Calling, 2-Digit Shared Speed Calling, 2-Digit, Customer Controlled SDM High Availability Secure Hash Algorithm Show Acronyms/Abbreviations Sub-Half Micron CMOS Process for European s Self-Healing Alternate Route Protection Stop Hunt Application Set Sharing with Bias Simple Hybrid Channel Borrowing Stop Hunt Control Terminals Stop Hunt Control Per Analog Terminal Stop Hunt Control Terminal Per TSP Super-High-Definition Shetland Islands-Faero Islands submarine cable Super High Frequency (3...30 GHz) Switch Hook Flash With Specified Code Segmented HyperGraphic ISDN Hunting Subgroup Software/Hardware Inventory Collector Stop Hunt Key Stop Hunt Key for Analog Member of EKTS Stop Hunt Key Point Stop Hunt Key Point for Analog Member of EKTS Standalone Home Location Shared Memory Extension to X Window System short hold mode (SNA) Short Hold Mode/Multiple Port Sharing (OSI-SNA) Self-Healing Network Showtime Soft Handover Simple HTML Ontology Extensions Selective Handover for Traffic Balance Self-Healing Ring Shared Shared Historical Record Shared Layer Secure Hash Standard

SHS SHS1 SHS1D SHS1V SHS2 SHS2D SHS2V SHS3 SHS3D SHS3V SHS4 SHS4D SHS4V SHTTP S-HTTP SHU SHV SI SI SI SI SI SI SI SI SI SI SI SI SI SI SI Si SI SI SI SI SI SI SI SI SI SI SI SI SI SI SI SI SI SI SI SI SI

Select Horizontal Spacing Stop Hunt Set 1 Stop Hunt Set 1 CMD Stop Hunt Set 1 VI Stop Hunt Set 2 Stop Hunt Set 2 CMD Stop Hunt Set 2 VI Stop Hunt Set 3 Stop Hunt Set 3 CMD Stop Hunt Set 3 VI Stop Hunt Set 4 Stop Hunt Set 4 CMD Stop Hunt Set 4 VI Secure Hypertext Transfer Protocol Secure Hypertext Transfer Protocol Stop Hunt Standard High-Volume International System of Units ISO country code for Slovenia Screening Indentification Screening Indicator Serial Interconnect Service Identification Service Indication Service Indicator Service Information Service Initiation Service Interworking Session Protocol Data Unit Identifier Setup Information Shift In Signaling Rate Indicator Silicon Single Inheritance Software Indicator Software Integration Source Index SPDU Identifier Special Instruction Speech Interpolation Standard Interface State Independent Statutory Instrument (UK legislation) Storage-Immediate Subscriber Identification Subsystem Interface superimpose Supplementary Information (SIA) Synchronization Information System Index System Information System Integrator System Integrity système international d'unités, International Measuring System (metric

SI SI/OC SI0 SI1 SIA

Systems Integrator Serial Input/Output Channel Sequenced Information 0 Sequenced Information 1 Semiconductor Industry Association

)

SIA SIA SIA SIA SIABLK SIAF SIA-I SIANC SI-ATMR SIAUDF SIB SIB SIB SIB SIB SIB SIBB SIBCC SIBD SIBH SIC SIC SIC SIC SiC SIC SIC SIC SIC SIC S-ICI SICL SICMS SICS SID SID SID SID SID SID SID SID SID SID SID SID SID SID SID SID SID SID SID SID SIDF SIDM SIDX SIE SIE SIE

Serial Interface Adapter Service Interface Area Special Intercept Announcement Supplementary Information A Special Intercept Announcement- Blocked Calls Service Indicator Associated Field ISDN Special Intercept Announcements Special Intercept Announcement- Incoming Calls Switch-Interconnected ATMR Special Intercept Announcement- Undefined Code Scale, Index, Base Screen Image Buffer Service-Independent Block Service-Independent Building Block Status Indication "Busy" System Integration Block Service Independent Building Block SIB Configuration Control SIB Distribution Semi-Insulated Buried Heterostructure Semantic Integrity Constraint Service Identification Code Service Indicator Code Service Interaction Context Silicone Carbide S-Interface Circuit Specific Inductive Capacity (Dielectric Constant) Standard Implementations Committee Station Identification Code System Information Channel SONET Inter-Carrier Interface Standard Instrument Control Library Semantic Integrity Constraints Management Services Swedish Institute of Computer Science SCCS Identification Secure ID Security Identifier Segment Identifier Sensor Identification Service Identification Service Identifier Service Instance Data Service Instantiation Denial Session Identifier Signaling Identifier Silence Descriptor Silence Information Descriptor Silence Insertion Descriptor Source Identification Parameter Source Identifier Station Identification Sudden Ionospheric Disturbance (Short Wave Propagation) System Identification System Identifier System Independent Data Format Single Integration Delta Modulation Service Index Services Interaction Environment Signal Information Element Simple Imaging Extension

SIE SIF SIF SIF SIF SIF SIF SIF SIFS SIFT SIFT SIFT SIG SIG SIG SIG SIG SIG SIG SIG SIG SIGCHI SiGe SIGGRAPH SIGINT SIGMAN SII SII SII SIKO SIKOS SIL SIL SIL SIL SILC SILEX SIM SIM SIM SIM SIM SIM SIM SIM SIM SIM SIM SIM SIM SIMASK SIMBA SIMD SIME SIMM SIMM SIMODE SIMS SIMS SIMULA

Status Indication "Emergency Alignment" Signaling Information Field Signalling Information Field SONET Interoperability Forum Source Input Format Standard InterFace Status Information Frame Switch Interface Short Interframe Space Sender-Initiated File Transfer Service Interaction Focus Team Standard Information Filtering Tool Service Implementation Guide Signal SIGnal between LT and N SIGnal Information Element Signaling Signaling Channel SIGnature Element SMDS Interest Group Special Interest Group (NIST) Special Interest Group on Computer-Human Interaction Silicon-Germanium Special Interest Group on computer GRAPHics Signal Intelligence Signaling Manager Server Instance Identifier Standards Insitution of Israel Static Invocation Interface Sicherheitskonzept Simulation Kontinuierlicher Systeme (Siemens) Silence Single In-Line (IC Package) Solid Immersion Lens Speech Interference Level (Accoustics) Selective Incoming Load Control Semiconductor-laser Inter-satellite Link EXperiment (ESA) Serial Interface Module Service Information Message Service Initiation Manager Set Initialization Mode (HDLC) Signaling Information Manager STEAM Issues Meeting Strategic Interface Management Subscriber Identification Module (GSM) Subscriber Identity Module Synchronous Interface Module System Integration Module System Integrity Monitor System Interface Module Serial Interface Mask SLIF-S & ITM Multiple Bridge Adapter Single-Instruction Multiple Data (Pipeline Processors) Subscriber Installation Maintenance Entity Signed Immediate Value Single In-line Modular Memory (Package) Serial Interface Mode Secondary Ion Mass Spectrometer Synchronization, Interaction, and Maintenance System Simulation Language

SIN SIN SIN SIN SiN SIN SIN SINAD SIND SINPFEMO SINPO SINR SIO SIO SIO SIO SIO SIO SIOA SIOS SIOV SIP SIP SIP SIP SIP SIP SIP SIP SIP SIP SIP SIP SIPC SIPC SIPO SIPO SIPP SIPP SIR SIR SIR SIR SIR SIR SIR SIR SIRREQ SIS SIS SIS SIS SIS SIS SIS SIS SIS SISD SISIR SISO

British Telecom Suppliers' Information Notes Service Indication Service Indicator Ships in the Night Silicon Nitride Status Indication "Normal Alignment" System Installation Number SIgnal, Noise And Distortion (to noise and distortion ratio) Service Indication Signal Interference Noise Propagation Overall Signal Interference Noise Propagation Overall Signal-to-Interference-plus-Noise Ratio Scientific or Industrial Organization Serial Input/Output Service Information Field Service Information Octet Start I/O Status Indication "Out of Alignment" Status Indication "Out of Alignment" Status Indication "Out of Service" Silicon-Oxide Varistor SCSI Interface Processor SCSI-3 Interlocked Protocol Service Initiation Packet Session Initiation Protocol Simple Internet Protocol Single In-Line Package Single In-line Package SMDS Interface Protocol Societa Italiana per l'Esercizio delle Telecommunicazione, P.A. Streamlined Instruction Processor Subscriber Interface Protocol Supplementary Information Presentation (supplementary service) Simply Interactive PC SOS Inter-Process Communication Serial-In Parallel-Out Status Indication "Processor Outage" Simple Internet Protocol Plus Single In-Line Pin Package Selective Information Retrieval Serial Infrared Signal-to-Interference Ratio Software Integration and Release Speaker-Independent Recognition Submission Information Rate Surface Insulation Resistance Sustained Information Rate Software Integration and Release Request Semiconductor/Isolator/Semiconductor (IC Technology) Sound-In-Synchronisation (Television) Southern Information Systems, Inc. Standardiseringskommissionen Institut Sverige (S) Structural Interaction Service Structure Information Store (OSI/VT/TOP) Structured Interaction Service Structured Interaction Services Structured Interaction System Single-Instruction Single Data Singapore Institute of Standards and Industrial Research Serial-In Serial-Out

SISRIF SIT SIT SIT SIT SIT SIT SIT SITA SITA SITC SIT-CAS SITE SITPC SITPRO SITS SITS SI-TSE SIU SIU SIU SIU SIW SI-x SJ SJ SJF SJR SK SK SK SKC SKCS SKE SKE SKIL SKIP SKIP SKIP SKU SKU SKY SL SL SL SL SL SL SL SL SL SL SL SL sl SL SL SL SL SL

Still Image, Sound and Related Information Format Self-Initializing Terminal Service Information Transport Shared Interoffice Trunk Trigger Source Information Translator Special Information Tone Static Induction Transistor System Integrity Testing Societe Internationale de Telecommunications Aeronautiques Societe Internationale Transport Aeronautiques Satellite International Television Center SIT Call Associated Signaling SSIT Intelligent Test Environment Satellite International Television Program Center Simplification of International Trade Procedures (EDIFACT) Smalltalk ISDN Terminal Simulator Special Investigation Test Schedule (UK) State-Independent Tentative Symbol Estimation Serial Interface Unit Slide-In Unit Subscriber Interface Unit System Integration Unit Service Interworking Serial Interconnect-x ISO country code for Svalbard and Jan Mayen Islands Special t (ETSI) Shortest Job First Signal-to-Jamming Ratio ISO country code for Slovakia Postal code for Saskatchewan SKip Session Key Changeover Shared Key Cryptosystem Session Key Exchange Software Key Escrow Spectrum Knowledge, Information and Learning Simple Key Exchange for Internet Protocols Simple Key Exchange Internet Protocol Simple Key Interchange Protocol Stock Keeping Unit Stockkeeping Unit Skyline ISO country code for Republic of Sierra Leone Scenario Language Screening List Scroll Left Search List (TETRA) Secondary Language Secretarial Line Semi-Restricted Line Send Leg Service Layer Session Layer (OSI) Set Leader Shared Library Sign Language Signaling Link Single Location SLave station Smallest-Last

SL SL SL SL SL SL SL SL SL&C SL1 SL-1 SL-1 SL-100 SL2 SL3 SLA SLA SLA SLA SLAC SLAN SLAP SLAR SLAT SLB SLBM SLBM SLBRI SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLC SLCA SLCC SLD SLD SLD SLD SLD SLD SLDRAM SLDS SLE SLE SLE SLE SLE SLEAC SLECID SLED SLEE SLEM SLETO

Special Link Stack Limit Stored Language Stored Logic Submarine Lightwave Subscriber Line Subscriber Loop Suspended Line Service Logic and Control Stored Language I Stored Language I Stored Logic-1 Stored Logic-100 Sublayer 2 Sublayer 3 Semiconductor Laser Amplifier Service Level Agreement Signal Layer Adaptation Storage Logic Array (Chip, Cirrus Logic Inc.) Subscriber Line Audio-processing Circuit Secure Local Area Network Subscriber Line Access Protocol Side-Looking Airborne Radar System Lineup and Test Segment Lookaside Buffer Status, List, Below Minimum Submarine Launched Ballistic Missile (Military) Single Line BRI Secured Logon Coordinator Signaling Link Code Simple Line Code Speech Link Connecting Speech Link Connector Submarine Laser Communications Subscriber Line Charge Subscriber Line Concentrator Subscriber Loop Carrier Subscriber Loop Concentrator Synchronous Line Carrier Service Life Cycle istration Speech Link Connecting Concentrating Simultaneous Line Downtime Subscriber Line Data (Bus) (ISDN) Subscriber Line Device (Telecom.) Superluminescent Diode Symmetric Life Dependency System Level Design Sync-Link DRAM Single-Line Digital Service Screening List Editing Selective List Editing Single Line Environment Small Local Exchange Static Lightpath Establishment Screening List Editing Access Code SLE Consecutive Invalid Digits Single Large Expensive Disk Service Logic Execution Environment Status, List, Exceed Maximum SLE Timeouts

SLF SLHR SLHRID SLI SLI SLI SL-I SLIC SLIF SLIF-S SLink SLINK S-Link SLIP SLIP SLK SLL SLL SLL SLLC SLLM SLLMD SLM SLM SLM SLM SLM SLM SLM SLM SLMB SLMQW SLMS SLN SLNK SLNW SLO SLOC SLOC SLOF SLOG SLO-I SLOTS SLP SLP SLP SLP SLP SLP SLP SLP SLP SLP_ID SLPI SLPT SLPTAM SLQ SLR SLR SLR

Screening List Features Service Logic Host Route Service Logic Host Route ID Service Logic Interpreter Session Level Interface Symmetric Life Independency ISDN Semi-Restricted Line Subscriber Line Interface Circuit Serial Link Interface Serial Link Interface-Slave Serial Link Softools Advanced Linker Serial Link Serial Line Interface Protocol Serial Line Internet Protocol Signaling Link Satellite Line Link Service Logic Language Smalltalk Link Library Site Line Load Control Satellite Logical Link Manager Satellite Logical Link Manager for DPNSS Service Level Management Signal Label Mismatch Signaling Link Management Single Longitudinal Mode Spatial Light Modulator Station Level Manager Subscriber Loop Multiplex System Load Module Subscriber Line Module Broadband Strained-Layer Multiple Quantum Well Selective Level Measuring Set Search List Number (TETRA) SL-100 Link SL-100 Network Control Semi-Restricted Originating Line Single Location Resource Finder Source Lines of Code Single Location Object Finder S-Record Load Generator ISDN Semi-Restricted Originating Line Simulated Load Operation Testing System Second Level Push-button Secure Local Proxy Service Location Protocol Service Logic Process Service Logic Processing Program Service Logic Program Signaling Link Processor single link procedure (CCITT) Station Line Protocol Service Logic Program Identifier Service Logic Processing Program Instance Special Loop Treatment Special Loop Treatment for Analog Member of EKTS Single Line Queuing Send Loudness Rating Sending Loudness Rating Service Level Reporter (SNA)

SLR SLR SLRH SLS SLS SLS SLS SLS SLSI SLT SLT SLT SLT SLT SLT SLT SLT SLT SLT SLT SLT SLT SLT SLTA SLTA SLTA SLTANI SLTC SLTD SLT-D SLTE SLTE SLT-E SLT-I SLTM SLT-PDU SLU SLU SLU SLU SLU SLU SLUS SLVP SLW SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM

Strip-Line Resonator (Micro Waves) Synchronous Line Repeater Handset Sending Loudness Rating SideLobe Suppression Signaling Link Selection Signalling Link Selection code Strained Layer Superlattice Synchronization Link Selection Super Large-Scale Integration (IC) Arcada Backup Job File SchnurLoses Telefon Semi-Restricted Terminating Line Set Up Logical Terminal Signal Layer Trail Terminations Signaling Link Test SLoT sublayer Special Line Traffic Subscriber Line Terminal Subscriber Line Termination Switchman's Local Test Synchronous Line Terminal System Load Tape System-Level Transaction Signaling Link Termination Adaptation Signaling Link Test Acknowledgment message Subscriber Loop Test Access Special Line Traffic Automatic Number Identification Signaling Link Test Control Subscriber Loop Test Digital Subscriber Loop Test Digital Signaling Link Termination Equipment Submarine Line Terminating Equipment Subscriber Loop Test Extended ISDN Semi-Restricted Terminating Line Signaling Link Test Message SLot Protocol Data Unit Secondary Logical Unit Straight Line Undent Subscriber Line Unit Subscriber Line Usage Subscriber Line Usage Study System Load Unit Subscriber Line Usage Study(ies) Single Line Variety Package Saber Lan Workstation ISO country code for Republic of San Marino Schlaer Mellor Security Management SegMent sublayer Senior Member Service Management Service Mark Service Measurement Service Mobility Service Module Service Monitoring Session Manager Set Manager Set Mode Shared Memory

SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM3 SMA SMA SMA SMA SMA SMA SMA SMA SMA SMA SMA SMA SMA SMA2 SMAA SMAAL

Short Message Signaling Manager Signaling Message Simulation Model Single Mode (Fibre Optics) Source Manager Staff-Month State Machine Statistical Multiplexing Stepper Motor Store Manager Streaming Mode Subrate Module Subsequence Mask Surface Mount Surface Mounted Surface Mounting Switching Module System Management System Manager System Metrics Systems Management Simulation Model Three Search Mode Acquisition Shelf Management Agent Signaling Management Architecture SNA Management Architecture Source Managed Agreement Speaker, Microphone, Antenna Spectrum Management Agency Subscriber Module Access Subscriber Module AccessNode Subscriber-Carrier Module Access Surface Mounted Assembly Synchronous Multiplexer Add/Drop System Maintenance Active Subscriber-Carrier Module Access 2 Service Mapped Architecture Analysis Small Packet Multiplexed Asynchronous Transfer Mode Adaptation Lay

er SMAD SMAE SMAF SMAF SMAF SMAP SMAP SMAP SMAPM SMART SMART SMART SMART SMART SMARTRing SMARTS SMAS SMAS SMAS SMAS

Subscriber Monitoring Activation/Deactivation System(s) Management Application Entity Service Management Access Function Service Management Agent Function Signaling Management Access Function Service Management Agent Point Signaling Management Application Process System(s) Management Application Process Systems Management Application Protocol Machine Script Manager and Automated Regression Tester Self-Monitoring, Analysis, and Reporting Technology Software Metering and Resource Tracking Source Migration and Reporting Toolset Systems Measurement Analysis and Reporting Tool Self-Healing Multi-Nodal Alternate Route Topology Ring System Management Arts Service Management Application System Service Management System Switch Memory istration Subsystem Switched Maintenance Access System

SMASE SMAT SMATV SMATV SMAUG SMB SMB SMB SMB SMB SMB SMB SMB SMC SMC SMC SMC SMC SMC SMC SMC SMC SMC SMC SMC SMC SMD SMD SMD SMD SMD SMD SMD SMDF SMDI SMDL SMDP SMDR SMDR SMDR SMDR-P SMDS SMDS SMDS SME SME SME SME SME SME SME SME SME SME SMECB SMED SMEDB SMF SMF SMF

System(s) Management Application Service Element Sprint Mid Atlantic Satellite Master Antenna Television Satellite Master Antenna TV System Security Monitoring and Auditing of Groups Server Message Block (Microsoft) Session Message Block Signaling Management Block Signaling Message Block SuperNode Multicomputing Base Switch Multicomputing Base System Main Bus System Message Block SCSI-3 Medium Changer Commands Senior Management Conference Serial Management Controller Service Management Center Service Monitoring Customization Site Management Center (CWAN-ATT) SONET Minimum Clock Standard Microsystems Corp. Status Monitoring Condition Subscriber and Maintenance Centre Surface Mounted Components Switch Maintenance Center Switching Module Control State Machine Data Storage Module Device Storage Module Drive (Peripheral Controller) Subscriber Modifiable Data Surface Mount Device Surface Mounted Device Surface-Mounted Device Subscriber Main Distributing Frame Simplified Message Desk Interface Standard Music Description Language Semi-Markov Decision Problem Station Message Detail Recording Station Message Details Record Storage Management Data Requester Station Message Detail Recording to Premises Switched Multimegabit Data Service Switched Multimegabit Data System Switched Multimegabit Digital Service Security Message Exchange Short Message Entity Signaling Management Environment SL Mediation Equipment Small to Medium Enterprise(s) Small-to-Medium Size Enterprise Society of Manufacturing Engineers Subject Matter Expert Subscriber Module Equipment System Management Entity SME Control Block Smart Editor SME Data Block Security Management Facility Selective Multicast capable Flag Service Management Function

SMF SMF SMF SMF SMF SMF SMF SMFA SMFI SMFS SMFU SMFUD SMG SMG SMG SMGEN SMH SMI SMI SMI SMI SMI SMI SMI SMIB SMIC SMIEEE , Inc. (US) SMIL SMIP SMIS SMIT SMK SML SML SMLE SMM SMM SMM SMM SMMC SMMCI SMMR SMMT SMN SMN SMOAC SMP SMP SMP SMP SMP SMP SMP SMP SMP SMP SMP SMP SMP

Shared-Memory Fabric Signaling Management Function Simple Message Format Single-Mode Fiber Software Maintenance Function Status Monitoring Fail Event Systems Management Function Systems Management Functional Area Shared Memory and Fabric Interface Simple-Minded File System Systems Management Functional Unit Systems Management Functional Unit Deployment Service Management Special Mobile Group (ETSI TC) Super Master Group Sort/Merge GENeration Signaling Message Handling Sequential Minimum Interference Service Management Interaction Structure of Managed Information Structure of Management Information Subsystem Multiplicity Indicator Switched-Mode Inverter (Power Supply) System Management Interrupt Security Management Information Base (X.800) Sales and Marketing Information Center Senior Member of Institute of Electrical and Electronics Engineers Synchronized Multimedia Integration Language Strategic Management Information Plan Specific Management Information-ing Service (OSI) System Management Interface Tool Shared Management Knowledge Service Management Layer Sun Microsystems Laboratories Small-Medium Local Exchange Service Management Module Service Mobility Manager Start of Manual Message System Management Mode System Maintenance Monitor Console System Manager/Managed Component Interface Scanning Multichannel Microwave Radiometer Society of Motor Manufacturers and Traders SONET/SDH Management Network System Management Network Shared Memory Ownership and Access Control SCSA Messaging Protocol Service Management Point Service Management Process Session Management Protocol Signaling Management Protocol Signalling Mediation Point Simple Management Protocol Software Maintenance Process software motion picture Standby Monitor Present Status Monitoring event Surveillance Management Program Switching Module Processor

SMP SMP SMP SMP SMP SMP+ SM-PDU SMPS SMPTE SMPU SMPUR SMQ SMR SMR SMR SMR SMR SMR SMR SMR SMR SMRG SMRP SMRS SMRT SMS SMS SMS SMS SMS SMS SMS SMS SMS SMS SMS SMS SMS SMS SMS SMS SMS SMS SMS SMS SMS SMS/PP SMSA SMSC SM-SC SMSCB SMS-CB SMSCH SMSI SMSL SMS-MO/PP SMS-MT/PP SMSR SMSR SMS-R

Symmetric Multiprocessing Symmetric Multiprocessor Symmetrical Multiprocessing Symmetrical MultiProcessing Systems Management Protocol (BT) Signaling Management Protocol Plus SegMent Protocol Data Unit Switched-Mode Power Supply Society of Motion Picture and Television Engineers Switching Module Processor Unit Subscriber Service Management Usage Report Signaling Message Queue Service Management Reporter Session Message Receiver Signal-to-Mask Ratio Software Modification Request Special Mobile Radio Specialized Mobile Radio Split Mode Subscriber Carrier Module-100 Rural Subscriber Module, Remote Service Measurements Report Generator Simple Multicast Routing Protocol Specialized Mobile Radio Services Single Message Rate Timing Satellite Multiservice System (EUTELSAT) SDH Management Subnetwork Service Management System (Nokia) Services Message Switch Set Management Services Shelf Management System Short Message Service Short Message Services Software Management System Special Multicast Server Speech Mail System Station Management System Storage Management Services Subscriber Carrier Module SLC-96 Subscriber Management System Subscriber Management Systems Subsystem Management Service Switch Message Subsystem System Management Service System Management Software Systems Management Server Short Message Service/Point-to-Point Standard Metropolitan Statistical Area Short Message Service Center Short Message Service Center Short Message Service Cell Broadcast Cell Broadcast Short Message Service Short Message Service Channel System Management Service Interface Standard Multimedia Scripting Language Mobile Originating Short Message Service, Point to Point Mobile Terminating Short Message Service, Point to Point Side-Mode Suppression Ratio Subscriber Carrier Module SLC-96 Remote Subscriber Carrier Module Remote

SMSS SMS-SC Smt SMT SMT SMT SMTP SMTP SM-TP SMU SMU SMU SMU SMU SMU SMUX SMUX SMV SMVBR SMVT SMX SMXU SN SN SN SN SN SN SN SN SN SN SN SN SN S-N SN&M SN/IP SNA SNA SNA/ACF SNA/MS SNAC SNACF SNA SNA SNA SNADS SNaN SNAP SNAP SNAP SNAP SNAP SNAP SNAP SNAP SNB SNC SNC

Software Manufacturing System Short Message Service- Service Centre Short Message Terminal Station Management Station Management Layer (FDDI) Surface-Mounted Technology Simple Mail Transfer Protocol (T/IP-DoD) Simple Mail Transport Protocol Short Message Transport Protocol Scaled Measurement Unit signal monitoring unit Signaling Message Statistical Multiplex Unit Subscriber Carrier Module Urban Systems Management Utilities (IBM) Service Multiplexer SNMP Multiplexing Protocol Self Monitoring Variable Statistically Multiplexed VBR Scroll Mode VT Switch Matrix Module Service Message Transfer Unit ISO country code for Republic of Senegal Segment Number Sequence Number Serial Number Service Node Service Number Services Node Stock Number Subnetwork Subnetwork Layer Service Subscriber Number SuperNode Switching Network Signal-to-Noise Service Negotiation and Management Service Node/Intelligent Peripheral Short Number Addressing (TETRA) System Network Architecture (IBM Inc.) SNA Advanced Communications Functions SNA Management Services Switching Network Analysis Center SubNetwork Access Function (NL-OSI) SNA Control Protocol Subnet Access Sublayer SubNetwork Access Protocol (NL-OSI) SNA Distribution Services Signaling Not-a-Number Single Number Access Plan Standard Network Access Protocol Subnetwork Access Point SubNetwork Access Protocol Subnetwork Attachment Point SuperNode Access Protocol Switch Network Analysis Program Symbolic North Assembly Program Subscriber NumBer Subnetwork Connection Subnetwork Controller

SNC SN SN- SND SND SND SND SND/ND SNDCF SND SND SNE SNE SNEE SNEG SNET SNET SNET SNF SNF SNF SNF SNF SNG SNI SNI SNI SNI SNI SNI SNI SNIAP SNIC SNICF SNI SNI SNIP SNIP SNIP SNIS S-NIU SNL SNL SNL SNM SNM SNM SNM SNM SNM SNMC SNML SNMP SNMPD SNMPng SNMPv1 SNMPv2 SNMPv3 SNN SNO

Synchronous Network Clock Subnetwork Connection Protection Service Node Control Processor Macintosh System Sounds File Serial Number Checking Denied Sound Standard Normal Deviate (signal + noise + distortion)/(noise + distortion) Sub-Network Dependent Convergence Function Subnet Dependent Convergence Protocol Subnetwork-Dependent Convergence Protocol Service Notification Element Signaling Network Element Services Node Execution Environment Service Negotiation SONET Network Southern New England Telephone Synchronous Network Sequence Number Field Server Natural Format Server Normal Font Service Network Function System Noise Figure Satellite News Gathering Secure Network Interface Service Node Interface Signaling Networks Identifier SMDS Network Interface SNA Network Interconnect Standard Network Interface Subscriber-Network Interface SONET Network Interoperability Analysis Program Subscriber Network Interface Circuit SubNetwork Independent Convergence Function (NL) Subnet Independent Convergence Protocol SubNetwork Independent Convergence Protocol (NL) Shadow Next Instruction Pointer Signaling Network Identifier Parameter SuperNode IP Switching Networks Information Systems Single Dwelling Netwotk Interface Unit Signaling Network Layer Spectrum Network Layer SPM Network Layer Service Notification Manager Shiva Network Manager Signaling Network Management Signalling-Network-Management signal Standardized Network Management Subnetwork Manager Service provider Network Management Computer Subnetwork Management Layer Simple Network Management Protocol SNMP Daemon Next Generation SNMP Simple Network Management Protocol Version 1 Simple Network Management Protocol Version 2 Simple Network Management Protocol Version 3 Server Network Node Send Notify Order

Snobol SNOTEL SNP SNP SNP SNPA SNPA SNPC SNQ SNQP SNR SNR SNR SNR SNR SNRC SNRM SNRME SNRS SNS SNS SNS SNS SNS SNSC SNSE SNSE SNT SNTP SNUC SNUF SNV zation) SNVS SNW SNX SO SO SO SO SO SO SO SO SO SO SO SO SO SO SO SO SO SOA SOA SOA SOA SOA SOAC SOAR

String-Oriented Symbolic Language Snow Pack Telemetry Radio Sequence Number Protection Service Notification Point Suspended Non-Payment Serving Numbering Plan Area Subnetwork Point of Attachment Single Network Packaged Core Service Notification Queue Simple Nomenclator Query Protocol Serial Number Signal-to-Noise Ratio Stored Number Redial Subsystem Normal Routing message Supernode Remote Subsystem Normal Routing Control Set Normal Response Mode (HDLC) Set Normal Response Mode Extended (HDLC) Signal-to-Noise Ratio Scalability Secondary Network Server Signaling Network Systems Simple Name Service Single Number Service Software Navigation System Shanghai Nortel Semiconductor Corporation SuperNode Size Enhanced SuperNode System Enhanced System Noise Temperature Simple Network Time Protocol Semipermanent Nailed-Up Connection SNA Upline Facility Schweizerische Normen Vereinigung (Swiss Association for Standardi Status, Not in Valid State Subnetwork STREAMS and T/IP Networking Executive DDOC Section: Service Orders ISO country code for Somali Democratic Republic (Somalia) Satellite Office Semantic Object classes Send Only Service Order Serving Office Shift Out Signaling Office Signoff Slow to Operate Small Outline Space Operation Stutter Tone Only Summary Overflow Suspend Origination Switching Office Safe Operating Area Semiconductor Optical Amplifier Start of Address Start of Authority Suppress Outgoing Access Service Order Analysis and Control Safe Operating Area

SOAR SOB SOC SOC SOC SOC SOC SOCC SOCC SOCC SOCC SOCKS SOCS SOCT SOD SOD SODD SODL SOE SOF SOF SOG SOG SOGITS SOGT SOH SOH SOHO SOI SOI SOIC SOJ SO-J SOLAS SOLID SOM SOM SOM SOM SOM SOM SOM SON SON SONAD SONAR SONET SONG SOOO SOOS SOP SOP SOP SOP SOP-P SOR SOR SOR SOR SORC

Smalltalk On A RISC Statement of Boredom Service Observing Circuit Service Operation Center Software Optionality Control System Overload Control(s) System-on-a-Chip Selective Origination Code Control Serial Optical Channel Converter SMS Originated Code Control Suggested Optical Cable Code Sockets Service Order Control System Software Optionality Control Test Services On-Demand Stringing of Digits Static Office-Dependent Database Switch Object Definition Language Standard Operating Environment Specification of Functions Start of Frame Small-Outline Gull-wing Subsystem Out-of-Service Grant message Senior Officials Group for Information Technology Standardization Senior Officials Group on Telecommunications (CEC) Section Overhead Start of Heading Small Office/Home Office Silicon On Insulator (IC Technology) Start of Image Small-Outline Integrated-Circuits (Package) Small Outline J-bent package (IC) Small Outline J-Lead Safety Of Life At Sea Software Load Information Database S/DMS Operational Measurements Self-Organizing Map Shared Object Model Start of Message Supernode Operational Measurements System Object Model System Object Module Service Order Number Small Office Network Speech Operated Noise Adjusting Device SOund Navigation and Ranging Synchronous Optical Network Space, Oceanography, Navigation and Geodynamics Subscriber Out of Order message System Out-of-Service Service Order Processor Service Order Provisioning Small-Outline Package (IC) Standard Operating Procedure Signal Operations Platforms-Provisioning Start Of Record Statement of Requirements Station Origination Restriction Subsystem Out-of-Service Request message Station Origination Restrictions Controller

SORF SORMF SORP SOS SOS SOS SOS SOS SOS SOS SOSS SOST SOST SOSTT SOT SOT SOT SOT SOTF SOTMF SOTS SOVA SOW SOX SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP

Start Of Receive Frame Start Of Receive MultiFrame Self-Organized Resuse Partitioning Service Order System Silicon-On-Sapphire (IC Technology) SMARTS Operations Server Space Operation Service Start of Scan Start of Selection message Operating System of Operator Specific Services Software OID Status Table Special Operator Services Traffic Special Operator Services Traffic Trunk Small Office Termination Small-Outline Transistor (Package) Start Of Text Subscriber Originating Trunk Start Of Transmit Frame Start Of Transmit MultiFrame Service Observed, Traffic Sampled Soft Output Viterbi Algorithm Statement of Work Sound Exchange Security Protocol Segment Priority Semi-Public Sent-Paid Serial Port Serial-to-Parallel Service Pack Service Participant Service Position Service Processor Service Protection Service Provider Service Provisioning Session Protocol Shelf Processor Short (radio) Path Signal Present Signal Processing Signal Processor Signaling Point Signaling Processor Signaling Profile Singing Point Single Pole Single Purpose Slave Present SoftPhone Software Package Space Spare Special Speech Speech Processor Spool Stack Pointer Status bit P

SP SP SP SP SP SP SP SP-1 SP3 SPA SPA SPA SPA SPA SPA SPA SPA SPAc SPACE SPACH SPAD SPADE SPAG SPAMM SPAN SPAN SPANS SPAP SPAPH SPAPHDDN SPAPHDN SPARC SPAT SPAt SPB SPBI SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC-CMS SPC-DM SPCF SPCI

Stored Program Subscriber Profile Supervisor Privilege Switch Profile Switching Point System Parameters System Product Stored Program-1 Security Protocol for Network Layer Three Semi-Permanently Associated Service Package Application Session Participant Address Software Process Assessment Software Publishers Association Special Application Special Applications Armor Start of Protected Area SPA Call Session System Performance and Cellular Engineering SMSCH, PCH, and ARCH Channels Synchronous PAD Single-Channel-Per-Carrier Pulse-Code-Modulation Multiple AccessDemand Assignment Equipment Standards Promotion and Application Group, S.A. Single Policy Acting on Multiple Models Simple Protocol for ATM Network System for Planning the Access Network Simple Protocol for ATM Network Signaling Shiva Authentication Protocol Semi-Permanent Access to Packet Handler SPAPH Default DNs SPAPH Directory Numbers Selectable Processor ARChitecture (Sun/Microsystems Inc. RISC) Services Process and Architecture Team SPA Terminal Endpoint Special Billing Sub-Period Billing Interval SCSI-3 Primary Commands Secondary Point Code Semipermanent Connection Service Profile Configuration Service Protection Center Signal Processing Companion Signal Processing Component Signal Processor Companion Signaling Point Code Single Point Connection Software Publishing Corporation Special Speech Processing Control Split Charging Service Statistical Process Control Stored Program Control (PABX) Stored Program Controlled Subscriber Power Controller (ISDN) Suppress Preferential (CUG) Stored Program Control-Call Management System Stored Program Control- Module Service Point Command Facility (APPN-IBM) Small Form-Factor PCI

S-PCN S-PCN SPCRIT SPCRT SPCS SPCS SPCS SPCS S-PCS SPD SPD SPD SPD SPD SPD SPD SPD SPDBT SPDL SPDT SPDT SPDU SPE SPE SPE SPE SPEC SPEC SPEC SPEC SPEC SPECCONN SPECs SPECS are SPECT SPEED SPEG SPESS SPF SPF SPF SPFD SPG SPG SPGA SPGA SPH SPI SPI SPI SPI SPI SPI SPI SPI SPI SPI SPI SPI

Satellite- Personal Communications Network Satellite Personal Communications Network Specific Criterion SPC Report Type Service POint Command Services (Net/Master, IBM) SPC Status Stored Program Control Switch(ing) (System) Stored Program Control System Satellite-based Personal Communications System Sample Pulse Driver Semipermanent Data Signal Processing and Display Simplified Printer Description Software Process Development Spectral Power Distribution Structural Protocol Definition Surge Protective Device Single PilotDataBase Table Standard Page Description Language Single-Pole Double-Throw switch Special Dial Tone Session Protocol Data Unit Semi-Public Environment Service Provider Environment Synchronous Payload Envelope Synchronous Payload Environment Service and Product Enhancement Code Speech Predictive Coding Speech Predictive Encoded Communication Standard Performance Evaluation Corporation System Performance Evaluation Corporation Special Connections Software Productivity thru Enhanced Communications Specification and Programming Environment for Communications Softw Single Photon Emission Computed Tomography (Medical) Streamlined Process Expiditing Engineering Deliverables Still Picture Experts Group (ISO) Stored Program Electronic Switching System Shortest Path First Structured Programming Facility System Performance Factor Spectral Power Flux Density Signaling Processor Gateway Single Point Ground Software Programmable-Gain Amplifier Staggered Pin Grid Array Signal Processing Hardware SCSI-3 Parallel Interface Security Parameters Index Serial Peripheral Interface (Bus) (RCA/Motorola Inc.) Service Profile Identification Service Provider Identifier Service Provider Indicator Service Provider Interface Services Programming Interface SPACE Provisioning Interface Spacing Increment Speaker Identification Standard (electronic) Picture Interconnect (Siemens AG)

SPI SPI SPI SPI SPI SPICE SPICE SPID SPID SPID SPIE SPIM SPIN SPINE SPIRIT SPITE SPKI SPKM SPL SPL SPL SPL SPL SPL SPL SPL SPL SPL SPL CLD SPL CLG SPL/M S-plane SPLC SPM SPM SPM SPM SPM SPM SPM SPM SPM SPM SPM SPM SPM SPM SPM SPM SPM SPM SPM SPM SPM SPM-B SPMPC SPMS SPN SPN SPN

Stream Programming Interface Subsequent Protocol Identifier Synchronous Physical Interface System Programmer's Interface Systems Programming Interface Simulation Program with Integrated Circuits Emphasis Software Process Improvement and Capability Determination Service Profile Identification Service Profile Identifier Service Provider Identification International Society of Optical Engineering Smalltalk Portable Imaging Model Software Process Improvement Network SPace Informatics NEtwork Service Providers Information and Requirements for IT Switching Processing Interface Telephone Event Simple Public Key Infrastructure Semi-Public Key Mechanism Service Provider Link Session Processing Level Software Parts List Sound Pressure Level Special Special Billing Speed Call Long Splice Split Charging Stored Procedure Language Special Called Billing Special Calling Billing Systems Programming Language for Microprocessors Supervisory plane Split Charging Self Phase Modulation Service Participant Manager Service Peripheral Module Service Profile Management Services Peripheral Module Session Protocol Machine (OSI-SL) Signaling Point Manager Signaling Processor Memory Software Process Modeling Software Programmer's Manual SONET Physical-layer Mapping Specialized Processing Module Spectrum Peripheral Module Subscriber Premises Meter Subscriber Private Metering Subscriber Profile Management Subscriber's Private Meter Subscription Parameter Management Supervisory Processor Module Switch Performance Monitoring Synergy Peripheral Module Service Profile Management- Basic Rate Supervisory Processor Module Paddle Card Switch Performance Monitoring System Service Provider Network Signal Processing Node Signaling Parameter Negotiation

spn SPN SPNB SPNP SPOC SPOI SPOOL SPOT SPOT SPP SPP SPP SPP SPP SPP SPP SPP SPP SPPAY SPPS SPR SPR SPR SPR SPR SPR SPRC SPRIG SPRING SPRING SPRINT SPRINT SPRINT SPRITE ment SPROM SPS SPS SPS SPS SPS SPS SPS SPS SPS SPS SPS SPS SPS SPS SPS SPSB SPSS SPST SPST SPT SPT SPT SPTeam SPTF

Signaling Parameter Negotiation Subscriber Premises Network Some-Primary/No Backup of Private Numbering Plan (supplementary service) Single Point of Signaling Point of Interface Simultaneous Peripheral Operations On-Line Service Pilot on TINA Signaling Point of Termination Sequence Packet Protocol (XNS) Service Providing Point Service Provision Point Service Provisioning Platform Service Provisioning Point Signal Processing Package Single Process Purge Speech Processing Peripheral Station Programmable PIN Semi-Postpay Pay-Station Semi-Postpay Pay-Station Send Priority and Route Digit Service Profile Reference Signaling Point With SC Relay Function Spare Special-Purpose Symmetrical Phase Recording Signaling Process Control System for Placement and Routing using Interconnect Geometry Shared Protection Ring Subscriber Programmable Ringing Service Process Reduction of Interval Team Services Product Reduction of Interval Southern Pacific Railroad Internal Telecommunications Spectrum Peripheral Reusable Integrated Telecommunications Environ Switched Programmable Read-Only Memory Samples Per Second Service Provider System Signal Processing for Storage Signalling Protocols and Switching (ETSI TC) Signalling, Protocols and Switching Software Process Sheets Software Product Specification Solar Power Satellite Speed Call Short Speed Calling Short Standby Power Supply State Processing Software Statistics Processing System String Process System System Performance Score Some-Primary/Some-Backup Statistical Package for the Social Sciences Single-Pole Single-Throw Single-Pole Single-Throw switch Sectors Per Track Self Paced Tutorial System Page Table Services Prototyping Team Shortest Processing Time First

SPTM SPTR SPTS SPTV SPTY SPU SPU SPU SPU SPU SPU SPU SPV spvb SPV-B SPVC SPVP SPW SPW SPW SPWM SPX SPX SPyT SQ SQ SQ SQA SQAM SQC SQCIF SQD SQE SQEG SQET SQFD SQFP SQH SQI SQI SQL SQL SQL SQLQMF SQPR SQRM SQRT SQT SQuID SQUID SR SR SR SR SR SR SR SR SR SR

Service Processor Transition Module Safe Data Pointer Single Program Transport Stream Still Picture Television Single Party Serial Processing Unit Signalling Point Unknown message Speech Processing Unit Speed Call Strategic Planning Unit (ITU) System Processing Unit System Processor Unit Semipermanente Verbindung (Semipermanent Connection) Service Profile Verification- Basic Rate Service Profile Verification- Basic Rate Soft PVC Soft PVP Signal Processing Workbench Signal Processing Worksystem Subscribers Private Network Synchronized Pulse-Width Modulation Sequenced Packet Exchange (Novell) Service Processor with UNIX Single-Party Testing Signal Quality SQuare Status bit Q Software Quality Assurance Staggered Quadrature Amplitude Modulation Statistical Quality Control Sub QCIF Signal Quality Detector Signal Quality Error Speech Quality Experts Group Signal Quality Error Test Software Quality Function Deployment Small Quad Flat Pack Sender Queue High Software Quality Improvement Supplier Quality Improvement Sender Queue Low Specified Quality Level Structured Query Language (Data Base Retrieval Language) SQL Query Management Facility (IBM) Software Quality Program Requirements Software Quality Reference Manual Square Root Site Qualification Test Source Quench Introduced Delay Superconducting QUantum Interference Device ISO country code for Republic of Suriname SCE Recovery Scroll Right Secondary Radar Segment Selective Ringing Selective Routing Semi-Restricted Line Send Ready Sender Report

SR SR SR SR SR SR SR SR SR SR SR SR SR SR SR SR SR SR SR SR SR SR S-R SR0 SR1 SR10 SR2 SR20 SR3 SR30 SR40 SR50 SR512 SR60 SR70 SRA SRA SRA SRA SRA SRA SRA SRAC SRAM SRAM SRAM SRAPI SRASM SRB SRB SRB SRB SRBP SRBX SRC SRC SRC SRc SRC SRC

Service Report Service Request Shift Short Reach Signaling Rate Selector Signalling Rate bit Single-Resolution Slew Rate Slow Release Smalltalk Report (periodical) Source Route Source Routing Space Research Special Report Status bit R Status Status Request Storage Storage to String Range Subrate Symbolic Range System-to-Receiver optical power Supervisor Storage 0 Supervisor Storage 1 Series 10 Processor Circuit Pack Supervisor Storage 2 Series 20 Processor Circuit Pack Supervisor Storage 3 Series 30 Processor Circuit Pack Series 40 Processor Circuit Pack BRISC Series 50 Processor Circuit Pack Subrate DS-512 BRISC Series 60 Processor Circuit Pack BRISC Series 70 Processor Circuit Pack Selective Routing Arrangement Service Reuse Architecture Single Rate Area Software Requirements Agreement Standby-Ready-Acknowledgement signal Status Request Acknowledge Suppressed Ringing Access Strategic Resource Advisory Council Shared RAM Static RAM Static Random Access Memory Speech Recognition API Standard Relocatable Assembler Software Release Bulletin Source Route Bridging Switched Redundancy Billing Synchronisation Reference Burst Synthetic Resin Bonded Paper (printed circuit board) Spontaneous Report-By-Exception Search Semiconductor Research Corporation Shared Resources Computer Signalling Rate capability Software Repair Center Source

SRC SRC SRC SRC SRC6 SRCC SRCC SRCC2 SRCF SRCT SRD SRD SRD SRDA SRDB SRDL SRDM SRDY SRE SRE SRE SRE SRE SRE SRE SRE SREJ SRES SRES SRES Sres SREX SRF SRF SRF SRF SRF SRF SRF SRF SRFCI SRFO SRG SRHR SRHRG SRI SRI SRI SRI SRI SRI SRI SRI SRI SRL SRL SRL SRL SRL SRL

Standard Recognition Circuit (television) Strategic Review Committee (ETSI) Subrate Controller System Recovery Controller ETSI Strategic Review Committee No. 6 Signaling Route Congestion Control SONET Remote Cluster Controller SONET Remote Cluster Controller 2 Subregional Control Facility Signaling Route Set Congestion Test Secondary Receive Data Short Range Device Strategic Resource Development S-Bus Receive Data Selective Routing Database Subrate Digital Loop Subrate Data Multiplexer Synchronous Ready Send Reference Equivalent Sending Reference Equivalent Signaling Range Extender Software Release Environment Software Reliability Engineering Standard for Robot Exclusion Standard for Robots Exclusion Surveillance Radar Equipment Selective REJect (HDLC) Expected Subscriber Response Signed Response Signed RESponse (authentication) SourceRouteEndStation System Routine Exercise Controller Service Request Flag Service Request Form Service Resource Finder Service Resource Function Special Resource Function Specialized Resource Function Specifically Routed Frame Status Report Frame Service Resource Finder Command Interface Sequential Routing with Flow Optimization Shift Generator Service Resource Host Route Service Resource Host Route Group Send Routing Information Service-Request-Inhibit Signal Related Information SMDS Interface Protocol (SIP) Relay Interface SMDS Relay Interface Stanford Research Institute Subscriber Remote Interface Suspend/Resume Indicator(s) Suspend/Resume Information Shift Latch Silicon Reuse Library Singing Return Loss Software Restructuring Lab Stability Return Loss Structural Return Loss

SRLHI SRLLO SRM SRM SRM SRM SRM SRM SRM SRM SRM SRM SRM SRM SRM SRM SRM SRMA SRME SRMF SRMF SRMS SRMTC SRMU SRN SRN SRP SRP SRP SRP SRP SRP SRP SRP SRP SRP SRP SRP SRP SRPI SRPP SRPT SRQ SRQ SRQAC SRR SRR SRR SRr SRR0 SRR1 SRS SRS SRS SRS SRS SRS SRS SRS SRS

Singing Return Loss-High Singing Return Loss-Low Scalable Reliable Multicast SCE Release Management Security Reference Monitor Segment Review Meeting Self-Routing Module Send/Receive Mode Service Reference Model Service Requirements Model Service Requirements Modeling Session and Resource Manager Signaling Route Management Small Rack Mount Statistical Reliability Monitoring Stratified Reference Model Subsystem Relationship Model Split-channel Reservation Multiple Access Specialized Resource Management Entity Send and Receive Multifrequency Send-Receive Multifrequency Shuttle Remote Manipulator System Speech Recognition Maintenance Task Subrate Multiplexer Unit Segment Release Notice Source Recepient Node (DIA) SC Relay Point Service Request Policy Signaling Relay Point Signaling Routing Point Simplified Retransmission Protocol Software Release Package Software Release Process Speech Recognition Processor Standard Rollout Package Standard Rollout Process STS Reorder and Protection Suggested Retail Price Supervisor Root Pointer Server Requester Programming Interface (IBM) System Reference Potential Plane Status Report Service Request Status Request Software Reliability and Quality Acceptance Criteria Secondary Receiver Ready Serially Reusable Resource Short Range Radio Signalling Rate Request Machine Status Save/Restore 0 Machine Status Save/Restore 1 Secondary Request to Send Service Request Signal Shared Registry System Signaling Route Set Software Requirements Specification Sound Retrieval System Space Research Service Standard Receive Side Standard Repair System

SRS SRS SRS SRSC SRSC SRSCT SRSF SRSM SRSP SRSP SRSS SRST SRT SRT SRT SRT SRT SRT SRT SRT SRT SRT SRTAD1 SRTAD2 SRTAD3 SRTC SRTC SRTD SRTD1 SRTD1ACC SRTD2 SRTD2ACC SRTD3 SRTD3ACC SRTDD1 SRTDD2 SRTDD3 SRTL SRTM SRTP SRTS SRTT SRTTD1 SRTTD1ACC SRTTD2 SRTTD2ACC SRTTD3 SRTTD3ACC SRTV SRU SRU SRU SRUC SRV SRV SRVA SRVR SRVT SS SS

Statutory Reporting Structure Sub-Rating Scheme Subscriber Recording System SONET Remote Switching Center Streamlined Remote Switching Centre Signaling Route Set Congestion Test Session Resource Finder Specialized Resource Function Call State Model Session Root Service Proxy Standard Radio System Plan Speech Recognition Service Supervisor Signaling Route Set Test Self-Routing Tag Service Routing Transparent Short Range Telemetry Shortest Remaining Time Signaling Route Test Source Route Transparent Source Routing Transparent Station Ringer Test Station Ringing Transfer Subsystem Routing Status Test message Station Ringing Transfer Activate Destinations 1 Station Ringing Transfer Activate Destinations 2 Station Ringing Transfer Activate Destinations 3 Subrate Channel Subsystem Routing Status Test Control Silicon Release To Design Station Ringing Transfer Destinations 1 SRT Destination Set 1 Access Codes Station Ringing Transfer Destinations 2 SRT Destination Set 2 Access Codes Station Ringing Transfer Destinatioons 3 SRT Destination Set 3 Access Codes Station Ringing Transfer Deactivate Destinations 1 Station Ringing Transfer Deactivate Destinations 2 Station Ringing Transfer Deactivate Destinations 3 Silicon Release To Layout Status-Reporting Transfer Mode Silicon Release To Prototype Synchronous Residual Time Stamp Smoothed Round-Trip Time Station Ringing Transfer Toggle Destinations 1 SRT Destination Set 1 Toggle Access Code Station Ringing Transfer Toggle Destinations 2 SRT Destination Set 2 Toggle Access Code Station Ringing Transfer Toggle Destinations 3 SRT Destination Set 3 Toggle Code Silicon Release To Verification Shared Resource Unit Small Remote Unit Super Recording Unit Split Reservation Upon Collision SC Routing Verification Service message SC Routing Verification Acknowledgement SC Routing Verification Result SC Routing Verification Test Sandbox Submit Segmented Store

SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS#5 SS#6 SS#7 SS/80 SS2 SS3 SS5 SS6 SS7 SSA SSA SSA SSA SSAC SSAC SSAD SSAP SSAP SSA-PH SSAS SSB SSB SSB SSB SSB SSB SSBAM SSBR SSBSC

Select Standby Sequence State Service Supervisor Service Switching Session Service(s) Signaling Server Signaling System Simple Session Single Shift Single Sided Single Step SMDS Switching System Solid State Space Segment Space Switch Special Service Special Services Spread Spectrum Stack Segment Static Style Station to Station Storage-Storage Structured Storage SubSystem (number) Supervisory Signal Supervisory System Supplementary Service Supplementary Service(s) Switching System System Simulator System Stack Signaling System No. 5 Signaling System No. 6 Signaling System No. 7 SubSet 1980 Single Shift 2 Single Shift 3 Signaling System No. 5 Signaling System No. 6 Signalling System No 7 Serial Storage Architecture Signal Stability-Based Adaptive Routing Start of Selected Area Subsystem Allowed message Station-Specific Authorization Code Subsystem Allowed Control Subscriber Service Activation/Deactivation Session Service Access Point Source Service Access Point (token ring) Serial Storage Architecture Bus Station Signaling and Announcement Subsystem Signaling State Block Single Sideband Software Status Bulletin Subscriber Busy Subscriber Busy message Subscriber-Busy signal Single Sideband Amplitude Modulation Shadow Scoreboard Single Sideband Suppressed Carrier

SSC SSC SSC SSC SSC SSC SSC SSC SSC SSC SSC SSC SSC SSC SSCE SSCF SSCF SS-CF SS-CFB SS-CFNR SS-CFU SS-CLIP SS-CLIR SS-CNIP SS-CNIR iction SS-COLP SS-CONP SSCOP SS SS SSCS SS-CT SSD SSD SSD SSD SSD SSD SSD SSD SSD SSD SSDA SSDD SSDU SSE SSE SSE SSE S-SEED SSES SSF SSF SSF SSF SSF SSF SSF

SCSI-3 Stream Commands Sector Switching Center Selective Signalling Code Single System City Small Subscriber Carrier SMP Service Creation Spare Storage Cabinet Special Service Center Specialized Systems Consultants, Inc. Station Selection Code Subscriber Security Control Subscriber Services Controller Subsystem Clock Supplementary Service Control string Supplementary Service Control Entity Service Specific Coordination Function Service Specific Co-ordination Function Supplementary Service- Call Forwarding Supplementary Service- Call Forwarding Busy Supplementary Service- Call Forwarding No Reply Supplementary Service- Call Forwarding Unconditional Supplementary Service- Calling Line Identification Presentation Supplementary Service- Calling Line Identification Restriction Supplementary Service- Calling Name Identification Presentation Supplementary Service- Calling/Connected Name Identification Restr Supplementary Service- Calling Line Identification Presentation Supplementary Service- Connected Name Identification Presentation (supplementary service) Service Specified Connection Oriented Protocol Service Switching and Control Point System Service Control Point (SNA) Service Specific Convergence Sublayer Supplementary Service- Call transfer Second Start Dial Secondary Send Data Service Subscription Directory Service Data Shared Secret Data Solid State Disk Source-Surface Distance Space Services Division Start of Stream Delimiter Static Sensitive Device Synchronous Serial Data Adapter Singe-Sided Double-Density (Disk) Session Service Data Unit Service Subscription Element Static Service Element System Supervisory Equipment System Surveillance Equipment Symmetric SEED Small Smart Electronic Switch Same-Side-First Service Specific Functions Service Function Service Switching Function (IN term) Single Sided Frame Small Single Fibre Sub-Service Field

SSF SSFC SSFDC SSG SSG SSG SSGR Ssh SSHO SSI SSI SSI SSI SSI SSI SSI SSI SSI SSI SSID SSID SSIE SSIF SSIG SSIS SSIT SSIT SSL SSL SSLC SSLO SSLPP SSM SSM SSM SSM SSM SSM SSM SSM SSM SSM SSMA SSMA SSMB SSME SSMG SSMS SSN SSN SSN SSN SSN7 S-SNMP SSO SSOC SSOG SSOP SSOP SSP

SuperSonic Frequency Sequential Single Frequency Code Solid State Floppy Disk Card Signaling Server Group Software Submissions Guidelines Subscriber Service Group Supplier Generic Requirements Secure Shell Softer Handover Server Side Include Server Side Includes Small-Scale Integration Start Service Instruction Start Signal Indicator Submarine Systems Inc. (AT&T) Subscriber Service Invocation Supplementary Service Interactions Supplementary System Information Synchronous Serial Interface Service Specific Initiation Data Start Service Instruction Detail System Service Initiation Event Supplementary System Information Field terminal-network SIGnalling at T reference point Solid-State Image Sensor SII/SMS Interface Tester Supplementary System Information Type Secure Sockets Layer Subscriber Service Limiter Special Service Line Card Solid State Local Oscillator Single Shelf Link Peripheral Processor Satellite System Monitor Service State Machine Single Segment Message Special Services Module Spread Spectrum Modulation spread-spectrum modulation Switching State Model Synchronization Status Message Sync-Stream Manager System Machine Scan Shared Memory Area Spread Spectrum Multiple Access Special Services Management Bureau Service Switching Function Management Entity Satellite System Monitoring Group Special Services Management System Special Services Network Subsequence Number Sub-System Number Survivable Subnetwork Signaling System No. 7 Secure SNMP Satellite Switching Office Switching Services Operations Center Satellite System Operations Guide (INTELSAT) Satellite System Operating Plan (INTELSAT) Shrink Small Outline Packaging SCSI-3 Serial Storage Protocol

SSP SSP SSP SSP SSP SSP SSP SSP SSP SSP SSPA SSPC SSPI SSPI SSPID SSPM SSPSK SSPSNBR SSP-UT SSR SSR SSR SSR SSR SSR SSR SSR SSR SSR SSRA SSRC SSRE SSRR SSRV SSS SSS SSS SSS SSS SSS SSS SSS SSS SSS SSSD SSSF SSSP SSSR SST SST SST SST SST SST SST SST SST SST SST SST

Security Service Provider Selector Signal Preparation Service Switching Point Service Switching Point (IN term) Service-Specific Part Signalling and Switching Processor Signalling Switching Point Subsystem Prohibited message Supervisor Stack Pointer Switching Service Process Solid State Power Amplifier Subsystem Prohibited Control Security Service Provider Interface System Specific Performance Index SSP ID Subscriber Service Profile Manager Spread Spectrum Phase Shift Keying SSP Sub-System Number Service Switching Point Under Test Secondary Surveillance Radar Separations Summary Solid State Relay solid-state recorder Steady State Reception Subscriber Service Report Subscriber Representative Supplier's Software Repository Switch Status Report System Status Spread Spectrum Random Access Synchronization Source Status, System Resources Exceeded Strict Source and Record Route Send Service message Self-Synchronizing Scrambling Self-Synchronous Scrambling Signalling Software Subsystem SMDS Switching System Standard Send Side Switched Special Service(s) Switched SubSystem Switching Subsystem System/Segment Specification Systems Security Services Single-Sided Single-Density (Disk) Self-Scanner Stop Failure Station to Station Sent Paid Subscriber Service Status Report Safe Store Utility Secondary State Send Special Information Tone message Send Special information Tone signal Short Sender Timing Short Supervisory Transition Silicon Storage Technology Inc. Single Sideband Transmission Spread-Spectrum Technology Subscriber Service Testing Subscriber Station Subscriber Transferred

SST SST SST SST SST SST SSTC SSTDMA SS-TDMA SSTF SSTI SSTIC SSTO SSTP SSTV SSTV SSU SSU SSU SSU SSW SSW ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST st ST ST ST ST ST ST ST ST ST ST ST ST ST st ST ST ST ST St/Ev ST/SYS

Subscriber-Transferred (Changed Number) signal Subsystem Status Test message Super Self-aligned Technology (High-Speed Bipolar IC) Synchronous Service Transport Synchronous System Trap System Segment Table Subsystem Status Test Control Switched Satellite Time Devision Multiple Access satellite-switched TDMA Shortest Seek Time First System Segment Table Index Shared Storage Interface Chip System Segment Table Offset Status, Stopped Slow Scan Television Slow-Scan TeleVision Single Signaling Unit Subsequent Signal Unit Switch Supervisory Unit Synchronization Supply Unit Serving Switch Space Switch end-of-pulsing Signal ISO country code for Democratic Republic of Sao Tome and Principe MF Start Signal SCE Testing Science and Technology Sector Tandem Segment Type Send Timing Serial Telecom Serial Transmission Short-Term Sidetone Signaling Terminal Signaling Tone Signalling Termination Slot Type Smalltalk Smalltalk File Software Testing Source Terminate Space Telescope Spanning Tree Start signal Stimulus Terminal Stop Pulsing Signal (End-of-Pulsing Signal) Stop Transmission Straight Tip Stream Protocol Street Name String Terminator Subscriber's Terminal Such that SuperTracer Suspend Termination Symbol Table System Time State/Event Mapping Storage and Transfer System

ST/V Digitalk Smalltalk/V ST/X Smalltalk/X ST2 Stream Protocol Version 2 ST2P Stop Pulsing Signal Double Prime ST3P Stop Pulsing Signal Triple Prime ST6E Signaling Terminal 6 Equipment ST7 Signaling Terminal 7 ST7A Signaling Terminal 7 Array ST7E Signaling Terminal 7 Equipment ST80 Smalltalk-80 STA Servei de Telecommunicacions d'Andorra STA Service Test Application STA Short Term Accessibility STA Signaling Terminal Array STA SmalltalkAgents STA Spanning Tree Algorithm (IEEE 802.1D) STA State STA Station STACS Security Technology and Consulting Services STAG Security Techniques Advisory Group (ETSI) STAIRS STorage And Informations Retrieval System STAM Smalltalk Architecture Model STAMP Standardized Message Protocol STAMP Standardized Test Access Message Packet STAP Smalltalk Apprentice Program STAR Advanced telecommunications for the industrially less advanced reg ions of the EC STAR Satellite Globalstar STAR Setup Info and Reusable Dialogs STAR Special Telecommunication Action for Regional Development STAR Subspace-Tracking Array-Receiver STAR System to Test Adaptive Routing STAREQ STAR (*) Equivalence Code STARS Sampled Traffic Analysis and Reports System STARS Software Technology for Adaptable, Reliable Systems STAT Status message STAT ENQ Status Enquiry message STB Set-Top Box STB Shelf Test Bus STB Signalling Terminal Buffer STB Simulation Testbed STB Split Ticket Billing STB Stage Translation Block STB Symbol Table STBA Segment Table Base Address ST-BUS Mitel Semiconductor Serial Telecom Bus ST-Bus Synergy Transaction Bus STBY Standby Stby Standby STBYC Standby-Cold STBYH Standby-Hot STBYI Standby Inhibited STBYS Standby Switched STC ETSI Technical Sub-Committee STC Secondary Transit Center STC Sensitivity Time Control STC Serving Test Center STC Signaling Terminal Controller STC Signalling Terminal Controller STC single time code

STC STC STC STC STC STC STC STC STC STC STC STCC STCM STCM STD STD STD STD STD STD STD STD STD_ANN STDA STDD stderr stdin stdlog STDM STDM STDM STDM STDMG STDN stdout STDP STE STE STE STE STE STE STE STE STE STE STE STE STE STE STE STE6 STE7 STEAM STEG STEI STEM STEP STEP STEP

Society for Technical Communication Society of Technical Communication Software Technology Center Standard Telephone & Cable Standard Telephones and Cables Standard Transmission Code, Structure Chart SubTechnical Committee (ETSI) Switching and Testing Center System Time Clock Systems Training Center Spacecraft Technical Control Centre Signaling Terminal Control Module Signaling Terminal Controller Module Software Test Description Standard Standard Deviation State Transition Diagram Stuttered Dialtone Subscriber Trunk Dialing Synchronous Time Division System Target Decoder Standard Announcements S-Bus Transmit Data Shared Time-Division Duplexing Standard Error Output Standard Input Standard Logging Output Statistical Time Division Multiplexer Statistical Time-Division Multiplexer Statistical/synchronous TDM Synchronous Time Division Multiplexing STD Manufacturer's Group Space Tracking and Data Network Standard Output Single Throw Double Pole switch Section Terminating Equipment Section Termination Equipment Security Terminal Equipment Segment Table Entry Service Triggering Element Signaling Terminal Signaling Terminal Equipment Signaling Terminal Link Error Threshold Exceeded Signaling Terminating Equipment Software Test Environment Span Terminating Equipment Spanning Tree Explore Spanning Tree Explorer Station Terminal Equipment Supergroup Translating Equipment Signaling Terminal 6 Extension Signaling Terminal 7 Extension Segmented Testcase Execution istration and Management Segment Table Entry Group Static TEI STS Element Manager Signaling Transfer and Endpoint Single Test Execution Platform Software Technology Evolution Program

STEP STF STF STF STF STF STFL STFP STFP STG STG STG STG STH STI STI STI STIC STID STIG STIG STIM STK STK STL STL STL STL STL STLP STLWS STM STM STM STM STM STM STM STM STM STM STM STM STM STM-1 STM-1 STMF STM-N STMR STMR STN STN STN STN STN STND STO STO STOR STOR

Standard for the Exchange of Product Model Data (EDI) Short-Term Failure Some Tests Failed Speech Transcoding Frame Start Field State Transition Failure Signaling Terminal Card Failure SGML Tree Formatting Process Standard Tree Formatting Process Signaling Terminal Group Single Trunk Group SToraGe System Test Group Services Test Head Scientific and Technical Information Securicor Telesciences Inc. Signalling Terminal Interface Smalltalk Industry Council Set TID Speech Technologies Interest Group Speech Technology Interest Group Smalltalk Implementation Model Search Tool Kit Standard Electric Kirk St. Laurent Standard Telecommunication Laboratories Standard Telegraph Level Standard Template Library Studio-Transmitter Link Secure Transport Layer Protocol Supplementary Trunk Line Work Station Scanning Tunneling Microscope Scanning Tunneling Microscopy Service Traffic Management Service Trunk Module Short Term Memory Signaling Traffic Management Small Trunk Module STation Management (FDDI) Subscriber Traffic Monitoring Synchronous Time Multiplexing Synchronous Transfer Mode Synchronous Transport Mode Synchronous Transport Module Synchronous Transfer Mode 1 Synchronous Transfer Model-level 1 STate Management Function Synchronous Transport Module-N Sidetone Masking Rating Side-Tone Masking Reference Special Tone Station Stream to NHLFE Map Super Twisted Nematic (LCD Displays) Super-Twist Nematic Standard Single Traffic Office System Test Objectives Sectored Transmit, Omni Receive Store Allocator

STORM STP STP STP STP STP STP STP StP STP STP STP STP STP STPA STPDPCD1 STPDPCD2 STPGTSCD STPL STPST STPTTNBR STQ STQ STR STR STR STR STR STR STR STR STR STR STR STR STR STRD STRE STRI STRIDE Europe STRIFE STRSS STS STS STS STS STS STS STS StS STS STS STS STS STS STS STS STS STS

Structure-Oriented Resilent Multicast Screened Twisted Pair Service Transaction Program Shielded Twisted Pair Short Term Prediction Signal Transfer Point Signaling Transfer Point Software Test Plan Software Through Pictures Spanning Tree Protocol (FDDI) Standard Temperature and Pressure SToP Stop Pulsing Signal Prime Subtable Pointer ST-BUS Parallel Access Circuit STP Destination Point Code (Primary) STP Destination Point Code (Secondary) STP Global Title Source Code Sidetone Path Loss Stop-Start STP Translation Type Number Service Triggering Queue Specch Processing, Transmission and Quality Aspects Sanity Timer Selective Toll Restriction Selective Trunk Reservation Send To Resource Sidetone Reduction Slotted Tube Resonator (NMR) Software Test Report Speaker-Trained Recognition Special Tone Receiver Specialized Tone Receiver State- and Time-Dependent Routing Synchronous Transmit/Receive Synchronous Transmitter/Receiver Short Timed Release Disconnect Sidetone Reference Equivalent Technological Institute of Iceland Standards Division Science and Technology for Regional Innovation and Development in Stress to Life Speaker-Trained Recognition Service Supervisor Scandinavian Telecommunications Services Secondary Timing Supply Serving Translation Scheme Set Transmit State Shared Tenant Service Signaling Terminal Shelf Site Transmission System Smalltalk Systems Software Test System Software Testing System Space Transportation System (Shuttle) Space-Time-Space (switching) Speech Technology Server Staged Transport System Station-to-Station Synchronous Transfer Signal Synchronous Transfer System

STS STS1 STS-1 STS12 STS-12 STS18 STS-18 STS192 STS-192 STS24 STS-24 STS3 STS-3 STS36 STS-36 STS3C STS-3C STS48 STS-48 STS9 STS-9 STS96 STS-96 STSN STSn STS-n STS-N STS-Nc STSR STST STT STT STT STT STT STT STTL STTP STU STU STU STU STU STU STU STU STU F STU H STUG STUI STV STV STV STWC STX STX STX SU SU SU

Synchronous Transport Signal Synchronous Transport Signal Level 1 Synchronous Transport Signal-Level 1 Synchronous Transport Signal Level 12 Synchronous Transport Signal-Level 12 Synchronous Transport Signal Level 18 Synchronous Transport Signal-Level 18 Synchronous Transport Signal Level 192 Synchronous Transport Signal-Level 192 Synchronous Transport Signal Level 24 Synchronous Transport Signal-Level 24 Synchronous Transport Signal Level 3 Synchronous Transport Signal-Level 3 Synchronous Transport Signal Level 36 Synchronous Transport Signal-Level 36 Synchronous Transport Signal Level 3 Concatenated Synchronous Transport Signal-Level 3 Concatenated Synchronous Transport Signal Level 48 Synchronous Transport Signal-Level 48 Synchronous Transport Signal Level 9 Synchronous Transport Signal-Level 9 Synchronous Transport Signal Level 96 Synchronous Transport Signal-Level 96 Set and Test Sequence Numbers Synchronous Transport Signal Level n Synchronous Transport Signal-Level n Synchronous Transport Signal-Level N Concatenated Synchronous Transport Signal- Level N Sectored Transmit, Sectored Receive Self Test Secure Transaction Technology Services Tracking Tool Set-Top Terminal Software Tracking Tool State Transition Table Strategic Test Tools Schottky Transistor-Transistor Logic SGML Tree Transformation Process Secure Telephone Unit Set-Top Unit Signal Transmission Unit Speech Transcoding Unit Station Termination Unit Subscriber Terminal Unit Subscriber Termination Unit Subscriber's Trunk Unit Speech Transcoding Unit-Full Rate Speech Transcoding Unit-Half Rate Smalltalk s Group Service To Information Digitalk Smalltalk/V Sprint Telecommunications Venture Subscription Television Subscription Three-Way Calling Smalltalk/X Start of Text STS Cross-Connect ISO country code for USSR (obsolete) Scroll Up Segmentation Unit

SU SU SU SU SU SU SU32 SUA SUA SUB SUB SUB SUB SUB SUB SuB Technology) subRU SUBRU SubsA SUC SUDS SUEM SUERM SUG SUGI SUI SUI SUID SUIT SULTS SUM SUM SUMM S-UMTS SUN SUNI SUNY SUP SUP Sup SUPAC SUPERNet SUPR SUPV SUR SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS/RES i SUSGRP SUSI

Served (TETRA) Set Up Signal Unit Signaling Unit Subscriber Unit Super Substitutional 3B2T Software Group Unblocking Acknowledgment Signal Stored Upstream Neighbor's Address Subaddress Parameters Subaddressing SUBaddressing (supplementary service) Subscript (HTML tag) Substitute Character Suburban Systemunabhaengige Betriebsfuehrung (System-Independent Operating Sub Recording Unit SubRecording Unit Subsequent Address Starter Use Case Software Update and Distribution Service SUS Element Manager Signal Unit Error Rate Monitor Smalltalk s Group Secondary Group identity Supplemenal Identification Supplementary Identification Set ID Simple Interface Toolkit Subscriber Line Testing System Sample Unsuccessful Backward Setup Information Message Software 's Manual Summary Satellite-UMTS Sunrise Saturn Network Interface State University of New York Superscript (HTML tag) SUpervisory Packet Supplement Super Authorization Code Shared Unlicensed Personal Radio Network Supervisor SUPerVisor SMP Usage Report SCE Usage Scope Silicon Unilateral Switch Single System Site Utilities System Small Ultimate Size Susended Line Suspend Suspend message Suspend Service Suspended Service Suspension Suspend/Resume Indicators Suspend service for a group of lines Simple Unified Search Interface

SUSP SUSP SUSP SUT SUT SV SV SV SV SV SV SVA SVA SVC SVC SVC SVC SVC SVC SVC SVC SVC SVCB SVCC SVCC SVCC SVC-CRS SVCD SVCI SVCIA SVCIB SVCId SVCIup SVCRED SVCS SVD SVD SVD(S) SVE SVGA SVGA SVHOE S-VHS SVI SVID SVL SVL SVN SVN SVOD SVP SVP SVP SVPC SVR SVR SVR SVR2 SVR3 SVR4

Subscriber Usage Sensitive Pricing Subscription Usage Sensitive Pricing Suspend Switch Under Test System Under Test ISO country code for Republic of El Salvador SerVice sublayer Service Vendor Supervision Vessel System Verification Shared Virtual Area Supervision Amplifier (Switched) Virtual Call Secure Voice Communications service Service Call Signaling Virtual Channel Supervisor Call Switched Virtual Call Switched Virtual Channel Switched Virtual Circuit Switched Virtual Connection Supervision Control Block Service Charge Service Surcharge Signaling Virtual Channel Connection Switched Virtual Connection Cell Relay Service Service Code Dialing Signaling Virtual Channel Identifier Signaling Virtual Channel Identifier A Signaling Virtual Channel Identifier B Signalling Virtual Channel Identifier downstream Signalling Virtual Channel Identifier upstream SVC Redundancy Satellite Video Communication System Simultaneous Voice and Data Singular Value Decomposition Simultaneous Voice Data (Service) SAP Vector Element Super VGA Super Video Graphics Array Stratified Volume Holographic Optical Element Super Video Home System (VHS) Service Interception System V Interface Definition (ATT) Spare Values Standard Volume Label Software Version Number Subscriber Verification Number Staggered Video on Demand Senior Vice President Surge Voltage Protector Switched Virtual Path Switched Virtual Path Connection Server Service Supply Voltage Rejection System V Release System V Release 2 Unix System V Release 3 Unix System V Release 4 Unix

SVRAM SVS SVS SVS SVVS SW SW SW SW SW SW SW SW56 SWA SWA SWA SWAB SWAC SWACT SWAMI SWAN SWAP SWAP SWAP SWB SWBD SWBT SWC SwC SWCT SWD SWDL SWDL SWDR SWEDAC SWER Swerr SWF SWF SWF SWF-DS1 SWFG SWG SWG SWIFT SWIFT SWIFTNet SWIM SWING SWL SWLT SwMI SWNR SWOF SWOP SWP SWP SWR SWS SWS

Synchronous VRAM Select Vertical Spacing Single Virtual Storage Single Virtual System System V Verification Suite (AT&T) Short Wave (3...30 MegaHertz) Show Window Software Southwest Status Word Switch Synchronization Word Switched 56 Single Wire Armour Software Agreement Standardization Work Area (ETSI) Standard Billing Number for WATS System-Wide Authorization Code Switch Activity Serialized WIP And Management Information Seamless Wireless ATM Network Exchange DNs Shared Wireless Access Protocol Software Agreement Process Southwestern Bell Switchboard Southwestern Bell Telephone Servicing Wire Center Switch Card Switch in Activity Software Delivery Software ed Software ing Single Way Dynamic Range Swedish Board for Technical Accredication Software Error Software Error Second-Window Fibre (1300 nm) Short Wave Fadeout Switched Fractional Switched Fractional DS1 Secondary Waveform Generator Standard Wire Gauge Sub-Working Group Intelligent Switch Filtering Technique Society for Worldwide Interbank Financial Telecommunications Software Inter-company Flexible Transfer Network Super Woz Integrated Machine Subscriber Wireless Network Gateway Short Wave Listener Swap Logical Terminals Switching and Management Infrastructure (TETRA) Switch of Activity/Node SWitchover Operation Failure Standard Web Offset Press Swap file Switching Pattern Standing Wave Ratio Silly Window Syndrome Standard Work Seconds

SWT SWTCH SWTI SWTL SWTO SWUL SWUL SWV SWVR SX SXC SXGA SXIP SXS SxS SY SY SYD SYDR SYFL SYLK SYM SYN SYN SYN SYN SYN SYN SYN SYN SYN SYN channel SYNC SYNC SYNC SYNC SYNC SYNCD SYNCF SYN SYNT SYNTRAN SYS SYS SYS SYS SYSB SYSDOC SYSGEN SysM SYSOP SYU SZ SZ sz SZC SZD

Standard Work Time Switching System Activity Software Transfer Inhibited Surface-Wave Transmission Line Software Transfer Only Software Software Up-Loading Service Work Volume Standing Wave Voltage Ratio Simplex Synchronous Crossconnect Super XGA Shadow Execute Instruction Pointer Step-by-Step Step-by-Step ISO country code for Syrian Arab Republic (Syria) Staff-Year SYstem Data Synchronization Driver Receiver System Failure Symbolic Link Symmetric 1/6 character of International Alphabet No.5 Synchronization Synchronization signal unit Synchronize Synchronize Sequence Numbers flag Synchronous Channel/Synchronized Cells Sublayer Synchronous Idle Synonym SYNthesizer SYNchronization channel Synchronization SYNChronization word (in SYN channel) SYNChronize Synchronous Synchronous Clock SYNChronization word for D channel SYNchronization word from Cordless Fixed part (in SYN channel) SYNchronization word from P (in SYN channel) Shenyang Nortel Telecommunications Synchronous DS3 Transmission System System File System istration System System Busy System Level Design Document System Generation System Maintenance System Operator Synchronization Signal Unit ISO country code for Kingdom of Swaziland Seizure String terminated by a zero byte Super Zone Center Seized

back to top|0-9|A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S - T -

U|V|W|X|Y|Z T T reference point T Temperature T Tera (1,000,000,000,000 or 1024*1024*1024*1024) t tera (10+12) T Terminal T Terminal Transactor t time T Timer T Tip T Token Bit T Trail Termination T Trailer T Transaction T Transformer T Transmission Element T Transmit T Transparent T Transport T Transport Layer T Transport Layer Service T Trap T Trunk T Type Only T&A Toll and Assistance T&C and Conditions T&C Test & Certification T&C Time and Charge(s) T& Transport and Control Platform T&L Terminate and Leave T&M Time and Materials T&R Tip and Ring T/A Tones and Announcements T/C True/Complement T/CAS Traffic-alert/Collision-Avoidance System (Avionics) T/D Talk/Data T/E Test and Evaluation T/R Tip and Ring T/R Transceiver T/R Transmit/Receive T/S Time Switch T1 ANSI standards committee responsible for telecommunications T1 Timer T1, LAPB Acknowledgement Timer T1 Timer T1, period of time at the end of which retransmission of a f rame may be initiated T1AG T1 Advisory Group T1DM T1 Data Multiplexer T1FP T1DM Framing Pattern T1M1 technical subcommittee to T1 responsible for internetwork OAM&P st andards T1MTC T1 Maintenance Task T1PB T1 Paddle Board T1S1 technical subcommittee to T1 responsible for standards related to service, architectures and signalling T1SS T1 Service Supervisor T1X1 technical subcommittee to T1 responsible for standards pertaining to synchronous interfaces and hierarchical architectures

T1X75 T2 T2 T2.0 T2.1 T200 T200P T201 T203 T203P T2X75 T3 T301 T301P T303 T303P T305 T305P T306 T306P T308 T308P T309 T309P T310 T310P T312 T316 T316P T320 T320P T321P T322 T322P T3POS T3X75 T4 T400 T401 T402 T402P T408 T408P T5 T8A TA TA TA TA TA TA TA TA TA TA TA TA TA Ta TA

X.75 Timer T1 Timer T2, LAPB Response Timer Type 2 node Type 2.0 node Type 2.1 node ISDN Layer 2 Timer T200 ISDN Layer 2 Timer T200 for PRI ISDN Layer 2 Timer T201 ISDN Layer 2 Timer T203 ISDN Layer 2 Timer T203 for PRI Timer 2 for X.75 Timer T3, LAPB Idle Channel Timer ISDN Layer 3 Timer T301 ISDN Layer 3 Timer T301 for PRI ISDN Layer 3 Timer T303 ISDN Layer 3 Timer T303 for PRI ISDN Layer 3 Timer T305 ISDN Layer 3 Timer T305 for PRI ISDN Layer 3 Timer T306 ISDN Layer 3 Timer T306 for PRI ISDN Layer 3 Timer T308 ISDN Layer 3 Timer T308 for PRI ISDN Layer 3 Timer T309 ISDN Layer 3 Timer T309 for PRI ISDN Layer 3 Timer T310 ISDN Layer 3 Timer T310 for PRI ISDN Layer 3 Timer T312 ISDN Layer 3 Timer T316 ISDN Layer 3 Timer T316 for PRI ISDN Layer 3 Timer T320 ISDN Layer 3 Timer T320 for PRI ISDN Layer 3 Timer T321 for PRI ISDN Layer 3 Timer T322 ISDN Layer 3 Timer T322 for PRI Transaction Processing Protocol for Point of Sale Timer 3 for X.75 Type 4 node Regular Interdigit Timer T400 Critical Interdigit Timer T401 Timer T402 Timer T402 for PRI ISDN Layer 3 Timer T408 ISDN Layer 3 Timer T408 for PRI Type 5 node Trunk Module 8-Wire with Metallic Access Technical Advisory Technical Assembly (ETSI) Telecommunication Authority Telecommunications istration (EC) Terminal Adapter Terminal Area Terminal Authentication Termination Attempt Test Access Test Alert Testing Accepted Text Alignment Time Advance Time intervalover which the random variable STA is defined Timing Advance

TA TA TA TA TA TA TA TA TA TA TA WP TA96 TAA TAA TAAB TAAS TAB TAB TA-BA TABL TABS TABS TABXFR TAC TAC TAC TAC TAC TAC TAC TAC TAC TAC TAC TACA TACAF TACAN TACC TACD TACE TACF TACS TACS TACT TACTRAF TAD TAD TAD TAD TAD TADO TADS TADS TAE TAE TAF TAF TAFAS TAFAS TAFI

Toll and Assist(ance) Tones and Announcements Trade Association Traffic istration Transferred Transistor Amplifier Travel Authorization Trouble istration Trunk Amplifier Type Approval Technical Assembly Working Procedures (ETSI) Telecommunications Act of 1996 Transfer Allowed Acknowledgement Transfer-Allowed-Acknowledgement signal Type Approval Advisory Board Trunk Answer Any Station Tape Automated Bonding Tape-Automated Bonding (IC) Trunk-Bridger Amplifier Table Talking Alternate Billing System Telemetry Asynchronous Block Serial (AT&T protocol) Table Transfer Technical Area Committee (CEC) Technical Assistance Center Telenet Access Controller Terminal Access Controller Terminal Association Control Test Access Card Test Access Circuit Test Access Control(ler) Time And Charges Trunk Access Control Type Approval Code Telecommunications Authorities Cryptographic Algorithm (USA) Terminal Access Control Agent Function Tactical Air Navigation (Military Avionics) Test Access Telephone Area Code Directory Test Access Controller Equipment Terminal Access Control Function Total Access Cellular System Total Access Communications System Timer T-Activate Test Access Controller Traffic Telephone Answering Device Test Access Digital Test Access Digroup Thrust Augmented Delta Time and Date Touch Asynchronous Data Option Target Acquisition Designation Sight (Military Avionics) Traffic istration Data System Telecommunications, Americas Edition (periodical) Test Access Network Equipment Terminal Access Facility (NetView) Terminal Adaptation Function Test Access From Any Station Trunk Answer From Any Station Technical Analysis and Findings Information

TAG TAG TAG TAG TAG TAGTMART TAI TAI TAI TAISEL TAL TAL TAL TalDE TALIST TalOS TAM TAM TAM TAM TAMI TAML TAN TAN TANSTAAFL TAO TAO TAP TAP TAP TAP TAP TAP TAP TAP TAP TAP TAPI TAPP TApp tar TAR TAR TAR TAR TARA TARA TARDIS TARI TARI TARM TARM TARP TARP TARR TAS TAS TAS TAS TAS

Technical Activities Guide Technical Ad-hoc Group Technical Advisory Group Technology Action Group Technology Advocacy Group Tag/Value Master Record Tape Table Access Interface Temps Atomique International Temps Atomique International (International Atomic Time) Taiwan International Standard Electronics Ltd. Test Access Link Tetherless Access Ltd. Trigger Assignment List Taligent Development Environment Trigger Assignment List Taligent Object Services Technical Assistance Manual Telecommunication Access Method Test Access Multiplexer Timer, Active Monitor TPC istration and Maintenance Interface Tandem Matching Loss Terminal Access Network (INOS-ATT) Test Access Network There ain't no such thing as a free lunch T Accelerated Open Telephony Applications Object Technical Analysis Platform Telecommunication Application Platform Telelink Applications Processor Telocator Alphanumeric Input Protocol Telocator Alphanumeric Protocol Terminating Access Provider Test Access Path Test Access Point Test Access Port Transfer and Advancement Program Telephony Application Programming Interface Telephony Applications Telephony Applications Framework Tape Archive Technical Action Request Terminating Access Record(s) Total Allocated Rate Translation Audit Record Telecom Applications Research Alliance Threshold Analysis and Remote Access (pgm, SNA) Tariff Definition System for Network Design (IBM) Tertiary Access Rights Identity Tertiary ARI Telephone Answering and Recording Machine Telephone Answering Recording Machine Target Identifier (TID) Address Resolution Protocol Terminal Address Resolution Protocol Test-Action Request Receiver Technical Assistance Service(s) Technical Assistance Telecom Analysis System Telecommunications Authority Singapore Telephone Answering Service

TAS TAS TAS TAS TAS TAS TASC TASC TASC TASC TASI TASM TASM TASMAN TASS TASS TAT TAT TAT TAT TAT TAT TAT TAT TAT TATC TATS TATS TATS TAU TAU TAU TAUT TAXI TAZ TB TB TB TB TB Tb TB TB TB TB TB TB TB TB TB TBA TBAF TBB TBB TBC TBC TBC TBC TBC TBC

Terminal-Activated Services Terminating Access Service Test Access Selector Tones, Announcements, and Signals Transceiver Antenna System Trunk Answer Any Station CSTA + SCAI Technical Assistance and Surveillance Center Telecommunication Applications for Switches and Computers Telecommunications Alarm, Surveillance, and Control Time Assignment Speech Interpolation (Bell Laboratories) Terminal Access State Model Turbo Assembler Tasmania submarine cable Trouble Analysis Subsystem Trouble Analysis System Terminal Application Transactor Termination Attempt Trigger Theoretical Arrival Time Trans-Atlantic Telecommunications submarine cable Trans-Atlantic Telephone TransAtlantic Telephone cable Transit Access Termination Translations Architecture Team Turn-Around Time Traffic And Test Controller Test and Traffic Simulator Test and Traffic System Traffic And Test System Test Access Unit Test and Alarm Unit Time Assignment Unit Terminal Authentication Transparent Asynchronous Transmitter/Receiver Interface Tool-Activated ZIF Broadband T-Interface Talk Battery Task Block Technical Body (ETSI) Technical Bureau (EWOS) Technisches Betriebsburo (Technical Operation Office) Terabyte Terminal Balance Terminal Block Time Base Toll Break In Toolbar Transmission Buffer Transparent Bridge Transparent Bridging To Be Added Terminating BAF T-Link Building Block Transborder BroadBand Tab Clear Terminating Basic Call Time Base Corrector Time Based Charging Time-Base Corrector (Video) Token Bus Controller

TBC TBC TBC TBCD TBCM T-BCM TB TBCS TBCT TBD TBD TBD TBD TBE TBE TBETSI TBH TBHC TBI TBI TBIA Tbid ms) TBINK TBIS Tbit/s TBL TBL TBL TBM TBM TBM TBM TBMLCIS TBMRM TBN TBO TBO TBOS Tbps TBR TBR TBR TBRL TBRL TBR-RT TBS TBS TBS TBSG TBSTATE TBSTYLE TBT TBU TBU TBUS T-BUS TBUSA TBV TBV

Token Bus Controller (IEEE 802.4) Traffic Bearer Control Trunk Bearer Circuit Telephony Binary Coded Decimal Terminating Basic Call Model Terminating Basic Call Model Tagged Binary Communications Protocol Terminating Basic Call Service Two B-Channel Transfer Temporary Bundler/Debundler To Be Determined To Be Developed Transmit Buffer Descriptor Time-Base Error Transient Buffer Exposure Technischer Beirat fur Normungsfragen des ETSI To Be Hired Terminating Basic Half Call Toll Barge-In Toll Break-In Translation Buffer Invalidate All cordless portable part base identity code detect from CHM Time (19 Technischer Beirat fur Nationale und Internationale Koordination Translation Buffer Invalidate Single Terabits per Second Technik der Betriebslenkung (Technology for Operation Control) Time Base Lower Trouble Test Bed Manager Test Bus Master Transceiver Baseband Module Transport Bandwidth Manager Test Bed Manager Local Configuration Information Server Test Bed Manager Resource Manager Toolbar Notification Terminating Billing Option Total Benefit of Ownership Telemetry Byte-Oriented Serial Terabits Per Second Technical Basis for Regulation (ETSI) Timer, BCN Receive Transport Block Reject Terminal Balance Return Loss Test Balance Return Loss TBR-Requirements Table (ETSI) Terminating Basic Session To Be Specified Turner Broadcasting System Transparent Bridge/Source Route Gate Bridge Toolbar State Toolbar Style Timer, BCN Transmit Time Base Upper Transmit Baseband Unit Transaction Bus Transaction Bus T-Bus Access Technik Betrieb Vermittlungstechnik (VNK-OAM organization) Technischer Betrieb Vermittelnder Netzknoten (OAM Organization Tec

hnical Operation Switch) TC ISO country code for Turks and Caicos Islands TC Table Control TC Tandem Completing TC Tandem Connecting TC Tcl Compiler TC Technical Committee TC TeleCommand TC TeleCommunications TC Telematic Command TC Temperature Coefficient TC Temperature Compensation TC Terminal Capability TC Terminal Concentrator TC Terminal Congestion TC Terminal Controller TC Tertiary Center TC Test Call TC Test Case TC Test Code TC Test Connector TC Testcase TC Testing Complete TC Time-Consistent TC Toll Center TC Toll Completing TC Topology Change TC Touch Calling TC Traffic Channel TC Traffic Controller TC Transaction Capabilities TC Transcoder TC Transfer of Control of Call (TETRA) TC Transit Center TC Translation Control TC Transmission Control TC Transmission Convergence TC Transmission Convergence sublayer TC Transport Connection TC Treatment Controller TC Trunk Channel TC Trunk Code TC Trunk Concentrator TC Trunk Conditioning TC Trunk Control(ler) TC Turbo C TCA Terminal Call Appearance TCA Threshold Crossover Alert TCA Transfer Cluster Allowed message TCA Transfer Cluster Allowed signal TCAF Terminal Access Control Function TCAM Telecommunications Access Method (IBM) TCAP Transaction Capabilities Application Part (SS7) TCAP Transaction CAPability TCAPI Test Case Application Programming Interface TCAPNM TCAP Calling Name Delivery TCAR Test Case Attributes and Results TCAS T-Carrier istration System TCB Task Control Block TCB Technology Center Bodensee

TCB TCB TCB TCB TCBC TCBH tcbuild TCC TCC TCC TCC TCC TCC TCC TCC TCC TCC TCC TCC TCC TCC TCCAN TCCB TCCC TCCD TCCF TCCI TCCN TCCO TCD TCE TCE TCE TCE TCE TCE TCE TCF TCF TCF TCF Tcfp TCFP TCFP TCG TCG TCG TCGEN TCGN TCGN TCH TCH TCH TCH/D TCH/F TCH/F TCH/F2.4 TCH/F2.4 TCH/F4.8 TCH/F4.8

Test Case Block Transaction Control Block Transmission Control Block Trusted Computing Base Changeback Control Time Consistent Busy Hour Test Case Builder Target Cells and Connections Technical Committee Chairmen co-ordination (ETSI) Technology Control Center Telecommunications Coordinating Committee telemetry and telecommand Telephone Country Code Telephony Country Code Test Call Controller Test Case Convert Thomas Conrad Corp. Through-Connected Circuit Transmission Control Character Transmission Control Code Transmit Cell Count Telephone Credit Card Number Technical Coordination Consultative Board (CEC) Technical Committee on Computers and Communication Total Call Connection Delay Telephone Company of Central Florida TOPS CCI Telephone Credit Card Number Temperature Compensated Crystal Oscillator Technical Cooperation Department Telephone Company Engineered Terminal Control Element Thermal Coefficient of Expansion Transit Connection Element Transmission Control Element transmissions control element (SNA) Transportation Connection Element TEAM Communication Facility TEAM Communications Facility Training Check Frame Transparent Computing Facility cordless fixed part processing Time (18 ms max) Test Case First Time-Critical Floating-Point Teleport Communications Group Test Call Generator Time Code generator Test Case Generator Terminal Configuration Terminal Configuration Number Telematic Command Header Test CHannel Traffic Channel Traffic Channel-Data Full rate Traffic CHannel Traffic Channel/Full Rate Full rate TCH for <=2.4kbit/s data Traffic Channel/Full Rate (2.4 kbit/s) Full rate TCH for 4.8kbit/s data Traffic Channel/Full Rate (4.8 kbit/s)

TCH/F9.6 TCH/F9.6 TCH/FS TCH/FS TCH/H TCH/H TCH/H2.4 TCH/H2.4 TCH/H4.8 TCH/H4.8 TCH/HS TCH/HS TCH/S TCHT TCI TCI TCI TCI TCI TCI TCI TCI TCIB TCID TCID TCIF TCL TCL TCL TCL TCL TCL Tcl/Tk TCLAN TCLR TCLw TCM TCM TCM TCM TCM TCM TCM TCM TCM TCM TCM TCM TCM TCM TCM TCM TCM TCM TCMA TCMF TCN TCN TCN TCN1

Full rate TCH for 9.6kbit/s data Traffic Channel/Full Rate (9.6 kbit/s) Full rate Traffic CHannel for Speech Traffic Channel/Full Rate Speech Half rate Traffic CHannel Traffic Channel/Half Rate Half rate TCH for <=2.4kbit/s data Traffic Channel/Half Rate (2.4 kbit/s) Half rate TCH for 4.8kbit/S data Traffic Channel/Half Rate (4.8 kbit/s) Half rate Traffic CHannel for Speech Traffic Channel/Half Rate Speech Traffic Channel-Speech Terminating Charge Treatment Tele-Communications Inc. Tele-Communications, Inc. Test Case Interpreter Test Case Command Interpreter Test Case Interpreter Time Change Indicator Tool Command Interface Transceiver Control Interface Table of CIB Pointers Test Case Identifier Transport Connection Identifier Telecommunications Industry Forum Terminal Coupling Loss Test Case Coding Language Testcase Coding Language Toll Circuit Layout Tool Command Language Transverse Conversion Loss Tool Command Language/Toolkit Test Case Language Toll Circuit Layout Record Weighted Terminal Coupling Loss Tandem Connection Maintenance Tandem Connection Monitoring Telecommunications Manager Telematic Command Message Temperature Compensation Module Terminal to Computer Multiplexer Terminating Call Model Test Coordination Message Time Compression Multiplex Time Compression Multiplexed Time Compression Multiplexing Topology Configuration/Manipulation TOPS Connection Manager Transactor Communication Management Transactor Configuration Management Transit Connection Manager Traveling Class Mark Trellis-Coded Modulation Tunable-Channel Multi-Access Touch Calling Multifrequency Throughput Class Negotiation Timer Counter Travel Card Number Timer Counter 1

TCN2 TCNI TCNS TCNZ TCO TCO TCOC TCOC TCODE TCOEFF TCON TCOS TCOS T T T T T T T T T T T T/IP TA TB TCOM TH T-IP TS TCQ TCQAM TCR TCR TCR TCR TCR TCR TCR TCR TCR TCR TCR TCR TCR1 TCR2 TCRC T-CREF TCRF TCRS TCRTR TCRun TCS TCS TCS TCS TCS TCS TCS

Timer Counter 2 Translated Called Number Indicator Thomas-Conrad Network System Telecom Corporation of New Zealand Ltd. Terminating Central Office Total Cost of Ownership Changeover Control Terminating Central Office Code Testcase CODE Transform Coefficients Terminal Congestion message Telepoint Class Of Service Trunk Class of Service Tape Carrier Package Tape Carrier Packaging Telepoint Control Part Termination Connection Point Test Coordination Procedure(s) Transfer Cluster Prohibited message Transfer Cluster Prohibited signal Transmission Control Protocol Transmission Control Protocol (T/IP-DoD) Trigger Check Point Trigger Control Point Transmission Control Protocol/Internet Protocol Telephone Consumer Protection Act Testcase Call Processing Busy T/IP Communication Tool T Header Transmission Control Protocol- Internet Protocol STEAM Preprocessor Trellis-Coded Quantization Trellis-Coded Quadrature Amplitude Modulation Channel Reset Timer Tagged Cell Rate Temperature Coefficient of Resistor Test Command Response (IEEE 802.2/network loopback test) Test Conformance Report Time Counter Timer Capture Touch Calling Receiver Transfer Cluster Restricted message Transfer Cluster Restricted signal Transient Call Translation Control Timer Capture 1 Timer Capture 2 Controlled Rerouting Control Deutsche Telekom Connection Request Refuse message Transit Connection Related Function(s) Table Control Rule Set Technical Committee Reference Technical Report (ETSI) Test Case Run Tata Consultancy Services Telex Computer Service Terminal Contention Service Terminating Call Screening Total Communications System Transmission Connection Segment Transmission Convergence Sublayer

TCS TCS TCS TCSEC TCT TCT TCTR TC-TR TCTS TCTS TCU TCU TCU TCU TCU TCU TCU TCU TCU TCU TCVN TCX tcx TCXO tcxp TD TD TD TD TD TD TD TD TD TD TD TD TD TD TD TD TD TD TD TD TD TD2 TD3 TDA TDA TDA TDA TDAB TDAS TDB TDB TDB TDB TDB TDC

Transport Control Subsystem Travelling Current Source (LEMP) TRIBUNE Control Server Trusted Computer System Evaluation Criteria Toll Connecting Trunk Trunk Continuity Test Technical Committee Technical Report (ETSI) Technical Committee Technical Report Trans-Canada Telephone System Transport Conformance Test System Technical Center Unit Teletypewriter Control Unit Terminal Coax Unit Terminal Control Unit Testcase Coding Utility Traffic Service Group Control Unit Trans Coding Unit Transcoder Unit Transmission control unit (IBM) Trunk Coupling Unit Technical Committee on Information Technology Test Case Execution Transparently Compressed Executables Temperature Compensated Crystal Oscillator Test Case Execute Package ISO country code for Republic of Chad Table Data (HTML tag) Table Driven Tear Down Temporal-Difference Temporarily Disconnected Temporary Document Terminal Digit(s) Termination Dialog Test Desk Test Distributor Test Driver Testing Done Time Division Tone Detect Transmit Data Transmitted Data Transmitter/Distributor Transparent Data Tunnel Diode Turbo Debugger Timer TD2 Timer TD3 Telecoms Dealers Association Toll Dial Assistance Transdata Diagnostics Aids (Siemens) Tunnel Diode Amplifier Telecommunication Development Advisory Board Traffic Data istration System Task Database Telecommunications Development Bureau Temporal Database Ticketing Device Buffer Turbo Debugger Television (Signal) Down-Converter

TDC TDC TDC TDCS TDD TDD TDD TDD TDDP TDE TDED TDELAP TDELAY TDEV TDF TDF TDF TDG TDG TDHS TDI TDI TDI TDI TDI TDIL TDL TDL TDL TDL TDM TDM TDM TDM TDM TDM TDM TDM TDM TDMA TDMC TDMS TDMS TDMS TDMS TDMTT TDN TDN TDN TDO TDOA TDP TDP TDP TDP TDP-N TDP-R TD-PSK TDR TDR

Telex Destination Code Terrestrial Digital Circuit Transient Data Channel Traffic Data Collection System Table Distribution Daemon Telecommunications Device for the Deaf Time Division Duplex Time Division Duplexing 10-Digit Dialing Plan Time-Domain Equalization Trade Data Element Directory (UN) ISDN Layer 3 Timer TDELAY for PRI ISDN Layer 3 Timer TDELAY Time Deviation Test Data File Trap Definition File Trunk Distribution Frame Test Data Generator Transmit Data Gate Time-Domain Harmonic Scaling Trade Data Interchange (UN) Transit Delay Indication Transit Delay Unit Transport Device Interface Transport Driver Interface Test and Data Integration Layer Tau-Dither Loop TCAP Description Language Transition Detect Latch Tunnel Diode Logic Table Distribution Manager Thresholded Digital Measurement Time Division Multiplex time division multiplex Time Division Multiplexed Time Division Multiplexer Time Division Multiplexing Transceiver Demodulator Module Translation Description Manual Time Division Multiple Access time-division multiplex configuration Time Division Multiplex System Traffic Data Management System Transmission Distortion Measuring Set Transmission Distortion Measuring System Tandem Tie Trunk Toll Denial Toll Denied Toll Deny Toll Denied With Operator Time Difference of Arrival Tag Distribution Protocol Telocator Data Protocol Transmission Development Process Trigger Detection Point Trigger Detection Point- Notification Trigger Detection Point- Request Time-Differential Phase Shift Keyed Terminal Digit(s) Requested Time Domain Reflectometer

TDR TDR TDRS TDRSS TDS TDS TDS TDS TDS TDS1 TDS2 TDS3 TDSAI TDSI tDSPI TDT TDT TDTC TDTC TDU TDUI TDV TDW TE TE TE TE TE TE TE TE TE TE TE TE TE TE TE TE TE1 TE1 TE1 TE2 TE2 TE2 TEA TEAM TEAM TEAM TEB TEB TEC TEC TEC TEC TEC TEC TEC TEC TEC

Time Domain Reflectometry Time-Dependent Routing Traffic Data Reports Service Tracking and Data Relay Satellite System Tabular Data Stream Test-Case Definition System Traffic Data System Transit Delay Selection Transparent Data Service Timer 1 for ISDN Display Timer 2 for ISDN Display Timer 3 for ISDN Display Transit Delay Selection and Indication Transit Delay Selection and Indication Turbo DSP Island Target Designation Transmitter Transfer Data Test (D) Telrad Digital Trunk Controller Turkey Digital Trunk Controller Telesoftware Data Unit Test Driver Interface Toll Diversion Turbo Debugger for Windows Table Editor Terminal Terminal Eliminator Terminal Equipment Terminal Equipment (ETSI TC) Terminating Equipment Test Environment Available Test Equipment Thermoelectric Threshold Extension Transit Exchange Translation Enable Transmission Efficiency Transverse Electric Transverse Electric wave Trunk Expansion Terminal Equipment- Type 1 Terminal Equipment 1 Terminal Equipment type 1 Terminal Equipment- Type 2 Terminal Equipment 2 Terminal Equipment type 2 Test Escape Analysis Test Engineering, Analysis, and Management Test Execution, istration, and Management Text Execution and istration Management Tape Error Block Thread Environment Block Tape Emulation Controller Technical Education Center Technical Education Council Telephone Engineering Center Total Electron Content Training and Education Center Transceiver Echo Canceller (ISDN) Transversal Echo Canceller Turbo Echo Canceller

TECS TEd TED TED TEDC TEDD TEDIS TEDP TEF TEGFET TEHO TEI TEI TEI TEI TEI TEK TEL TelCo TelePATH TELEX TELEX TELMEX TELN TELNO TELPAL TELRIC TELSAM TelSIG TELV TEM TEM TEM TEM TEM TEMA TEMP TEMPEST TEMS TEN TEN TENT TEO TEP TEP TER TER TER TER1 TER2 TERI TERM TERM TERM_CAP TermFS TERMIDTYP TERML TermLM CAN TES

Thorn EMI Computer System Table Editor Threshold Extension Demodulator TriTeal Enterprise Desktop Test Environment Development Center Telecommunications Electronic Document Delivery Trade Electronic Data Interchange Systems Telecommunications Executive Development Program TMN External Function Two-dimensional Electron-Gas Field Effect Transistor Tail-End Hop-Off Terminal Endpoint Identifier Terminal Equipment Identifier Terminal Equipment Interface TETRA Equipment Entity Text Encoding Initiative Tektronix Telephone Telephone Company Telecommunications Provisioning And Translations Hub TELeprinter EXchange Teletypewriter Exchange Service Telefonos de Mexico Telnet Telephone Number Tel Aviv-Palo submarine cable Total Element Long Run Incremental Cost Telephone Service Attitude Measurement Telecommunications Special Interest Group Telecommunications Extra Low Voltage Transition Encoded Modulation Transmission Electron Microscopy Transverse Electric Mode Transverse Electro-Magnetic Transverse Electromagnetic wave Telecommunication Engineering and Manufacturing Association Temporary TEMPorary Emission and Spurious Transmission Transport Element Management System Trans-European Network Transit Exchange Node TE/NT Adaptor Terminating End Office Task group for Equipment Practice Terminal Emulation Processor (DDN-DoD) Timer Event Timer Expiry Response Timer, Error Report Timer Event 1 Timer Event 2 Terminal Interface Termination Terminator Terminal Capabilities Information Element Full Screen Terminal Terminal Identification Type Maximum Number of Terminals Line Mode Terminal Terminating Scanning Threshold Test Execution System

TES TES TES TES TESE TESS TESS TETRA TEUT TEV TEX TEX TEX Tf TF TF TF TF TF TF TF TF TF TF TFA TFA TFA TFA TFAN TFAS TFC TFC TFC TFC TFC TFC TFC TFCR TFDL TFE TFEL TFG TFH TFI TFI TFI TFIG TFM TFM TFMI TFMS TFO TFO TFOV TFP TFP TFR TFR TFR TFRC

Time Encoded Speech Toll Essential Toll Essential Service Transportable Earth Station Telefonische Seelsorge (Spiritual Welfare Calls, Helplines) Terminating Service Suspension Treatment The Exponential Security System Trans-European Trunked Radio Terminal Equipment Under Test Terminal Equipment Validation Tau Epsilon Chi Test Executive Transit Exchange cordless fixed part Handshake Period ISO country code for French Southern Territories Terminal Function Test Case First Test Finished Test Frame Thin Film Tie Facility Transmission Facility Trap Flag Trunk Frame Terminal Function Area TransFer Allowed Transfer Allowed message Transfer Allowed signal Traffic Analysis Transmit Frame Acquisition and Synchronization Test Functional Component Toll-Free Calling Traffic Traffic Flow Control Transfer Controlled message Transfer Controlled signal Transmission Fault Control Transmit Function Code Transmit FDL Tetra-Fluoro-Ethylene (Cable Insulation) Thin-Film Electro-Luminescence (Flat Displays) Technology Focus Group Terminal Facilities Identifies T-Bus Frame Interface Temporary Frame Identity Terminal Facility Identifier ETSI high level Task Force Implementation Group Transfer Message Transfer-Prohibited and Transfer-Allowed messages Traffic Mix Information Trunk and Facilities Maintenance System Terminating Fault Option Toll Fault Option Total Field Of View Transfer Prohibited message Transfer Prohibited signal Theoretical Final Route Transfer Restricted message Transfer Restricted signal Forced Rerouting Control

TFS TFS TFS TFS TFS TFS TFS TFS TFT TFT TFTP TFTP TFTS TFU TG TG TG TG TG TG TG TG TG TGA TGA TGC TGC TGC TGF TGGR TGID TGIF TGM TGMN TGMS TGMU TGN TGNT TGO TGO TGO TGS TGS TGS TGSR TGSR TGT TGTBR TH TH TH TH TH TH TH TH TH THA THAPI THB

Technical Framework Specification Text Formatting System Traffic Forecasting System Traffic Subsystem Translucent File System Transmit Frame Synchronization Trunk Forecasting System Turbo Profiler Statistics File Thin-Film Transistor Thin-Film Transistor (Matrix) (LCD Flat Displays) Television Facility Test Position Trivial File Transfer Protocol Terrestrial-Flight Telecommunications System Timing and Frequency Unit ISO country code for Togolese Republic (Togo) Tandem Completing Task Group TeleGram Tone Generator Transcoding Gain Translations Guide Transmission Group Trunk Group Targa Image File Traffic Generator Analog Tone Generator Circuit Transmission Group Control (SNA) Transmitter Gain Control Through Group Filter Translations Guide Generic Requirements Trunk Group Identification TCX Graphical Interface Trunk Group Multiplexer Trunk Group Member Number Third-Generation Mobile System Trunk Group Member Usage Trunk Group Number Tong Guang-Nortel Telecom Graphics Object Telecommunications Graphic Objects Test Group Objectives Ticket-Granting Server Ticket-Granting Service Transportable GSM Switch Terminal Group Station Restrictions Trunk Group Service Request Ticket-Granting Ticket Trunk Group Type By Rate ISO country code for Kingdom of Thailand Table Heading (HTML tag) Terminal Handler Test Head Testhead Threshold Time Hopping Transmission Header Transport Header Testhead Agent Threaded API Temperature-Humidity-Bias (IC-Testing)

THC THC THCL THD THD THD+N THDATA THDBH THF THG THI THIA THID THL Thlost THP THP THP thr THR THT THT THT THTP Thx THz TI TI TI TI TI TI TI TI TI TI TI TIA TIA TIA TIA TIAG TIB TIB TIC TIC TIC TIC TIC TIC TIC TIC TIC TICR TICS TICT TID TID TID TID

Terminating Half-Call Test Head Controller TestHead Communication Layer Attendant Console Through Dialing Total Harmonic Distortion Total Harmonic Distortion Plus Noise Test Head Data Ten High Day Busy Hour Tremendously High Frequency Test Head Group Test Head Interface TestHead Independent Access Throughput Class Indication of D-Channel Trans-Hybrid Loss Link Re-establish time (10 s) Terminal Handler Process Test Head Peripheral TestHead Proxy Thread Threshold Test Head Terminal Timer, Holding Token Token Holding Time(r) Test Head Test Position Thanks Teraherz Telecommunications Industry Terminal Interface Test Initiator Texas Instruments Time Time Interval Timer Identifier Timing Interval Timing/Timer Variation Transaction Identifier Trunk Interface Technical Information Agreement Telecommunications Industry Association (US) Thanks In Advance The Internet Adapter Telecommunications Industry Advisory Group Tag Information Base Technical Information Bulletin Table Integrity Checker Tandem InterLATA Connecting Target Instruction Cache Telecom IC Token Interface Coupler Token ring Interface Coupler (IBM) Trace Interrupt Control(ler) Transport Interconnection Charge Transport Interface Card TPU Interrupt Configuration TOPS InterLATA Carrier Service Tandem InterLATA Connection Trunk Target Identification Target Identifier Task ID Technical Information Document

TID TID TID TID TID TID TID/SID TIDE TIDF TIDR TIDU TIE TIE TIE TIE2WAY TIES TIES TIETIN TIETOUT TIF TIF TIF TIF TIFF TIFF TIFN TIFO TIG TIG TIG TIG TIGA TIH TII TIIAP

Telefonica Investigacion y Desarrollo Terminal Identification Terminal Identifier Time Interval Difference Transaction Identifier Type ID Target Identifier/Source Identifier Traffic Information Distributor and Editor Trunk Intermediate Distribution Frame Transfer Identity Result Transport Interface Data Unit Telecommunications (International Edition) (periodical) Terminal Interface Equipment Time Interval Error Tie Trunk 2-Way Traffic Telecom Information Exchange Server Telecommunication Information Exchange Services Tie Trunk Inward Traffic Tie Trunk Outward Traffic Tagged Image Format File Telephone Influence Factor Terminal Interface Text Interchange Format Tag Image File Format Tagged Image File Format Telephony Interface Node Text Interchange Format Telecommunications Industry Group Telegram Identification Group TMOS IntraWeb Gateway Topology Information Group Texas Instruments Graphics Architecture Terminal Information Handler Technology Independent Interface Telecommunications and Information Infrastructure Assistance Progr

am TILS TIM TIM TIM TIM TIM TIM TIM TIM TIM TIM TIM TIMPC TIMS TIMS TIMS TIMS TIN TIN TiN TIN TINA TINA-C TINF

Technology and Information, Learning Solutions T1 Interface Module Telecommunications Industry Markup Telepoint Subscriber Identification Module Terrestrial Interface Module Test Information Management Timestamp TNM Integration Module Traffic Indication Map Transaction Information Manager Transient Intermodulation Transmitter Intermodulation T1 Interface Module Paddle Card Test Information Management System Transmission Impairment Measurement System (Telecom.) Transmission Impairment Measuring Set Transmission Impairment Measuring System Telekom Information Network Test Information Titanium Nitride Triangulated Irregular Network Telecommunications Information Networking Architecture Telecommunciations Information Networking Architecture Consortium Terminating NPA-NXX Information

TINR TINSP TINT TIO TIOC TIP TIP TIP TIP TIR TIR TIREM TIRKS TIROS TIRR TIS TIS TIS TIS TIS TISI T-ISUP TITO TIU TIU TIU TIU TIVR TJ TJ TJA TJF TK Tk TK TK TKB TKCS TKCV TKO TL TL TL TL TL TL TL TL TL TL TL TL TL1 TL1 TL-1 TLA TLAC TLAN TLB TLB

Transfer Initiate Result Timer T-INSPECT Test Integration Team Test I/O Technology Integration and Operations Center Terminal Interface Processor terminal interface processor (ARPANET) Transaction Internet Protocol Transition in Progress Terminal Imaging Radar (US Military Avionics) Total Internal Reflexion Terrain Integrated Rough Earth Model Trunks Integrated Record Keeping System Television and InfraRed Operational Satellite True Intermediate Reroute Technical Information Session Technical Information Sheets (UK) Terminating International Switch Traffic Information Service Trusted Information Systems Inc. Thai Industrial Standards Institute Deutsche Telekom ISUP Talk-In/Talk-Out Telemetry Interface Unit Terrestrial Interface Unit Trunk Interface Unit Trusted Interface Unit Transfer Invoke Result ISO country code for Tajikistan Terminating Junctor Telecommunications Journal of Australia (periodical) Test Jack Frame ISO country code for Tokelau Tcl-based Toolkit Token Trunk Task Builder Terminating Key Code Screening Trunk Conversion Trunk Offer Technische Lieferbedingungen (Technical Conditions of Supply) Telecom Layer Telecommunication Laboratories Telephony Layer Test Line(s) Tie Line Transit Link Transmission Level Transmission Link Transmit Leader Transport Layer (OSI) Wake-Up Tone from LT Test Language 1 Transaction Language 1 Transaction Language 1 Three Letter Acronym Link Availability Control Test Language Terminal Linkage Block Translation Lookaside Buffer

TLB TLBS TLC TLC TLC TLD TLD TLD TLD TLDN TLDP TLE TLF TLFF TLFF/CC TLG TLGC TLI TLI TLI TLK TLL TLLI TLM TLM TLn TLNS TLP TLP TLP TLP TLP TLPU TLR TLR TLS TLS TLS TLT TLT TLTC TLTC TLTP TLU TLV TLV TLWE TLWS TLX TM TM TM TM TM TM TM TM TM TM TM

Type Library Terminal Linkage Block Structure Telecommunication The Learning Channel Trunk Logic Circuit Telephone Line Doubler Top Level Design Top Level Domain Transactor Level Design Temporary Local Directory Number Technology Leadership Development Program Terminal Local Exchange Trunk Link Frame Technical Level Feeders Forum Technical Level Feeders Forum Conformance and Certification Technical Liaison Group (EWOS) Turkey Line Group Controller Transmission Link Interface Transport Layer Interface (UNIX) Transport Level Interface Talk(ing) Transmit Loop Loss Temporary Logical Link Identity Team Lab Manager Trouble Locating Manual Teilnehmer (Subscriber) Terminating Line Number Screening TDOA Location Processor Terminating Line Privileges Transmission Level Point Trouble Locating Procedure Trouble Locating Process Telecommunications Line Protector Unit Terminal Location Toll Line Release Terminating Line Select(ion) Thread Local Storage Transport Layer Security Technological Lead Time Test Line Test Telrad Line Trunk Controller Turkey Line/Trunk Controller Trunk Line Test Terminating Line Unit Type, Length, and Value Type-Length-Value Transmit Lower Window Edge Trunk and Line Work Station Telex (Registred) Trade Mark ISO country code for Turkmenistan Tape Mark Tapemark Team Manager Technical Manual Technical Memorandum Telemetry Terminal Mobility Terminal Multiplexer Terminating Marker

TM TM TM TM TM TM TM TM TM TM TM TM TM TM TM TM TM TM TM TM2 TM20 TM4 TM8 TMA TMA TMA T-MAFR TMAP TMART TMAS TMB TMB TMC TMC TMC TMC TMC TMCU TMDB TMDF TM-DS0A TME TME TME TME TME TMF TMF TMF TMG TMI TMI TMI TMIS TML TML TML TML TML TMLA

Test Mode Time Modulation Trade Mark Trademark Traffic Management Traffic Manager Transaction Manager Transaction Module Transactor Design Model Transfer Mode Transition Module Transmission and Multiplexing Transmission and Multiplexing (ETSI TC) transmission header (SNA) TransMission sublayer Transparent Mode Transverse Magnetic Transverse Magnetic wave Trunk Module Trunk Module, 2-Wire ISDN Layer 2 Timer TM20 Trunk Module, 4-Wire Trunk Module, 8-Wire Telecommunications Managers Association (UK) Traffic Management Agent Trunk Module Austria Timing Modified Anarchy Flood Routing (protocol) Telephony Mapper Transfer Master Record Tape Transport Maintenance and istration System Terminal Make-Busy Trunk Module Broadband Telecom Microelectronics Centre The Movie Channel Thinking Machines Corporation Timeslot Management Channel Transmission Maintenance Center TMS Control Unit Terminal Mobility Database Trunk Main Distributing Frame DS0-A Transition Module Telocator Message Entry Protocol Terminal Management Environment Test Manufacturing Engineering Tivoli Management Environment Trunk Module Equipment Telecommunications Modeling Framework Tivoli Management Framework Trunk Maintenance Files Transit Message Telephone Multimedia Interface TETRA Management Entity Trunk Monitoring Identifier Telemanagement Information System (Telwatch) Tandem Matching Loss Telecommunications Modeling Language Terminating Matching Loss Thermal Multilayering Transaction Management Layer Trademark License Agreement

TMM TMM TMN TMO TM-OC3c TMOS TMOS TMP TMP TMP TMP TMP TM-PDU TMP-IL TM-PSE TMR TMR TMR TMR TMR TMR TMR TMR1 TMR2 TMRP TMRS TMS TMS TMS TMS TMS TMS TMS TMS TMS TMS TMSI TMSI TMSI TMSU TMT TMT TMTC TMTP TMU TMU TMU TMUX TMux TMW TN TN TN TN TN TN TN TN TN TN

Terminal Mobility Manager Transmission Monitoring Machine Telecommunications Management Network Thermo Magnetic Optical disk OC-3c Transition Module Telecommunications Management and Operations Telecommunications Management Operations System Temporary Terminal Monitor Program Test Management Protocol Theoretical Midpoint Transmission Maintenance Point Test Management PDU Transmission Maintenance Point- International Line Power/SCSI/Ethernet Transition Module Timer Mode Timer Utility Total Measured Rate Transmission Medium Requirement(s) TransMitteR Triple Modular Redundancy Triple Modular Redundant Timer Mode 1 Timer Mode 2 Transmission Medium Requirement Prime Traffic Measuring and Recording System Telecommunications Management System Telecommunications Message Switch Test Management System Text Messaging System Time Management System Time-Multiplexed Switch Time-Multiplexed Switching Timing Monitoring System TOPS Message Switch Transmission Measuring Set Temporary Mobile Station Identity Temporary Mobile Subscriber Identifier Temporary Mobile Subscriber Identity TMS Unit Traffic Management Treatment Utility TeleMetry and TeleCommand Tree-Based Multicast Transport Protocol Transceiver Microwave Unit Transmission Medium Used Transmission Message Unit Trans-MUltipleXer Transport Multiplexing Protocol TeleManagement World ISO country code for Republic of Tunisia Telecommunications Network Telenetworks Telephone Number Terminal Number Timeslot Number Tone Transaction Number Transit Network Transport Network

TN TN TN TN TN TN/NPI TNA TNA TNAE TNAME TNAS TNAT TNB TNC TNC TNC TNDS TNDS/TK TNE TNEF TNFE TNI TNI TNI TNIC TNIR TNL TNM TNM TNM TNMP TNMS TNN TNN TNN TNO TNOP TNOS TNP TNPB TNPP TNPP TNS TNS TNS TNS TNS TNS TNS TNS/I TNSTAAFL TNT TNT TNV TNX TO TO TO TO TO

Trunk Number Twisted Nematic (LCD) Type of Number U.S. postal code for Tennessee Wake-Up Tone from NT Type of Number and Numbering Plan Indicator Telematic Networks Between istrations Telex Network Adapter Telecommunications (North American Edition) (periodical) Timer T-Name Telecommunications Network Application System (Unisys) Terminating No Answer Timer Third Number Billing Transit Network Capability Transit Node Clock Transport Network Control Total Network Data System Total Network Data System/Trunking The Nortel Edge Transport Neutral Encapsulation Format Twisted Nematic Field Effect Telecommunications Network Interface Trunk Number Identification Trusted Network Interpretation Transit Network Identification Code TransportNode Information Repository Terminal Net Loss Total Network Management System Traffic Network Management Trunk Network Model Telecommunications NM Program (DEC) Transport Node Management Systems The Nashville Network Transport Network Node Trunk Network Number Text Number (number of selected text) Total Network Operations Plan Telephone Network Operating System Toll Network Protection TransportNode Program Book Telecator Numeric Paging Protocol Telocator Network Paging Protocol Target Network Structure Total Network Solutions Total Network Surveillance Transaction Network Service Transit Network Selection Transit Network Selector Trusted Network Systems Transit Network Selection/Identification There's no such thing as a free lunch Timer, No Token Turner Network Television Telecommunication Network Voltage Thanks ISO country code for Kingdom of Tonga Tandem Office Tandem Originating Technical Order Telecommunications Operator

TO TO TO TO TO TO TO TO TOA TOA TOA TOA TOA/NPI TOC TOC TOC TOC TOC TOCA TOCC TOCC TOCC TOD TOD TOD TODM TODR TOF TOF TOF TOF TOF TOFC TOH TOH TOHP TollBP TOLLRST TOLR TOLR TOLR ToME TON TON TONESYN TONICS TONICS TOP TOP TOP TOP TOP TOP TOPAS

Test Object Time Out Timeout Toll Office Tone Only Traffic Office Traffic Order Transistor Outline (Package) Table of Authorities Threshold of Audibility Time Of Arrival Type Of Address Type of Address/Numbering Plan Identifier Table of Contents Telepoint Operator Code Television Operating Center Television Operating Centre Trunk Operations Center Timing Output Card Technical and Operational Control Center Technical and Operational Coordination Center Transponder Operations Control Centre (INTELSAT) Task Oriented Documentation Time Of Day Time Of Delivery Telecommunications Object Data Management Time-of-Day Routing Time Out Factor Top Of File Top Of Form Total Operation Failure transfer overhead factor Terminating Office Traffic Overhead Transport Overhead Transmit Overhead Processor Toll By Toll Restriction Toll Restricted Transmit Objective Loudness Rating Transmitting Objective Loudness Rating Topology Management Environment Type of Number Type Of Number Tone Synthesizer Telephone Operations Network Integrated Control System TelOps Network Integrated Control System Table Of Pages Task Oriented Practice Task Oriented Procedure Technical and Office Protocol Technical/Office Protocol Transaction-Oriented Protocol Testing Operations Provisioning and istration System (CSC-ATT

TOPAS TOPAS-ES t System TOPMS TOPO

Testing, Operations, Provisioning and istration System Testing, Operations, Provisioning and istration System- Exper

)

Telemarketing Operations Performance Management System Topology

TOPP Task-Oriented Plant Practice TOPS Technical and Office Products System TOPS Traffic Operator Position System TOPS MP Traffic Operator Position System Multipurpose TOPS MPX Traffic Operator Position System Multipurpose Extended TOPS MPX-IWS Traffic Operator Position System Multipurpose Extended-Intellige nt Workstation System TOPSMP Traffic Operator Position System Multipurpose TOR Telegraph On Radio TOR Teleprinting Over Radio TOR Terminal-Owning Region ToR of Reference (ETSI) TOR Type of Routing TORC Traffic Overflow Reroute Control TorMAC Toronto Multimedia Application Center TORTOS Terminal Oriented Real Time Operating System TOS Taken Out of Service TOS Tape Operated System TOS Tape Operating System TOS Temporarily Out of Service TOS Testing Operation System TOS Testing Operations Systems TOS Top Of Stack TOS Trunk Out of Service TOS Type of Service TOS Type Of Subaddress TOSC Trunk Operations Center TOSD Telephone Operations and Standards Division TOT Time Of Transmission TOT Transfer of Technology TOT Transfer Overhead Time Tp cordless portable part handshake period TP DDOC Section: System Testplan TP ISO country code for East Timor TP Telekomunikacja Polska (PL) TP Tele-Processing TP Terminal Portability TP Terminal Profile TP Terminating Party TP Termination Point TP Test Pattern TP Test Plan TP Test Plan Defined TP Test Point TP Test Position TP Test Purpose(s) TP Testing Point TP Toll Plant TP Toll Point TP Toll Prefix TP Transaction Processing TP Transaction Processing Service TP Transaction Processor TP Transaction Program TP Transport TP Transport Packet TP Transport Plane TP Transport Protocol TP Twisted Pair TP 0 Transport Protocol Class 0

TP 1 TP 2 TP 3 TP 4 TP0 TP1 TP2 TP3 TP4 TPA TPA TPA TPAD TPAD TPAG TPASE TPC TPC TPC TPC TPC TPC TPC TPC TPCC TPI TPD TPD TPD TPDU TPE TPE TPE TPF TPF TPF TPF2 TPI TPI TPI TPI TPI TPI TPI TPL TPL TPL TPM TPM TPM TPM TPM TPM TPNS TPON tPoP TPOW TPP TPP TPPM

Transport Protocol Class 1 Transport Protocol Class 2 Transport Protocol Class 3 Transport Protocol Class 4 Transport Protocol Class 0 Transport Protocol Class 1 Transport Protocol Class 2 Transport Protocol Class 3 Transport Protocol Class 4 Telephone Pioneers of America Transfer Prohibited Acknowledgement Trunk-Port Adapter Terminal Packet Assembler/Disassembler Transparent Packet Assembly/Disassembly Terminal Paging Transaction Processing Application Service Element Telecommunications Product Code Timing Processor Card TOPS Position Controller Transaction Processing Council Transaction Processing Performance Council Translation Point Code Trans-Pacific Cable Twisted-Pair Cable Third-Party Call Control Transaction Portion Component Portion Interface Total Power Dissipation Trailing Packet Discard Transparent Processable Data Transport Protocol Data Unit Test Program Edit Transmission Path Endpoint Trigger Processing Environment Time Prism Filter Transaction Processing Facility Transmission Priority Field Transaction Processing Full Stack 2 Talking Party Identification Test Point Information The Perl Institute Threads Per Inch Tracks Per Inch Transmission Performance Index Transport Provider Interface Terminal Per Line Terminal Processing Level Transaction Packet Length Timing and Processor Module Transaction Processing Monitor Transactions Per Minute Transceiver Processing Module Transit Parameter(s) Twisted Pair Modem Teleprocessing Network Simulator (IBM) Telephony over ive Optical Network Traditional Point of Presence Timer T-Power Mag Tape Preparation Program Telephony Preprocessor Transaction Processing Protocol Machine

TP-PMD TPR TPR TPRN TPROG TPS TPS TPS tps TPS TPS TPSA TPSI TPSP TPSU TPSUI TPT TPT TPT TPTD TPU TPU TPU TPU TPUI TPUN TQC TQF TQFP TQM TQP TQU TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR Tr TR TR TR T-R TR/TSB

Twisted Pair Physical Medium Dependent Teleprinter Transmission Process Repository Terminating Private Number Timer TPROG Terminal Per Station Three Party Service Transaction Processing System Transactions Per Second Transfer Position Seizure Transmission Parameter Signaling Telekomunikacja Polska Temporary Portable Subscriber Identity Transaction Processing Service Provider Transaction Processing Service Transaction Processing Service Invocation Terminal Processing Task Test Progress Tone Transmission Path Termination Total data Packet network Transfer Delay Time Processing Unit Time Processor Unit Transceiver Processing Unit Turbo Pascal Unit Temporary Portable Identity Terminating Public Number Total Quality Control Trunk Query Failure Signal Thin Quad Flat Pack Total Quality Management Timer, Queue PDU Trunk Query Signal ISO country code for Republic of Turkey Table Row (HTML tag) Task Technical Reference Technical Report Technical Report (ETR/TC-TR/TCR-TR in ETSI) Technical Requirement(s) Technische Richtlinien (Technical Guideline) telcom report (periodical) Temporal Reference Terminal Ready Terminating Resistor Test Cases Ready Test Time Reference Token-Ring Toll Restriction Tone Receiver Traffic Route Transfer Restriction Transit Exchange Transmit/Receive Transponder Trouble Report Trunk Reservation Tuning Range Transmitter-to-Receiver optical power Technical Report/Technical Service Bulletin

TRA Call Transfer TRA Telecommunications Reform Act TRA Telecommunications Research Associates TRA Token-Ring Adapter TRA Traffic Restart Allowed message TRA Traffic Routing istration TRA Transfer-Restart-Allowed signal TRAC Technical Recommendations Application Committee (now NTRAC) TRACES Tracking Reporting Accessing Captive Engineering Services TRADACOMS Trading Data Communications TRAF Traffic TRAF Traffic Data TRAGG Transport Reliability Analysis Generic Guidelines TRAN Transient TRANS Transaction TRANSCAN Canary Islands submarine cable TRANSPAC1 Hawaii-Japan-Philippines 1 submarine cable TRANSPAC2 Hawaii-Japan-Philippines 2 submarine cable TRANSPAC3 Hawaii-Japan-Philippines 3 submarine cable TRAP Software Trap Trate Code word transmit rate time (50/100 ms) TRAU Transcoder/Rate Adaptor Unit TRAVER Translations Verification TRAVIS Traffic Retrieval Analysis Validation and Information System TRB Trouble TRBL Trouble TRC Technical Review Committee (MAP/TOP) TRC Terminating Call Trace TRC Terminating Restriction Code TRC Traffic Restriction Categories TRC Transfer Recent Change TRCC T-Carrier Restoration Control Center TRCC Total Received Cell Count TRCC Turkey Remote Cluster Controller TRCL Timed Recall TRD Load Transferred TRD Telepoint Registration Data TRD Terminal Registration Data TRD Timed Release Disconnect TRD Transferred TRD Transit Routing Domain TRDPC Toll Restriction/Diversion Prohibited Codes TRDZMS Toll Restriction/Diversion Zero Minus Screening TREAT Trouble Report Evaluation and Analysis Tool TREM Timed Reminder TRES Table Resource Execution System TRES Transmit/Receive Earth Station TRF Call Transfer TRF Traffic Data Collected TRF Tuned Radio Frequency TRF Tuned RadioFrequency (Receiver) TRFACA Traffic Data- ACA TRFLN Traffic Data- LUTS/NUTS TRG Tip/Ring to Ground TRI telcom report International (periodical) TRI Transit Routing Information TRIAC TRIode Alternating-Current switch TRIB Transfer Rate of Information Bits TRIBUNE Testing, Ratification and Interoperability of the Broadband /N etwork Interface

TRID TRIF TRIG TRIGACT TRIGCNT TRIGTYP TRIL TRIMOS TRINIT TRIO TRIP TRIP-92 TRK TRK TRL TRL TRL TRLR TRM TRM TRM TRM TRM TRM TRM TRM TRMB TRMF TRMP TRMS TRMS TRMS TRMT TRMT TRMT TRMT trn TRN TRN TRN TRO TRO TROFF TROHP TRON TRON TROS TRP TRP TRP TRP TRP TRPB TRPF TRPO TRR TRR TRR1 TRR2 TRS

Transaction ID Technical Requirements Industry Forum Trigger Trigger Activation Indicator Trigger Processing Control Trigger Type Token Ring Interoperability Lab CMOS-TRIode Alternating-Current switch TR-303 Interoperability National Implementation Team Telecommunications Research Institute of Ontario Transcontinental ISDN Project Transcontinental ISDN Project 1992 Trunk Trunk Maintenance Technical Reference Library Transistor-Resistor Logic Trunk Link Trailer TEAM Resource Management TEAM Resource Manager Terminal Settings file Transcoder Resource Module Transfer Rate Multiplier Transfer Restart Message Transport Protocol for Reliable Multicast Transport Resource Manager Terminated-Both Terminated-From TEAM Resource Management Proxy Time Division Multiple Access Reference and Monitoring Station Transactional Record Management System True Root-Mean Squared Terminated-To Transmit Treatment Treatment Team Threaded Read News TRaNsaction Transaction Reference Number TRaNsparent Terminating Only Total Return on Ownership Typeset RunOFF Transmit/Receive Overhead Processor The Realtime Operating System Nucleus The Realtime Operating-system Nucleus (Japanese Operating System) Tape Read Only Storage TEAM Resource Preference Technology Reinvestment Project Terminal Resource Profile Transaction Portion Transport Reference Point Truncated Reverse Path Broadcast Transmit/Receive Parity Failure Terminal Resource Profile Observer Timer Reference Timer, Return to Repeat Timer Reference 1 Timer Reference 2 Telecommunications Relay Service

TRS TRS TRS TRS TRS TRS TRS TRS-D TRSF TRSP TRT TRT TRU TRU TRU TRUMP TRUST TRW TRW TRX TRX TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS TS T-S TS0 TS16 TS16 TS3T TSA TSA TSA

Telecommunications Relay System Telephone Relay Service Toll Recording System Toll Restricted Service Transceiver Receiver Splitter Translations and Routing Services Transmission Repeater Station Toll Recording System-Digital Terminal Resource Finder Terminal Root Service Proxy Timing and Reference Transponder Token Rotation Timer TOPS Recording Unit Transceiver Radio Unit Transmit/Receive Unit Trunk Maintenance Package Translations, Routing, and Utility Services Team Traffic Restart Waiting message Transfer Restart Waiting message Transceiver Transmitter Receiver Tandem Supplement Tandem Switch Task Switched Technical Specification Telecommunication Sector (ITU-TS) Telekom Service Teleservice Terminal Server Terminating Service Termination System Test Test In Progress Test Strategy Test Strategy Defined Test Suite Testing Started Time Slot Time Stamp Time Switch Time-Sharing Timeswitch Toll Switching Traffic Shaping Transfer Syntax (OSI-PL) Transit Switch Transmission Speed Transmission Subsystem Transport Service Transport Station Transport Stream Two Stage Time-Space Time Slot 0 Time Slot 16 Time slot 16 Time-Space-Space-Space-Time Link Test Acknowledgement message Target Service Agent Time Slot Allocation

TSA TSA TSA TSA TSA TSAC TSAC TSACC TSAG TSAG TSAM TSAP TSAPI TSAS TSAU TSB TSB TSB TSB TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC/RTU TSCF TSCF TS TSCR TSCU TSD TSD TSD TSD TSD TSDI TSDI TSDU TSE TSE TSE TSE TSE TSE TSE TSEL TSF TSF TSF TSFC TSG TSG

Time Slot Assignment Time-Slot Address Transition Service Agent Translations & Switch istration Translations Switching istration Time Slot Assigner Circuit Time Slot Assignment Circuit Telecommunications Standards Advisory Council of Canada Telecommunication Standardization Advisory Group Telecommunications Standards Advisory Group Traffic Sampling Transport Service Access Point Telephony Services Application Programming Interface Time Slot Assignment Scheme Time Slot Access Unit Technical Service Bulletin Telecommunications Standardization Bureau Telecommunications Systems Bulletin Twin Sideband Technical Service Center Technical Standards Committee Technical Subcommittee Telecommunication Services License Telecommunications Service Customization Temporary Signaling Connection Test System Controller Three-State Control, Training Sequence Code Transit Subnetwork Count Transit Switching Center Transmission Service Capability Trunk System Controller Test System Controller/Remote Test Unit Target System Control Facility (NetView) TSC Fallback TSC Preferred Terminating Central Office Screening TSC Used Test Specification Development Thread-Specific Data Toll Service Desk Total System Down Type Specific Driver Transceiver Speech & Data Interface Transceiver Speech and Data Interface Transport Service Data Unit Technical Engineer Tentative Symbol Estimation Tentative Symbol Estimator Terminal Server Edition Thermal Stress Equivalent Time Slot Exchanger Toronto Stock Exchange Transport Selector Terminal Simulation Facility Through Supergroup Filter Timing Synchronization Function Signaling Traffic Flow Control Telephone Security Group Test Signal Generator

TSG TSG TSG TSG TSGF TSGR TSGR TSH TSI TSI TSI TSI TSI TSIC TSISS TSIU TSL TSL TSL TSL TSLRIC TSM TSM TSM TSM TSM TSM TSM TSM TSMAP TSMP TSMP TSMS TSN TSN TSNS TSO TSO TSO TSO TSO TSO NFAS TSOP TSP TSP TSP TSP TSP TSP TSP TSPDNCT TSPI TSPI TSPID TSPP TSPS TSR TSR TSR TSR

Timeslot Generator Timing Signal Generator Timing Source Generator Traffic Service Group Through SuperGroup Filter Terminal Group and Station Restriction Transport Systems Generic Requirements ToolBuilder Library and Shell Terminal State Indicator Time Slot Interchange Transmission Subsystem Interface Transmitting Subscriber Identification Transport Service Interpreter (DDN) Time Slot Interchange Circuit Time-Slot Interchange Service Supervisor Time Slot Interchange Unit Target System Libraries Total Service Life Transaction Sublayer Type-Safe Linkage Total Service Long Run Incremental Cost Tabulation Stop Mode Telephony Signalling Module Terminal State Map Terminating State Machine Timer, Standby Monitor TNM Surveillance Module Transaction State Machine Transport Services Management Timeslot Map True Symmetric MultiProcessing Truly Symmetrical Multi Processor (Wyse Technology) Traffic Separations Measurement System Test Session Number TOPS Services Node Telecom Service Network (IBM-mng) Telecommunications Service Order Telephone Service Observations Terminating Screening Office Time Sharing Option (IBM) Total Store Ordering Time slot O without Frame Alignment Signal Thin Small Outline Package Tandem Switching Provider Telephony Services Provider Terminal Service Profile Ticketing Scan Point Traffic Service Position Translation Signalling Point Traveling Salesman Problem Terminal Service Profile/Directory Number/Call Type TAPI Service Provider Interface Telephony Service Provider Programming Interface Terminal Service Profile ID Twin-Switch Power Pack Traffic Service Position System Tag Switch Router Tag Switching Router Terminate and Stay Resident The Smalltalk Report (periodical)

TSR TSR TSRC TSRM TSRM TSRMF TSS TSS TSS TSS TSS TSS TSS TSS TSS TSS TSS TSS TSS TSS TSS TSS&TP TSS&TP TSS-C TSSI TSSL TSSST TST TST TST TST T-S-T TSTA TSTD TSTF TSTN TSTP TSTP TSTRES TSTRESAM TSTS TSTSIG TSU TSU TSU TSV TSW TSW TSY TSYNC TT TT TT TT TT TT TT TT TT TT

Theoretical Simple Recompile Transport Service Request (DDN) Signaling Routing Control Telecommunications Standards Reference Manual Telecommunications Standards Reference Model (CEC DG XIII) Test Storage, Retrieval and Management Facilities Task State Segment Team Security System Technical Services Symposium Technical Standards Sector Technology Service Solutions Telecommunication Standardization Sector (ITU) Test Suite Structure Text Search System Thin Space Specification Time Space Switch Time-Shared System Time-Sharing System Toll Signal-Supervisory Toll Switching System Trunk Servicing System Test Suite Structure & Test Purposes Test Suite Structure and Test Purposes Transmission Surveillance System-Cable Time Slot Sequence Integrity Tyco Submarine Systems, Ltd. Time-Space-Space-Space-Time Link Test message Test Time Slot Transfer Time-Space-Time Time-Space-Time Transmission Signaling and Test Access Traffic Standard Test Failure Triple Supertwisted Nematic Timestamp Transaction Switching and Transport Protocol Test Restrictions Test Restrictions for Analog Member of EKTS Transaction Switching and Transport Service Test Signal Telephone Signal Unit Test Signal Unit Traffic Switching Unit Test Standby VFL Terminal State Word Time Switch Technology Systems T-Interface Synchronization Fixed-Width Teletypewriter Font (HTML tag) ISO country code for Republic of Trinidad and Tobago Talking Trunk Tamper-Proof Torx Teletypewriter Terminal Temporarily Transferred Terminal Timing Terminating Time Test Tone Test Trunk

TT TT TT TT TT TT TT TT TT TT TT TT&C TT/N TT0 TT1 TTA TTA TTA TTB TTB TTB TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC&M TTC2M TTCAM TTCN TTCN.GR TTCN.MP TTCN-GR TTCN-MP TTCN-MP TT TTD TTD TTD TTE TTE TTE TTF TTF TTF TTF TTFN TTG TTG TTI TTIB TTIET TTL TTL

Text Telephone Text Transfer Tie Trunk Toll Tandem Touch-Tone Traffic Tester Translation Type Trouble Ticket TrueType Trunk Type Truth Table Telemetry, Tracking & Command Test Tone to Noise Ratio Transparent Translation 0 Transparent Translation 1 Telecommunication Technology Association Traffic Trunk istration Transport-Triggered Architecture Temporary Trunk Blocking Toll Testboard Trunk Test Buffer TDMA Traffic Channel Telecommunication Technology Committee (JAP) Telecommunications Technical Council Telecommunications Techniques Corporation Telemetry, Tracking and Command Teletypewriter Center Terminal Test and Configuration Terminating Tandem Center Terminating Toll Center Touch Tone Calling Trunk Test Center Telemetry, Telecommand, Control & Monitoring TTC 2 Mbps Touch Tone Calling for Analog Member of EKTS Tree and Tabular Combined Notation TTCN Graphical Form TTCN Machine-Processable Form TTCN Graphical Form Tree and Tabular Combined Notation Machine Processable TTCN Machine-Processable Form Transmitting Typewriter with tape Punch Target Transit Delay Temporary Text Delay (BSC) Toll Test Desk Terminal Transmission Equipment Transmission Test Equipment Triple Transit Echo (Surface Acoustic Wave Filters) Test Tool Framework Transmission Test Facility Transmission Test Function TrueType Font Ta-Ta for now Telephony Traffic Generator Two Separate Trunk Groups Text-To-Image Transparent Tone In-Band Timer for DP and DTMF Tie Trunk Facilities Time-to-Live Transistor-Transistor Logic

TTLP TTM TTM TTN TTN TTO TTO TTP TTP TTP TTP TTPB TTR TTR TTRT TTS TTS TTS TTS TTS TTS TTS TTS TTS TTT TTTN TTTR TTU TTU TTU TTV TTX TTX TTXAU TTXT TTY TTY TTY TTYL TTYL TTYS TU TU TU TU TU TU TU TU TU TU TU-11 TU-12 TU-2 TU-3 TUA TUBA TUC TUCD TUD

Transmit Transmission Level Point Transceiver Timing Module Transfer Termination Mode Target Transport Network Tie Trunk Network Telecommunications-related TurnOver (annual) Traffic Trunk Order Trail Termination Point Trunk Test Trunk Test Position Trusted Third Party Trunk Test Buffer Time To Repair Transparent Translation Target Token Rotation Time TeleType Setter Teletypesetter Tele-Type-Setting Text-To-Speech Toll Transit Switch Traditional Telephone Service Transaction Tracking System Trouble Ticket Subsystem Trunk Transit Subnetwork Transmission Test Trunk Tandem Tie Trunk Network Tandem Tie Trunk Route Telephone Terminal Unit Transmission Test Unit Trunk Test Unit Text-To-Video Teletex TeleX TeleX Access Unit (MHS/X.400) Transparent TeXT Teletype Teletypewriter Text Telephone Talk To You Later Type To You Later Teletypesetters Tape Unit Technische Unterlage (Technical Document) (Technical Paper) Terminal Unit Timing Unit Tone Utility Traffic Unit Transmission Unit Tributary Unit Trunk Unit Typical Urban Tributary Unit-Level 11 Tributary Unit-Level 12 Tributary Unit-Level 2 Tributary Unit-Level 3 Telecommunications s Association (UK) T and UDP with Bigger Addresses Total Cell Count Total Cell Difference Transparent Data

TUG TUG TUG-2 TUG-3 TUGI TULIP TUMS TU-n TUNIC TUP TUP TUP+ TUP+ TUP+ TUPC TUPE TUPI TUPL TUR TUR TUSP TUV TUWE TV TV TV TV TV TV TVA TVA TVAR TVDS TVEC TVF TVG TVI TVM TVO TVOD TVRO TVSC TVT TVTEL TVX TVX TW TW TW TW TW TWA TWA TWAIN TWC TWC TWC TWC TWC TWC

Telecommunication Group Tributary Unit Group Tributary Unit Group 2 Tributary Unit Group 3 Tertiary Group Identity T and UDP over Lightweight IP Temporary Usage Measured Service Tributary Unit-Level n T and UDP over a Nonexistent IP connection Telephone Part Telephone Part (of signalling system No7) Enhanced Telephone Part Telephone Part "Plus" Telephone Part + Tuple Changed Enhanced Telephone Part Terminating Participant Information Tuple Traffic Usage Recorder Trunk Utilization Report Terminating Service Participant Technischer Uberwachungs-Verein Transmit Upper Window Edge ISO country code for Tuvalu TaskView Television Test Voltage Transfer Vector Type and Value Teilnehmer Vermittlengs-Anlage (PABX) Terminal Variable Area Time Variance Trunk Verification from Designated Station Terminating Vector Coordinates TV Food Network TV Guide TeleVision Interference Time-Varying Media Total Value of Ownership TV On Demand Television Receive-Only TeleVision Service Centre Translation Verification Test Thomas Valley TelCo Timer, Valid Transmission Valid Transmission Timer ISO country code for Taiwan Technology Watch Timer Transit Working TypeWriter True Windows Application Two-Way Alternate Technology Without an Interesting Name The Weather Channel Three-Way Call Three-Way Calling Three-Way Conference Three-Way Connection Time Warner Cable

TWCC TWCUS TWDD TWG TWID twip twm TWS TWS TWT TWT TWTA TWWS TWX TX TX Tx TX TX TX TxBD TXC TX-CEL TXD TXD TXE TXJ TXK TxM TXP TXPR TXPWR TXS TXS TxSB TXT TXT TXT TYP TZ TZ TZ TZB

Two-Way Customer Communication Three-Way Calling, Usage-Sensitive Two-Way/Delay Dial Technical Working Group Two-Way/Immediate Dial Twentieth of a Point Tab Window Manager Trunk Work Station Two-Way Simultaneous Traffic Work Table Travelling Wave Tube Traveling Wave Tube Amplifier Two-Way/Wink Start TeletypeWriter Exchange (Service) Tandem Switch Complex Transit Exchange Transmission Transmit Transmitter U.S. postal code for Texas Transmit Buffer Descriptor Transmission Control Throughput X-Cellerator Telephone Exchange, Digital Transmit Data Telephone Exchange, Electronic The X Journal (periodical) Telephone Exchange, Crossbar Transmit Machine Transport Node transponder Transmit Power Telephone Exchange, Strowger Text-to-Speech Announcement Transmitted Signaling Bit Pattern Text Text File TOPS Extended Testbed Type ISO country code for United Republic of Tanzania Time Zone Transmitter Zone Technik Zentrale Betriebsfuhrung (Technical Center Management)

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Unnumbered Usage Underlined (HTML tag) Unavailability Option U-Interface ISDN Line Card -to-Network Unlicensed National Information Infrastructure Unlicensed Personal Communications Services plane

U-U U/L U/S UA UA UA UA UA UA UA UA UAC UAC UAE UAE UAE UAG UAL UAL UAM UAM UAN UAN UAOS UAPR UART UAS UAS UAS UAS UAS UAT UATEI UAUT UAWG UBA UBA UBC UBCF UBE UBG UBL UBL UBM UBM UBM UBR UBR+ UBS UC UC UC UC UC uC UCA UCB UCB UCC UCC

-to- Universally istered/Locally istered /Supervisor Unnumbered Acknowledgement Agent Universal Access Unit Alpha Tested Unavailability ISO country code for Ukraine Unbalanced ARM Unassigned Activation/Deactivation Capability Application Control UNIX Applications Environment Unrecoverable Application Error Agent Entity Circuit Group Unblocking Acknowledgement message Application Layer UMTS Adaptation Layer Universal Access Multiplexer Universal Access Module Universal Access Number UMTS Access Network s Association for Open Systems Area Pointer Universal Asynchronous Receiver/Transmitter Unavailable Second Unavailable Seconds Unassigned Universal Access Server Universal Access Shelf Unavailable Time -Assigned TEI Authentication Universal ADSL Working Group Unblocking Acknowledgement message Unblocking-Acknowledgement signal Bearer Channel Bearer Control Function Unsolicited Bulk E-mail Circuit Group Unblocking message Unblocking message Unblocking signal Unsuccessful Backward Setup Message Unsuccessful Backward Setup Information Message Unsuccessful Backward Monitoring Unspecified Bit Rate Unspecified Bit Rate Plus Unsuccessful-Backward-Set-Up-Information Message Use Case Utility Circuit Upward Compatible Usage Count Class Microcontroller MDII: Unauthorized CAMA University of California at Berkeley Unit Control Block Universal Conference Circuit Unix Command Converter

UCCF UCD UCD UCD UCDLG UCDNSA UCDNSD UCDSD UCE UCF UCF UCF UCF UCFW UCG UCIC UCL UCLA UCM UCM UCMTA UCNCND UCNCNDP U UCS UCS UCS UCS UCS UCS UCSD UCT UD UD UD UD-PCS UDC UDCI UDF UDF UDF UDI UDI-TA UDITA UDLC UDLC UDLC UDLT UDM UDMC UDP UDP UDP UDP UDP/IP UDPC UDR UDR UDS

Call Control Function Uniform Call Distribution Universal Call Distribution Uniform Call Distributor UCD UCD Night Service Activation UCD Night Service Deactivation Uniform Call Distribution Signal Distributor Unsolicited Commercial E-mail Control Function Unregistration Confirm Un Confirm Un Confirmation Usage Sensitive Call Forwarding -side Command Generator Unequipped Circuit Identification Code message Upper Confidence Limit University of California at Los Angeles Universal Cable Module Configuration Manager Unix Cocos Message Transfer Agent Use of Charge Number for Calling Number Delivery Use of Charge Number for Calling Number Delivery, for PRI Universal Carrier Protocol Coordinate System Universal Carrier Services Universal Card Service Answered Calls and Unanswered Calls which use a supplementary service or signaling capability Universal Character Set Universal Multiple-Octet Coded Character Set University of California at San Diego Usage and Conversation Time Uniform Distribution Hunt Unix Domain Unitdata Universal Digital PCS Universal Digital Channel Defined Customer Interface Defined Function -Defined Field Universal Disk Format Unrestricted Digital Information Unrestricted Digital Information with Tones and Announcements Unrestricted Digital Information with Tones and Announcements Universal Digital Loop Carrier Universal Data Link Control Univac Data Link Control Universal Digital Loop Transceiver -Defined Message Unified DRU Milestone Criteria Datagram Protocol Data Protocol Uniform Dialing Plan -Defined Primitive Datagram Protocol/Internet Protocol Universal Digital Personal Communications Universal Data Representation -Defined Routing Universal Data Systems

UDS Upper Data Strobe UDS Unix-Domain Sockets UDT Unitdata message UDT Unstructured Data Transfer UDT Uniform Data Transfer UDT Defined Type UDT with TA Unrestricted Digital Information with Tones and Announcements UDTS Unitdata Service message UDTS Universal Data Transfer Service UDUB Determined Busy UE Element UE Universal Edge UE9000 Universal Edge 9000 UEP Unequal Error Protection UEQ Unequipped uF Microfarad UFA Facility Agent UFBPSM Unprotected Fixed Block Pool Store Manager UFC Flow Control UFD File Directory UFDL File Description Library UFI Upstream Failure Indication UFM Unified Functional Methodology UFM Unified Functional Model UFS UNIX File System UFS Unified File System UFS Unit Fiber Structure UFT Universal Fiber Terminal UFT Unsolicited File Transfer UG Guide UG Group UG ISO country code for Republic of Uganda UG Underground UG Uniguage UG Use BBG Value UG s Group UGS Undergraduate Student UHF Ultra High Frequency UHL Header Label UI Unnumbered Information UI Unit Interval UI Interface UI Unit Inventory UI Unit Interval UI UNIX International UI Universal Interface UI Unrecognized Information Ui U-law Inverted UIC Interface Circuit UIC Union Internationale des Chemins de fer UIC U Interface Circuit UICL Interface Class Library UID Identification UID ID UID Identifier UID Interactive Circuit-Mode Data UID Interface Definition UID Interface Database UIF Interface Framework UIH Unnumbered Information with Header Check

UIL UIM UIMF UIMF UIMM UIMS UIN UIP UIP UIPE UIS UIS UIS UISA UISF UIUC UJ/UC UK uk UKB UKOPS UKPO UL UL UL UL ULA ULA ULBB ULC ULCT ULEC ULP ULP ULP ULSI ULSR UM UM Um um UMA UMA UMA UMA UMA UMA UMB UMC UMCD UMD UMD UMD UMD UME UME UMG UML UMM UMOB

Interface Language Identity Module Identification Management Function Information Management Function Unsigned Immediate Value Interface Management System Information message University Interaction Program Interface Platform Universal ISDN Protocol Engine -In-Service Unclamped Inductive Switching Universal Information Services Instruction Set Architecture Interface Function University of Illinois at Urbana-Champaign Universal ting and Coupling United Kingdom Internet country code for Great Britain (United Kingdom) Universal Keyboard UK Operator Services United Kingdom Post Office Underwriters Laboratories Unordered List (HTML tag) Upper Limit Upper Layer Uncommitted Logic Array Upper Layer Architecture Layer Building Block Urban Loop Concentrator Upper Layer Conformance Testing Group List Editing Capability Upper-Layer Protocol Upper Layer Protocols Upper Level Protocol Ultra Large-Scale Integration Unidirectional Line-Switched Ring ISO country code for United States Minor Outlying Islands Unreliable Multicast GSM Air Interface Micrometer Unified Messaging Architecture Uniform Memory Access Unified Memory Architecture Upper Memory Area Message Analyzer Universal Management Agent Upper Memory Block Unassigned Mux Channel Under Minimum Chargeable Duration Unreliable Multicast Datagram Unscrambled Mode Delimiter Usage Metering Data University of Maryland UNI Management Entity Upstream Mapping Element Unknown Message Unified Modeling Language Unidirectional Multipoint-to-Multipoint Uned Mobile

UMOT UMP UMS UMS UMT UMTS UMTS UMXU UN UN UN UNA UNA UNAM UNAMCHAR UNATEI uNAV UNB UNBAL UNC UNC UNC UNCOL UNCOND UNDN UNEQ UNF UNFR UNI UNI UNI UNI UNICODE UNISON UNISON-1 UNJK UNMA UNN UNN UNN UNO UNRES UOA uoa UOG UOR UOS UOS UOS UP UP UP UP UP UP UP UP UP UP uP

Unreliable Multicast Over Trees Universal Message Protocol UMTS Mobility Server Unified Messaging Service Universal Mobile Telecommunications Universal Mobile Telecommunication System Universal Mobile Telecommunications Service Message Transfer Unit Uniform Numbering Unnumbered Code Unbalanced NRM Universal Night Answering Upstream Neighbor's Address Universal Network-to-Server Access Method Use Name Characters in IAM - or Network-Assigned TEI Micro NAV Counter of Unreasonable BSN Unbalanced Universal Naming Convention Universal Naming Conventions University of North Carolina Universal Common Language Unconditional Unassigned Directory Number Treatment Unequipped Counter of Unreasonable FIB Unframed Unidirectional -Network Interface -to-Network Interface Ente Nazionale Italiano di Unificazione Universal Trunk Out of Service Code Unidirectional Synchronous Optical Network Unidirectional Synchronous Optical Network Unjacked Unified Network Management Architecture Unallocated-Number signal Unallocated Number message Unallocated National Number Universal Networked Objects Unrestricted U-Interface-Only Activation U-Interface-Only Activation -Out-of-Service Grant -Out-of-Service Request -Out-of-Service Universal Operations Systems Universal Operator System Part Unified Processor Profile -Provided Provided Process Upbanding Module Unnumbered Poll Update Procesdate Processor Microprocessor

UPA UPA UPAR UPAR UPB UPC UPC UPC uPC UPCS UPCS UPFS UPG UPI UPID UPL UPM UPM UPM UPN UPN UPNS UPP UPP UPPS UPR UPS UPS UPS UPSR UPT UPT UPT UPT UPTDB UPTI UPTN UPU UPU UR UR UR UR URA URAN URC URDO URDOAD UREG UREM URG URGC URI URJ URJ URL URL URM URM URM

Part Available message UltraSPARC Port Architecture Provided Audible Ring Early Cut-Through for Provided Audible Ring Upper Bound Usage Parameter Control Universal Product Code Privilege Code Microprogram Counter Universal Personal Communications System Unlicensed PCS -Provided Failed Screening Upgrade Team Participant Information Universal Path ID Program Layer Unknown Parameter Units Per Minute Unidirectional Point-to-Multipoint Premises Network United Paramount Network -Provided Not Screened Universal Procedure Pointer Unidirectional Point-to-Point -Provided ed Screening Performance Requirement Uninterruptible Power Supply Uninterruptible Power System Upper Performance Score Unidirectional Path-Switched Ring Universal Personal Telecommunication Universal Personal Telecommunications Universal Personal Telephone Part Test message UPT Number Database UPT Indicator Universal Personal Telecommunication Number Part Unavailable message Universal Postal Union Rate Unit Robustness Tested Unix Review (periodical) Unreliable Available Uniform Resource Agent UMTS Radio Access Network Uniform Resource Citation Uned Dial Out Service Uned Dial Out Access Default Type Registration Universal Remote Urgent Pointer flag Uniform Reliable Group Communication Universal Resource Identifier Unregistration Reject Un Reject Uniform Resource Locator Universal Resource Locator Universal Restoration Manual Usage Reference Model Universal Resource Management

URM URN URN URN URO URP URQ URQ URSI uRTS URTU US US US US US US US us US ITAC USA USA USAID USART USASCII USB USB USB USB1 USBS USC USC USC USC USC USCF USCM USD USD USD USDC USDC usec USENET USF USF USG USGS USHR USHR/L USHR/P USI USI USI USIC USID USID USIP USIS USITA

's Reference Manual Universal Resource Number Uniform Resource Number Uniform Resource Name Unified Repertoire and Ordering Root Pointer Unregistration Request Un Request Union Radioscientifique Internationale ObjecTime Micro Run Time System Urban Remote Test Unit Signaling Utility Service Usage Sensitive Unit Separator ISO country code for United States of America Use Per-Switch Value Upstream Microsecond U.S. International Telecommunications Advisory Committee Service Agent Signaling Agent Universal Speech Activated Intelligent Dialing Universal Synchronous/Asynchronous Receiver/Transmitter United States American Standard Code for Information Interchange Upper Sideband Usage Sensitive Billing Universal Serial Bus Unscrambled Binary 1s Signaling Bearer Service Signaling Channel Universal Service Circuit Signalling Context Security Component University of Southern California Usage-Sensitive Call Forwarding Universal Service Component Model Utility Service Directory 's Supplementary Documents U.S. Dollars U.S. Digital Carrier System U.S. Digital Cellular Microsecond s Network Uplink Status Flag Universal Service Fund Unix Group U.S. Geological Survey Unidirectional Self-Healing Ring Unidirectional Line Switching Self-Healing Ring Unidirectional Path Switching Self-Healing Ring System Interface Service Information Service Interaction U.S. Integrity Center Sevice Identification Service Identifier Service Information Prime -to- Information message United States Independent Telephone Association

USIW USL USL USL USL USM USN USNO USO USO USOC USOC USOL USP USP USP USP USP USPRO USPS USR USR USRT USS USSD USSG USTA USTS USTSA USTWC USW UT UT UT UT UT UT UT UT UT UTA UTAM UTC UTC UTC UTC UTC UTCF UTD UTD UTD UTF UTF UTF-8 UTG UTI UTL UTL UTL

U.S. Intelco Wireless System Language Unix System Laboratories Unix Sustems Laboratories Universal Software Load -based Security Model Unique Sequence Number United States Naval Observatory Universal Service Order Uniform Service Order Universal Service Order Code Uniform Service Order Code Unsolicited Usage Sensitive Pricing Service Profile Service Protocol Stack Pointer Service Participant U.S. Product Data Association US Postal Service -to- Information Message U.S. Robotics Universal Synchronous Receiver/Transmitter Unnotiger Schleifenschluss (Unnecessary Loop Closure) Unstructured Supplementary Service Data United States Study Group United States Telephone Association United States Telephone System United States Telephone Suppliers Association Usage-Sensitive Three-Way Calling US West Universal Trunk U.S. postal code for Utah Universal Time Upper Tester Unit Test Plan Unit Tested Unit Test Unit Testing Unit Testing Completed Universal Terminal Adapter Unlicensed Ad Hoc Committee for 2GHz Microwave Transition and Management Unable-to-Comply Coordinated Universal Time Universal Coordinated Time Universal Time Coordinated Universal Thin Client Upper-Tester Control Function Universal Tone Decoder Uniform Theory of Diffraction University of Texas at Dallas Universal Text Format UCS Transformation Format UCS Transformation Format- 8-Bit Form Universal Tone Generator International Universal Time Trailer Label Universal Transport Layer Utility

UTL1 UTLB UTOPIA UTP UTP UTP UTP UTR UTRA UTS UTS UTS UTSI UTSL UTU UTUD UU UU UU UU UUI UUI UUi UUID UUID UUIE UUS UUS UUSBL1 UUSBL2 UUSCC UUSI UUT UUT UV UV UV UVG UVM UW uW uW UWM uwm UXGA UXLA UXS UY UZ

Trailer Label 1 Unified Translation Lookaside Buffer Universal Test and Operations Physical Interface for ATM Unshielded Twisted Pair Universal Trunk Processor Universal Trunk Protocol Unit Test Plan Universal Tone Receiver UMTS Terrestrial Radio Access Unix Time Sharing Utility Telemetry Service Universal Test Set To Service Information Use The Source, Luke -to- -to- Data message - to Unix-to-Unix Copy Program Unix-to-Unix Copy Protocol -to- Information -to- Indicator to Indicator Universally Unique Identifier Universal Unique Identifier - Information Element -to- Signaling to Service -to- Signaling Billing Records (Intranetwork) -to- Signaling Billing Records (Internetwork) -to- Signaling with Call Control -to- Signaling Implicit Unit Under Test -to- Signaling Transfer Ultraviolet Utterance Verification Undervoltage Universal Voice Grade Universal Voice Messaging UnixWorld (periodical) Microwave Microwatt Universal Window Manager Universal Window Manager Ultra XGA Universal Translations MDII: Unexpected Stop ISO country code for Eastern Republic of Uruguay ISO country code for Uzbekistan

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Overflow Signal Valid Value only Variable

V V V V V V V V V V V&H V&V V(A) V(M) V(r) V(R) V(s) V(S) V(SD) V.FC v.i.s. V/C V+D V+D V4FSL V86 VA VA Va VA VA VA VA VA VA VA VA VA VAAA VAB VAC VAC VAC VAC VAC VAC VACM VACT VAD VAD VAD VAD VAD VADS VADSL VAFC VAI VAIO VAIVR VAJ

Variable length Vector verhogen (Dutch for "to increment") Version vertical Virtual Terminal Service Voice Volt(s) Voltage Vote (ETSI) Vertical and Horizontal Validation and Verification Acknowledge state Variable Recovery State Variable Local State Variable (receive) Receive State Variable Local State Variable (send) send state Variable SenD state Variable V.Fast Class Viewable Image Size View/Controller Voice + Data (TETRA) Voice Plus Data System V Release 4 File System Layout Virtual-86 ISO country code for Vatican City State U.S. postal code for Virginia Varargs Vertical Application Virtual Address Visual Architect VisualAge Viterbi Algorithm Voice Activity volt ampere Voltage Amplifier Volt-Amperes Voice Activated Auto Attendant Voice Answer-Back Vacant Value Added Carrier VFG Access Control VMEbus Address Controller Volts AC Volts Alternating Current View-based Access Control Model Vacant Code Treatment Value-Added Dealer Value-Added Developer Voice Activated Dialing Voice Activity Detection Voice Activity Detector Value Added Data Service (FTAM) Very High Speed ADSL VESA Advanced Feature Connector Video Assisted Instruction Video Audio Integrated Operation Voice-Activated Interactive Voice Response Visual Age for Java

VAL VAL VAL VAM VAMP VAN VAN VANC VANS VANSGL VAP VAP VAP VAPD VAPN VAR VAR VAR VAR VAS VAS VASP VASP VASSCS VAT VATP VAU VAVE VAX VAX

Valhalla Validation Value Virtual Address Method DMS-250 AIN Message Processing Value-Added Network VDT Access Network Voice Activated Network Control Value Added Network Service(s) Value Added Network Services General Licence VADSL Access Point Vaule-Added Process Videotext Access Point Voice Activated Premier Dialing Virtual Access to Private Networks Value-Added Reseller Variable Variable Name (HTML tag) Visual Aural Range Value Added Service Video Application Signaling Value-Added Service Provider Virtual Analog Switching Points Video-Audio Service Specific Convergence Sublayer Value Added Tax Vector Adaptive Transform Processing Video Access Unit Value-Added-Value Engineering Virtual Address Extension Virtual Address eXtension (Digital Equipment Corp. Computer Family

VB VB VB VB VB4 VB5 VB6 VBA VBC VBC VBD VBE VBE/AI VBI VBI VBL VBN vBNS vBNS VBPSM VBR VBR VBR+ VBRI VBR-NRT VBR-RT VBS VBS VBS

Variable Binding Variable-Blocked Visual Basic Voice Bank Visual Basic 4.0 Visual Basic 5.0 Visual Basic 6.0 Visual Basic for Applications Virtual Bearer Channel Virtual Business Card Voiceband Data Voice Band Enhancement VESA BIOS Extension/Audio Interface Vertical Blanking Interval Vertical-Blanking Interval Vertical Block Line VDT Backbone Network Very High Speed Backbone Network System Very-High-Speed Backbone Network Service Variable Block Pool Store Manager Variable Bit Rate Vector Base Enhanced Variable Bit Rate VCO Basic Rate Interface Non-Real-Time Variable Bit Rate Real-Time Variable Bit Rate Variable Bitrate Services Variable-Blocked-Spanned Voice Broadcast Service

)

VBS VBUS V-Bus VBX VBX VC VC VC VC VC VC VC VC VC VC VC VC/CM VC++ VC-11 VC-12 VC-2 VC-3 VC-4 VC40 VCA VCA VCA VCA VCA VCA VCC VCC VCC VCC VCC Vcc VCC VCC VCCE VCCO VCCT VCD Vcd VCD VCDR VCDX VCF VCF VCF VCG VCG VCG VCH VCH VCI VCI VCI VCI VCL VCL

Volume Boot Sector Virtual Bus Vertical Bus Visual Basic Custom Control Visual Basic Extension ISO country code for Saint Vincent and the Grenadines Vacant Code Version Control Virtual Call Virtual Channel Virtual Circuit Virtual Container Virtul Connection Visual C++ Voice Channel Voltage Common Version Control/Configuration Management Visual C++ Virtual Container-Level 11 Virtual Container-Level 12 Virtual Container-Level 2 Virtual Container-Level 3 Virtual Container-Level 4 Visual C++ Version 4.0 MDII: Vacant Code Announcement Vacant Code Announcement ViewCall America Voice Communications Adapter Voice Connecting Arrangement Voltage Controlled Amplifier Common Collector (Supply) Voltage Video Compact Cassette Video Composing Chain Virtual Card Calling Virtual Channel Connection Virtual Channel Connection Component Virtual Channel Controller Voice Controlled Carrier Virtual Channel Connection Endpoint Voltage-Controlled Crystal Oscillator Virtual Channel Connection Termination Variable Center Device Virtual Channel Descriptor Virtual Communication Device Variable Call Detail Recording Very Compact Digital Exchange Video Command "Freeze Picture Request" Virtual Channel Forwarder Voltage Controlled Filter Vector CardioGraphy Vertical line through Centre of Gravity Video Clock Generator Virtual Circuit Handler Voice Channel Virtual Call Identifier Virtual Channel Identifier (B-ISDN) Virtual Circuit Identifier Virtual Connection Identifier Vertical Cavity Laser Virtual Channel Link

VCL VCM VCM VCM VCM VCN VCN VC-n VCNA VCO VCO VCO VCO VCOS VCOTBM V V V VI VL VCR VCR VCR vcrm VCS VCS VCS VCS VCS VCSEL VCT VCTV VCU VCX VC-x VCXO VD VDAS VDB VDBT VDC VDC VDC VDD VDD VDD VDD VDE VDE VDE VDE VDI VDI VDI VDK VDLC VDM VDM VDM VDMA

Visual Component Library Video Composing Module Virtual Channel Maintenance Virtual Channel Manager Voltage-Controlled Multivibrator Virtual Circuit Number Virtual Corporate Network Virtual Container-Level n Virtual Customer Network Access Video Conferencing Operations Virtual Captive Office Virtual DMS Captive Office Voltage-Controlled Oscillator Visible Caching Operating System Virtual Captive Office Test Bed Manager Video Cassette Player Video Controller and Processor Voice-Channel Protocol Virtual Control Program Interface Voice Call Processing Language Video Cassette Recorder Voltage Controlled Resistor (FET) Voluntary Content Rating Voice Channel Resource Manager Version Control System Virtual Call Service Virtual Cell Spreadsheet Virtual Circuit Switch (Datakit) Virtual Circuit System Vertical Cavity Surface Emitting Laser Vacant Code Treatment Viewer-Controlled Cable Television Video Command "Fast Update Request" Virtual Channel Cross-Connect Virtual Container-x Voltage Controlled Crystal Oscillator Virtual Destination Voice Data Acquisition System Visitor Database Visual Database Tools Virtual Device Coordinates Volts DC Volts Direct Current Positive Supply Voltage Version Description Document Virtual Device Driver Virtual Display Driver Verband Deutsche Elektrotechniker Verein Deutscher Elektroingenieure Verein Deutscher Elektrotechniker Voice Data Entry Video Data Input/Interface Video Device Interface Virtual Device Interface (TOP, today CGI) Virus Developer's Kit Virtual Data Link Capability Virtual Device Machine Virtual Device Memory Virtual DOS Machine Variable Destination Multiple Access

VDN Variable Directory Number VDN Vector Directory Number VDN Virtual Data Network VDN Voice on Data Network VDP Video Display Processor VDP Voice/Data Protection VDPAC Voice Data Protection Active/Inactive Status VDPAM Voice Data Protection for Analog Member of EKTS VDPFCC Voice Data Protection- Full- Customer Controlled VDPFF Voice Data Protection- Full- Fixed VDPLCC Voice Data Protection- Limited- Customer Controlled VDPLF Voice Data Protection- Limited- Fixed VDR Vertical Developer Relations VDR video disk recorder VDR Voice Digitization Rate VDR Voltage-Dependent Resistor VDS Variable Drop-Size VDS Video Distribution System VDS Virtual DMA Services VDS Vocabulary Development System VDS Voice-prompt Development System VDSL Very Asymmetric Digital Subscriber Loop VDSL Very High-Speed Digital Subscriber Loop VDSL Very-High-Bit-Rate Digital Subscriber Line VDT Video Dial Tone VDT Video Dialtone VDT Video Display Terminal VDT visual display terminal VDU Video Display Unit VDU visual display unit VDV Vorbestellte Dauerwahlverbindung (Semi-Permanent Connection) VDX Videotex VE ISO country code for Republic of Venezuela VE Validating Entity VE Vermittlungseinheit (Switching Equipment) (Exchange/Switch) VE Version Editor VE:A International Gateway VE:F Transit Switch VE:N Vermittlungseinheit fur Netzubergange (National Gateway) VE:S Vermittlungseinheit fur S-130 Verkehr (Service Switch) VEA Virtual Environment Architecture VEBEL Verkehrsbelastung DV-System zur Bereitstellung von Verkehrs-belast ungswerten (OAM application for traffic monitoring) VEBS VCO EBS VELC Voice Excited Linear Coding VELCOR VELocity CORrection VEM Vertical Editing Mode VEMM Virtual Extended Memory Manager VEMMI Videotex Enhanced Man-Machine Interface VEN Virtual Equipment Number VENAD Vendor New Application Development VENUS Very Extensive Non-Unicast Service VER Verified VER (ing) Veronica Very Easy Rodent-Oriented Netwide Index to Computerized Archives VESA Video Electronics Standards Association VESPPOR Vendor Software Product Ports or Reimplementations VEST Voice English-Spanish Translator Vf feeding Voltage VF Vacuum Fluorescent

VF VF VF VF VF VFA VFAT VFC VFC VFC VFC VFC VFCT VFD VFFT VFG VFGLA VFIP VFL VFL VFN VFO VFR VFRAD VFS VFS VFS VFSM VFT VFT VFT VFTG VFW VG VG VG VGA VGA VGA VGB VGC VGCS VGDA VGE VGF VGI VGRA VGSA VGSA VH VH V-H VH-1 VHADSL VHD VHD VHD VHDL VHDSL VHE

Variable Format Variance Factor Virtual File Virtual Function Voice Frequency Volunteer Fire Alarm Virtual File Allocation Table (Windows 95 File System) Vertical Form Control (Printers) Video Feature Connector Voice-Frequency Channel Voltage to Frequency Converter Voltage-to-Frequency Converter Voice Frequency Carrier Telegraph Vacuum Flourescent Display Voice Frequency Facility Terminal Virtual Facility Group Virtual Facility Group Look Ahead Voice File Interchange Protocol Voice Frequency Line Voice Frequency Link Vendor Feature Node Variable Frequency Oscillator Voice Frequency Repeater Voice Frame Relay Access Device Virtual File Store (FTAM) Virtual File System Voice-prompt File System Virtual Finite-State Machine Very Fast Track Voice Frequency Telegraphy Voice Frequency Terminal Voice Frequency Telegraph Video for Windows ISO country code for British Virgin Islands Voice Grade Volume Group Variable-Gain Amplifier video graphics adapter Video Graphics Array Virtual Group Busy Voice Grade Circuit Voice Group Call Service Volume Group Descriptor Area Voluntary Group of Experts Voice Grade Facility Voice Group Interface Volume Group Reserved Area Voice Grade Special Access Volume Group Status Area Vertical High Videotex Host Vertical-Horizontal Video Hits 1 Very High-Bit-Rate Asymmetrical Digital Subscriber Line Very High Definition Very High Density Very High Density (Video Disk Format, JVC Inc.) VHSIC Hardware Description Language Very High-Frequency Digital Subscriber Loop Virtual Home Environment

VHF VHLL VHPIC VHS VHSI VHSIC VHSIC VHS-S VI VI VI VI VI VI VI VI VIA VIA VIA VIA VIA VIAS VIC Vice VICS VID VID VID VIDF VIDLC VIEW VIF VIFF VIG VIM VIMT VINCE VINES VIO VIP VIP VIP VIP VIP VIPC VIP-NI VIQR VIR VIR VIR VIRPS VIRS VIRUS VIS VIS vis VIS ViSCA VISCII VISIT

Very High Frequency (30...300 MHz) Very High Level Language Very High Performance Integrated Circuit Video Home System Very High Scale Integration Very High Speed Integrated Circuits Very High-Speed Integrated Circuit Super VHS ISO country code for U.S. Virgin Islands Virtual Image Virtual Interface Visual Interactive Voice and Voiceband Data Information Voice and Voiceband Information Voice Interface Voiceband Information Vendors' ISDN Association Versatile Interface Adapter Videotex Interworking Architecture Virtual Interface Architecture Virtual Interworking Agent Voice Intelligibility Analysis Set VMEbus Interface Controller Vast Integrated Computing Environment Voluntary Interindustry Communication Standards (EDI) Video Identifier Virtual Identifier Virtual TID Vertical side of Intermediate Distribution Frame Bellcore Integrated Digital Loop Carrier protocol Virtual Interface Environment Workstation Variable Information Field Visualization/Image File Format Virtual Interface Group Vendor-Independent Messaging Virtual Intermachine Trunk Vendor Independent Network Control Entity Virtual Networking System Virtual Input/Output Very Important Person Video Information Provider VINES Internet Protocol Virtual Internet Protocol Voice Interactive Phone VINES Interprocess Communications Protocol Video Information Provider Network Interface Vietnamese-Quoted Readable Specification Vertical Interval Reference Virtual Input Vulcanised India Rubber (insulation) Visual Information Response and Communication Processing System Vertical Interval Reference Signal (Video) Vital Information Resources Under Siege Vector Instruction Set Via International Switch Viewable Image Size Voice Information System Video System Control Architecture Vietnamese Standard Code for Information Interchange Visual Interactive Technology

VISS VIT VIT VITA VITA VITC VITC VITS VIU VIU VIU VIU VIU VIU-NI VIW VJ VJ VJ++ VK VL Vl VL VLAN VLB VLBI VL-Bus VLC VLC VLC VLC VLCM VLD VLDB VLDS VLE VLEN VLF VLF VLF VLF VLFA VLI VLIW VLM VLM VLM VLN VLP VLP VLR VLR VLR VLSI VLSIC VLSM VM VM VM VM VM

Voice Interface Service Supervisor Virtual ISDN Terminal Voice Input Technology Virtual Integrated Transport and Access VMEbus International Trade Association Vertical Interval Time Code Vertical Interval Time Code (Video Tape Recorder) Vertical Interval Test Signal (Video) Vehicle Interface Unit Video Information Videotex Interface Unit Visitor Database Interface Unit Voice Interface Unit Video Information Network Interface Video Information Warehouse Van Jacobsen IP Header Compression Visual Java Visual Java++ Virtual Key Verbindungsleitung (Trunk) Vermittlungsleitung (Trunk) VESA Local Bus Virtual Local Area Network VESA Local Bus Very Long Baseline Interferometry VESA Local Bus Variable Length Code Variable Length Coder Variable Length Coding Voice Line Card Virtual Line Concentrating Module Variable Length Decoder Very Large Database Very Large Data Storage Variable-Length Encoder Virtual LEN Vertical Laminar Flow Very Low Frequency Very Low Frequency (3...30 kHz) View Layout File Very Low Frequency Array (50kiloHertz..30MegaHertz, lunar project) Variable-Length Integer Very Long Instruction Word Very Large Memory Virtual Line Module Virtual Loadable Module Virtual Line Video Laser Player Virtual Connection Loss Priority Visitor Location Visitor Location (GSM term) Visting Location Registry Very Large-Scale Integration Very Large Scale Integrated Circuit Variable-Length Subnet Mask Verkehrsmanagement (Traffic Management) Virtual Machine Virtual Memory Virtual-8086 Mode Voice Mail

VM Voltage Multiplier vm Voltmeter VMA Valid Memory Address VMA Verkehrsmanagement Ausland (Deutsche Telekcom traffic management c enter for international traffic) VMA Video istration module VMA VME AIX VMAAP Visual Maintenance and onistration (ATT) VMAC Voice Mobile Attenuation Code VMAE Voice Mail Association of Europe VMAP Virtual MAP VMB Voice Mail Box VMC Variable Message Cycle VMC Vendor Marketing Center VMC VESA Media Channel VMC Voice Messaging Coder VMD Virtual Manufacturing Device (MMS) VMDF Vertical side of Main Distribution Frame VMDF Virtual Main Distribution Frame VME Versa Modul on Eurocard VME Versa Module Eurocard VMEA Voice Mail Easy Access VMESS Verkehrsmessungen (operations system for traffic measurement) VMI Vector Management Interface VMI Verkehrsmanagement Inland (Deutsche Telekom traffic management cen ter for national traffic) VMI Virtual Memory Interface VMIC VME Microsystems International Corporation VMLA Virtual Mobile Location Area VMM Virtual Machine Management VMM Virtual Machine Manager VMM Virtual Memory Management VMM Virtual Memory Manager VMM Visual Meeting Minutes VMM Voice Mail Machine VMNSS Voice Messaging Network Service VMOS Vertical Metal Oxide Semiconductor V-MOS V-groove Metal Oxide Semiconductor VMR ETS-4 codeswitch controller (Swedish) VMR Value-Managed Relationship VMR Virtual Meeting Room VMS Vantage Modular Set VMS Versa Modul Serial bus (similar VME-Bus) VMS Virtual Meeting Service VMS Virtual Memory System VMS Virtual Memory System (Operating System for DEC VAX Computer) VMS Voice Mailbox Service VMS Voice Messaging Service VMS Voice Messaging System VMSC Visited MSC V-MSC Visited MSC VMSR Voice Message Storage and Retrieval VMSRID Valid MSRIDs VMT Virtual Method Table VMTM Virtual Maintenance Trunk Module VMTP VDT Message Transfer Part VMTP Versatile Message Transaction Protocol VMTP-T VDT Message Transfer Part-Translator VMU Volume Maintenance Utility VMUIF Voice Messaging Interface Forum

VMW VMWI VMX VMZ via Q3) VN VN VN VN VNCA VNCA VNEP VNET VNIC VNK change) VNL VNLF VNN VNODE VNPT VNR VNR VNS VNS VNS VO VO VO VO VOA VoA VOB VOB VOC VOC vocoder VOCSU VoD VOD VODAS VOFR VOGAD VOGAD VOI VoIP VOL VOL VOL1 VOLCAS VOM VOM VOM VON V-ONU VOP VOP/VOT VOR VOR VOS

Vertically Modulated Well Visual Message Waiting Indicator Voice Message Exchange Verkehrsmanagement Zentrum (OAM application for traffic management ISO country code for Socialist Republic of Viet Nam Number Version Number Virtual Network Virtual telecom access method Node Control Application (NetView) VTAM Node Control Application Virtual Network Element Protocol Virtual Network Voltage Negative Impedance Converter Vermittelnder Netzknoten (Network Switching Element (Node)/Loca Ex Via Net Loss Via Net Loss Factor Vacant National Number Virtual Node Vietnam Post and Telecommunications Van Nostrand Reinhold Virtual Network Router Virtual Network Service Virtual Network Switching Virtual Networking System Validation Office Verification Office Video Object Visual Objects Variable Optical Attenuator Voice over ATM Versioned Object Base Virtual Output Buffer Video Operations Center Volatile Organic Compound Voice Operated Coder Voice Operated Control Switching Unit Video on Demand video-on-demand Voice Operated Device Anti-Singing Voice over Frame Relay Voice Operated Gain Adjusting Device Voice-Operated Gain Adjustment Device Voice Over Internet Voice over IP (Internet Protocol) Volume Volume Label Volume Label 1 Voice Operated Loss Control And Echo/Singing Suppression Voice Only Messaging Volt Ohm Meter Volt/Ohm Meter Voice On the Net Video ONU Vote and Opinion Poll Vote and Opinion Poll/Televoting Services Verification Office Report Very-high-frequency Omnidirectional Range (Avionics) Virtual Operating System

VOSS VOT VOT VOT VOW VOW VOX VOX VP VP VP VP VP VP VP/VC VPA VPA VPA VPA VPBX VPC VPC Vpc VPC VPC VPCC VPCE VPCE VPCI VPCT Vpd VPD VPD VPDB VPDE VPDN VPDN VPF VPF VPG VPI VPI VPI VPIM VPL VPL VPLMN VPLMN VPLT VPM VPM V-PM VPN VPN VPN VPNA vPoP VPOTS VPP VPP

Virtual Object Storage System Televoting Televoting Services Visio OLE Testbed Verbindung Ohne Wahl (Direct Connection Without Dialing) Voice Order Wire Voice Operated switch Voice Operated Transmission Vice-President Virtual Partitioning Virtual Party Virtual Path Visual Programmer Voltage Plus Virtual Path/Virtual Circuit Valid Peripheral Address Vertical Position Absolute Virtual Point of Attachment (TETRA) Voice Path Assurance Virtual PBX Very Personal Computer Virtual Path Connection Virtual Path Connection Component Virtual Position Controller Virtual Process Communications Virtual Path Cross-Connect Videotex Presentation Control Element Virtual Path Connection Endpoint Virtual Path Connection Identifier Virtual Path Connection Termination Virtual Path Descriptor Virtual Printer Driver Vital Product Data VP Trunk Group Database Videotex Presentation Data Element Virtual Private Data Network Virtual Private Dial-Up Networking Virtual Path Forwarder Virtual Private Facility Virtual Path Group Virtual Path Connection Virtual Path Identifier Voice-Processing Integration Voice Profile for Internet Mail Virtual Path Link Virtual Private Line Visited PLMN Visited Public Land Mobile Network Virtual Path Link Termination Virtual Path Multiplexer Virtual Peripheral Module Virtual Peripheral Module View Plane Normal Virtual Page Number Virtual Private Network Virtual Private Networking over ATM Virtual Point of Presence VCO POTS Voice Processing Platform Volts Peak-to-Peak

VPR VPROC VPS VPS VPS VPSL VPT VPT VPT VPTR VPU VPU VPW VPX VQ VQ VQ VQB VQL VQL VQS VR VR VR VR VR VR VRAM VRAM VRAM VRB VRC VRC VRC VRC VR VRE VRI VRLA VRM VRML VRML VRN VROOMM VRP VRPRS VRS VRS VRT VRTIF VRTX VRTX/OS VRTXsa VRU VS VS VS VS VS VS

Vertical Position Relative Procedure Video Programming System Virtual Path Service Voice Processing System Virtual Party Service Link Virtual Path Terminating Equipment Virtual Path Terminator Voice Plus Telegraph Virtual Function Pointer Video Presentation Unit Voice Processing Unit Voice Prompt Workstation Virtual Path Cross-Connect System Vector Quantisation coding vector quantization Voice Quote Visual Query Builder Variable Quantizing Level Visual Query Language Visual Query System Variable Rate Version Registry Virtual Reality Virtual Route Voltage Regulator Voltage Restricted Variable-Rate Adaptive Multiplexing Video RAM Video Random Access Memory Visual Report Builder Vertical Redundancy Check Video Random-access-memory Controller Virtual Redundancy Check VR Control Voice Recognition Call Processing Voltage Restricted Extended Varistor Valve Regulated Lead Acid Voltage Regulator Module Virtual Reality Markup Language Virtual Reality Modeling Language Virtual Route Number Virtual Run-time Object-Oriented Memory Manager View Reference Point Virtual Route Pacing ReSponse (SNA) Video Response System (Japan NTT) Voice Response System Voltage Reduction Technology Virtual RTIF Versatile Real-Time Executive Virtual Real-Time eXecutive Operating System Versatile Real-Time Executive/Scalable Architecture Voice Response Unit Vendor-Specific Verification Sequence Video Server Videotex Service Virtual Scheduling Virtual Source

VS VS VS VS VS VS/VD VS1 VS2 VSA VSA VSA VSAM VSAM VSAT VSB VSB VSB VSB VSB VSC VSC VSC VSC VSCD VS VSD VSD VSE VSE VSE VSELP VSELP VSF VSF VSI VSIA VSID VSIF VSIM VSLE VSLE VSM VSM VSM VSM VSMF VSMO VSN VSN VSN VSNL VSO VSO VSOS VSP VSP VSP VSP VSP VSPM

Virtual Storage Virtual System Visual Smalltalk Voltage Shield Volume Server Virtual Source/Virtual Destination Virtual System 1 Virtual System 2 Video Serving Area Virtual Scheduling Algorithm Virtual System Architecture Virtual Sequential Access Methode Virtual Storage Access Method Very Small Aperture Terminal Variable Split Band VERSAbus vestigial sideband Vestigial SideBand amplitude modulation (VSB/AM) VME Subsystem Bus Vendor Service Center Vertical Service Code Videotex Service Center VDT Signaling Connection Control Part Vertical Service Code Digits VDT Session Control Part Vendor Specific Device Vendor Supplied Driver Virtual System Extension Visual Smalltalk Enterprise Voice Storage Equipment Vector Sum Excited Linear Prediction Vector-Sum Excited Linear Predictive Coding Voice Storage and Forwarding Voice Store and Forward VMEbus Slave Interface Virtual Socket Interface Alliance Virtual Segment ID Video Services Industry Forum VSOS Simulator Very Small Local Exchange Visual Screening List Editing Variable Block Pool Store Manager Verein Schweizerischer Maschinen-industrieller normalisation (CH) Virtual Storage Management Visual System Manager Visual Search on MicroFilm Very Stable Master Oscillator Voice Service Node Voice Services Node Volume Serial Number Videsh Sanchar Nigam Ltd. Very Small Outline (IC Package) VITA Standards Organization Virtual Switch Operating System Vector Signal Processor (Zoran Inc.) Video Signal Processor Virtual Switching Point Voice Services Processor Voice Session Processor Virtual Spectrum Peripheral Module

VSPRM VSR VSR VSR VSS VSS VSt VST VST VStKNr VSU VSU VSWR VSYNC VT VT VT VT VT VT VT VT VT VT VT VT VT VT VT VT VT SPE VTA VTA VTA VTAF VTAM VTAM VTAM VTAME VTB VTBL VTBM VTBM VTC VTC VTC VTD VTD VTDS VTE VTE VTE VTG VTHC VTI VTID VTIF VTL VTM VTMP

Voice Services Processor Resource Module Very Small Remote Video Shift Voice Store Retrieve (Codec/ Telecom.) Vector Switch Software Voice Storage System Vermittlungsstelle (Switch/Exchange) Visual Smalltalk Volume Sensitive Tariff Vermittlungsstellen-Kennummer (Switch ID) Video Service Unit Videotex Service Unit Voltage Standing Wave Ratio Vertical Sync U.S. postal code for Vermont Vacuum Tube Vertical Tab Vertical Tabulation Vertical Tabulator Vertical Temporal High Video Telephone Video Telephony video-tape Videotex Terminal Virtual Target Virtual Terminal Virtual Terminal Service Virtual Tributary Virtual Trunk Visual Thought Virtual Tributary Synchronous Payload Envelope Virtual Terminal Agent (Networks) Virtual Trunk Agency Virtual Trunk Agent VoiceType Application Factory Virtual TAM Virtual Telecommunications Access Method (SNA) Virtual Terminal Access Method VTAM Extended Visual Table Builder Virtual Function Table VCO Test Bed Manager Virtual Tributary Bandwidth Manager Vehicular Technology Conference Vienna Technology Center Virtual Terminal Control Virtual Timer Driver Volume Tracking Driver Voice Transparent Data Service Video Transfer Engine Virtual Terminal Environment Virtual Test Environment Virtual Tributary Group Virtual Testheads Complex Virtual Topology Identifier Virtual TID VCO Terminal Interface Variable-Threshold Logic Virtual Topology Management Virtual Topology Management Protocol

VTN VTNA VTO VTOA VToA VTOC VTOH VTOL VTP VTPM VTR VTRP VTS VTS VTS VTS VTSP VTVM VTX Vtx VTX host VTx-Nc VU Vu VU VUE VUI VUP VUP VUS VUSP VVL VVM VW VWB VWF VWP VWP VWS VXA VxD VxFS VXI VXI VXIbus VXPM

Vietnam Telecom National Virtual Transit Networking over ATM voltage-tuned oscillator Voice and Telephony Over ATM Voice Trunking over ATM Volume Table of Contents Virtual Tributary Overhead Vertical Take Off and Landing Virtual Terminal Protocol Virtual Terminal Protocol Machine Video Tape Recorder Virtual Trees Routing Protocol Vertical Tabulation Set Vessel Traffic Systems Virtual Telephony Server Virtual Terminal Service Virtual Terminal Switch Profile Vacuum Tube Voltmeter VideoTeX Videotext The components dedicated to Videotex service concatenated Virtual Tributary ISO country code for Vanuatu Voice unit Volume Unit Visual Environment Video Interface View Up Vector Virtual Port Voice-Unvoiced-Silence Virtual Service Participant Vendor Validation Lab Voice, Video and Multimedia VisualWorks Visual WorkBench Verkehrs Warn-Funk (Road Traffic Information System, ARI) Virtual Wavelength Path Voluntary Work Programme (ETSI) View Store VSOS Extended Architecture Virtual Device Driver Veritas File System Versa modul on eurocard eXtension for Interfacing VME Extension for Instrumentation VMEbus Extensions for Instrumentation Virtual XPM

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Watt Watt(s) Wechselseitig (Two-Way) West Window Word WORD (unsigned word) or UINT (unsigned int) Write

WW/S W3 W3C W3C W3O W95 WA WA WABI WABT WAC WAC WACA WACI WACK WACS WACS W W WADS WAFL WAH WAHT WAI WAIS WAIS WAIS WAIT WAITS WAK WAL WAL2 WAM WAMIS WAMP WAN WANN WAP WAP WAR WARC WARC WAS WASM WATFOR WATM WATM WATM WATS WATS WATTC WAV WAV WAVAR WAVAR WAVE WB WB Wb

Wideband Workstation World-Wide Web (WWW) W3 Consortium World Wide Web Consortium W3 Organization Microsoft Windows 95 U.S. postal code for Washington Work Area Windows Application Binary Interface WAit Before Transmission Wide Area Centrex Wireless Access Controller Write Access Connection Acceptor (VT) Write Access Connection Initiator (VT) WAit before ACKnowledgement Wide Area Communications System Wireless Access Communications System Wavelength Add/Drop Multiplexer Wavelength Add-Drop Multiplexer Wide Area Data Service Write-Anywhere File Layout Work At Home Weighted Average Holding Time Who Am I Wide Area Information Server Wide Area Information Service Wide Area Information System Wait state Wide Area Information Transfer System Wait before AcKnowledgement Write-Ahead Log Walsh Function 2 Web Application Manager Wireless, Adaptive and Mobile Information Systems Wavelength Amplifier Wide Area Network Wide Area Network Node Wide-Area Paging Wireless Application Protocol Weekly Activity Report World istration Radio Conference World istrative Radio Conference Works As Specified Watcom Assembler Waterloo FORTRAN Wide-Area ATM Wireless Asynchronous Transfer Mode Wireless ATM Wide Area Telecommunications Service Wide Area Telephone Service World istrative Telegraph and Telephone Conference Waveform-Audio File Windows waveform Write Access Variable Write Access VARiable (VT) Wide Area Voice Exchange Result Write-Back Warner Brothers Weber

WB WB WB WB WBA WBA WBAC WBAs WBC WBC WB-DACS WBEM WBERT WBFM WBS WBS WBS WBT WBT WB-TDMA WBVTR WC WC WC WC++ WCA WCB WCC WCC WCDMA W-CDMA W-CDV WCIT WCL WCN WCN WE WN WCR WCR WCS WCS WCS W-CTI WCTP WD WD WD WDC W-DA WDCS W-DCS WDDI WDL WDM WDM WDM WDM WDM WDM

Welcome back Wideband Workbook Write Back Wait Before Acknowledgement (BSC) Warning, Bulletin, or Alert WATS Band Access Code Warnings, Bulletins, and Alerts Wide Band Channel Wideband Coupler Wideband DACS Web-Based Enterprise Management Wideband Bit Error Rate Test Wideband Frequency Modulation Wideband System Wireless Broadband System Work Breakdown Structure Web-Based Training Windows-Based Terminal Wideband TDMA Wideband Video Tape Recorder Wire Center Wire Chief World Coordinate Watcom C++ Wireless Cable Association Word Command Buffer WAN Communications Controller Wireline Common Carrier Wideband Code Division Multiple Access Wideband CDMA Tungsten Chemical Vapor Deposition World Conference on International Telecommunications Widget Creation Library Watchdog Counter Wireless Computer Network Wireless Customer Premises Equipment Wireless Customer Premises Network Watchdog Circuit Reset With Carriage Returns Wireless Communications Service World Coordinate System Writable Control Store Wireless Computer-Telephony Integration Wire Chief Test Western Digital Wiring Diagram Working Draft Wireless Development Centre Wireless Distributed Call Processing Architecture Wideband Digital Cross-Connect System Wideband Digital Crossconnect System Wavelength Distributed Data Interface Windows Driver Library Wave-Division Multiplexing Wavelength Division Multiplex Wavelength Division Multiplexed Wavelength Division Multiplexer Wavelength Division Multiplexing Wavelength-Division Multiplexer

WDM WDM WDS WDSS WDT WDT WE WE WE WE WE WE/WE WebGMS WebSCF WECo WEI WELL WEP WEP WEP WEPL WER WF WF WFA WFA WFA WFA/DI WFA/DO WFA-C WFB WFC WFD WFG WFG WfM WFMTUG WFQ WFW WfWG WG WG WG WG WGA WGC WGCC WGMS WGR WGS WGS WGSE WGSM WH WH WHAG WHAT WHAT W-HDTV WHMS

Win32 Driver Model Windows Driver Model Wireless Data System Workstation Dependent Segment Storage Watchdog Timer Weighted Down Time Warm Entry Warm Exit Weather Western Electric Write Enable Warm Entry/Warm Exit Web Gate Management System Web Software Change Form Western Electric Company Word Error Indicator Whole Earth 'Lectronic Link Windows Entry Point Windows Exit Procedure Wired Equivalency Privacy Weighted Echo Path Loss Word Error Rate ISO country code for Wallis and Futuna Islands Wildcard Filter Work and Force istration Work Force istration Workforce istration Work and Force istration/Dispatch In Work and Force istration/Dispatch Out Work and Force istration/Control Wireless Fixed Base Windows Foundation Classes Waveform Distortion Waveform Generator Windows For workGroups Wired for Management World Federation of MAP/TOP Groups Weighted Fair Queuing Windows for Workgroups Windows for Work Groups Wandel & Goltermann WaveGuide (Microwaves) Work Group Working Group Work Group Walking Grey Code Walking Grey Code Counter Web Gate Management System Waveguide Grating Router Work Group System WorkGroup Solutions Inc. WG Spectrum Engineering (ERC) Wireless Global Switching Module Walsh-Hadamard WattHour Windows Help Authoring Guide Windows Help Authoring Tools Wireless Hybrid Asynchronous Time-Bounded MAC Wide High DefinitionTeleVision Warehouse Management System

WHT Walsh-Hadamard Transform WI U.S. postal code for Wisconsin WI Work Item (ETSI) WIC Whole Internet Catalog WIDL Web Interface Definition Language WILL Wireless In Local Loop WIMG Write-Through, Caching-Inhibited, Memory-Coherency, and Guarded At tributes (Memory Mode Access Bits) WIMP Window-Icon-Mouse-Pointing (Windows, Icons, Mouse and Pulldown Men u) WIMP Windows, Icons, Menus, Pointers WIMP Workgroup Information Management Program Win Microsoft Windows WIN Windows Into Nortel WIN Wireless Intelligent Network WIN Worldwide Intelligent Network Win16 16-Bit Windows API Win32 32-Bit Windows API Win32c Win32 Compatible Win32s Win32 Subset API for 16-Bit Windows Win95 Microsoft Windows 95 WINE Windows Emulator WinG Windows Games Interface WinHEC Windows Hardware Engineering Conference WinNT Microsoft Windows NT WINS Windows Internet Name Service WinSock Windows Sockets WIP Work In Progress WIPO World Intellectual Property Organization (UN) WIRE Workable Interface Requirements Example WIRES Web Based Impact Report Entry System WIS Web Information System WIS Web-based Information System WISDN Wireless Intelligent Services Distributed Network WISE Windows Interface Source Environment WISE Wireless Internet Solution WISE WordPerfect Information Systems Environment wish Windowing Shell WISS Workstation Independent Segment Storage WISURD Worldwide Incremental Software Update Release and Distribution WITS Washington Interagency Telecommunications System WITS Workstation ISDN Terminal Simulator WITT Workstation Interactive Test Tools WIU Wireless Interface Unit WIXC Wavelength Interchanging Crossconnect WIZ Wizard File wk Week WK Wink WKG Working WKS Well-Known Services wksh Windowing Korn Shell WKSH Windowing Korn Shell (USL) WKTS Wireless Key Telephone System WL Wireless WLAN wireless local area network WLC World Line Card WLC-A World Line Card A WLC-B World Line Card B WLDS Wireless-Loop Distribution System WLL Wireless Local Loop

WLN WM WM WMAC WMC WMD WMF WMF WMF WMI WML WML WMO WMS WN WNC WNIG WO WO WOH WOM WOM WONA WOOD WORM WoS WOSA WOTS WOW WOW WOW WOW WOW WP WP WP WP WP WP WP WP WP WP WP/VWP WPA WPA WPABX WPC WPC WPC WPCom WPD WPG WPG WPL WPM WPM WPMS WPOS WPS

Warm Line Window Manager Window Message Wireless Media Access Control Watchdog Message Channel Wireless Mobile Data Windows Metafile Windows Metafile Format Wireless Message Format Windows Management Interface Warm Line Widget Meta Language World Meteorological Organization Writable Microstore Wrong Number Wireless Networks Calgary Wireless Networks and Interconnection Group Work Order Write-Only Work On Hand Word Organized Memory Write-Only Memory Wireless Open Network Architecture Write-Once Optical Disk Write-Once-Read-Many (Optical Disk) Web of Science Windows Open Services Architecture Wireless Office Telephone System Web-Oracle-Web Windows on Win32 Windows on Windows Wireless On Wireline Woody's Office Watch Watchpoint Wavelength Path Word Processing Word Processor WordPerfect Working Paper Working Party Working Procedures Write Protect Write Protected Wavelength Path/Virtual Wavelength Path Wrong Attempts Wrong Attempts (counter) Wireless Private Automatic Branch Exchange Wired Program Control Wireless Personal Communications WordPerfect Corporation Write Precompensation Windows Printer Description WordPerfect Graphics WordPerfect Graphics File Windows Portability Libraries WordPerfect Macro File Words Per Minute Workstation Performance Monitoring System Workplace OS Windows Printing System

WPS WPS WPU WPVM WRAM WRAP WRC WRC WRED WRI WRK WRK WRL WRMI WRQ WRR WRS WRS WRS wrt WRTC WRU WS WS WS WS WS WS WS WS WS WS WS WSA WSAT WSC WSCF WSD WSF WSG WSH WSI WSI WSJ WSL WSM WSN WSN WSP WSP WSR WSR WSR2 WSS WSS WSS WSS WSS WSSF WSSPR

Word Processing System Workplace Shell WordPerfect Units Windows Parallel Virtual Machine Windows RAM Workstation Remote Access Platform World Radio Conference World Radiocommunications Conference Weighted Random Eearly Detection Windows Write File Windows NT Resource Kit Working World Format We Really Mean It Write Request Watchdog Reference Wavelength-Routing Switch Wind River Systems Working Reference System With Respect To Working Reference Telephone Circuit Who Are You? ISO country code for Independent State of Western Samoa Wait State Wave Solder Window Size Window Style Wink Start Wire Send Word Separator Work Station Workspace Workstation Windows Sockets API Windows Sockets API Tester Wireless Systems Calgary Web Software Change Form Web Server Director Work Station Function Wired Shelf Group Windows Scripting Host Wafer-Scale Integration Wireless Services Interface The Wall Street Journal Wipro Systems Limited Wireless Switching Module MDII: No Start Dial- Wink Start, Steady On-Hook Wang Span Network Web Service Provider Wireless Services Provider MDII: No Start Dial- Wink Start, Steady Off-Hook Work Station REGRESS Work Station REGRESS II Wavelength Selective Switch Wide Screen Signalling Wideband Switched Service Wireless Subscriber System World Small Switch Workstation Function World Small Switch Project

WST Wireless Subscriber Terminal WSXC Wavelength Selective Crossconnect WT Wavelet Theory WT Working Team WT World Trade WT Write Through WT Writethrough WTA Wideband Test Access WTAC World Telecommunications Advisory Council WTB Wanted To Buy WTB Wireless Telecommunications Bureau WTC Wakeup Timer Capability WTDC World Telecommunication Development Conference WTDM Wavelength and Time-Division Multiplexing WTF Wanted To Find WTF World Telecommunication Forum WTG Way to go WTK Want To Know WTM Wavelength Terminal Multiplexer WTN Working Telephone Number WTO World Trade Organization WTO Write To Operator WTOR Write To Operator with Reply WTOS Wireless Telecommunications Office Systems WTR Wait-To-Restore WTR Wide Temperature Range WTS Wireless Telephony System WTS Word Terminal Synchronous WTS Workstation Technical Services WTSC World Telecommunication Standardization Conference (former CCITT P lenary Assembly) WU Western Union Telegraph Company WUC Wakeup Call WUCR Wake Up Call Reminder WUCR Wakeup Call Request WUI Web Interface WUI Western Union International WuOL Wakeup On LAN WUPE Wireless Premises Equipment WV U.S. postal code for West Virginia WV Work Volume WVAD Wireless Voice-Activated Dialing WVLAN Wireless Virtual Local Area Network WVPN Wireless Virtual Private Network WWB Writer's Workbench WWCJ GTE Automatic Electric World-Wide Communications Journal (periodic al) WWD World-Wide Demonstration WWIS World-Wide Information System WWLA Wideband Wireless Local Access WWP Windward Park WWSA World Wide Systems Architecture WWW World-Wide Web (Internet) WWWW World Wide Web Worm WXC Wavelength Cross-Connect WY U.S. postal code for Wyoming WYSBYGI What You See Before You Get It WYSIWYG What You See Is What You Get (Desk-Top Publishing) WZ World Zone WZ1 World Zone 1

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Execute Extend Reactance short used as x-coordinate Sticky transparent (BSC) X Window System CCITT Recommendation X.25 (for DTE operating in the packet mode) CCITT Recommendation X.25 [4] Packet Layer Procedures X.25 Service Supervisor X Window System Version 10 X Window System Version 11 X Window System Version 11 Release 4 X Window System Version 11 Release 5 X Window System Version 11 Release 6 CrossConnect Agent Exchange Access Extended Architecture X Window System Atom XA-Core Extended Architecture Core Extended Architecture Interconnect XPM Application Layer Exchange Access SMDS Mapping Entity Exchange Access Operations Management X.400 Application Programming Interface Association X-Windows Ameritec Remote Navigator Exchange Access SMDS XA-Core System Maintenance Extended Address Transfer Code X Window System Athena Widgets Library Crossbar Originating/Terminating BAF modifier service Crossbar XPM Bit Error Rate Testing Extension Bell XPM Base Layer Extended Basic Mode Transfer Bitmap X Bitmap Crossbar Tandem x Bit in y Quaternary (four-level signal) Cross-Connect Cross-Connection X Window System Cursor Xerox Character Code Standard X/Open Common Desktop Environment X Color Management System Cross-Connect Extended Common Object File Format Crossthreaded Call Processing 10 Call Seconds X/Open Calendaring and Scheduling API Transceiver

XD XDAT XDB xdb XDCCC XDF XDM XDM XDM XDR XDS XDS XDS xDSL x-DSL XER XFA XFC XFD XFER XFMR XFR XFS XGA XGM XGMS XI X.25 XIC XID XID XID xid XID XIE XIM Xinu XIP XIP XIP XIP XIWT XK XL XLA XLA XLA XLA XLA XLAB XLAR XLBUS XLC xLC XLCM XLFD Xlib XLIU XLPE XLS XM

transmitter/Distributor Transmit Data Extended Data Block HP Symbolic Debugger X Device Color Characterization Conventions Xrm Decrease Factor X Display Manager XRAY Debug Monitor X Display Manager Control Protocol eXternal Data Representation (NFS) Extended Debug System X/Open Directory Service XAPIA and X/Open Directory System API x-Digital Subscriber Line x-Digital Subscriber Line Exception Call Transfer Allowed Transfer Charge Call Transfer Denied Transfer transForMeR Transfer WOSA Extensions for Financial Services Extended Graphics Array Cross-Gain Modulation X-Windows Gate Management System SNA Interconnect X Input Context eXchange IDentification (HDLC, LLC) Exchange Identifier Transaction ID Transmission ID X-window Identification X Window System Imaging Extension X Input Method Xinu Is Not Unix eXecute In Place Execute Instruction Pointer Execute-In-Place Execution In Place Cross-Industry Working Team (US) X Window System Key Symbol Extended Line Translation Translation Manager Translation Utility translations Translator Translations Block Translations and Routing Extended Line Card Bus Translation Collector xDSL Line Card Extended LCM X Logical Font Description X Window System Library X.25/X.75/X.75' Link Interface Unit cross-Linked Plastic insulation Excel Spreadsheet File Exchange Manager

Xm XMAN XMHS XMHS XMIT XML XMM XMP XMS XMS XMT XMUX XNS XNS XNS XNS XO XOFF XOM XOM XOMMO XON XOR XOT XOW XPACS XPAM XPC XPC XPCM XPCS XPD XPD XPDR XPE XPG XPG XPG3 XPG4 XPI XPL XPM XPM XPM XPM XPS XPT XPT XPT XR XRA XRD XREF XRF XRF XRF XRII/TV XRL XRL XRL

X Window System Motif Library eXtended MAN Extended Message Handling System X/Open Message-Handling Service transMIT Extensible Markup Language Extended Memory Manager X/open Management Protocol Extended Memory Specification Extended Multiprocessor System Transmit trans-MUltipleXer Xerox (Inc.) Network Systems protocol Xerox Network Systems Xerox Networking Systems XNS Control Protocol crystal Oscillator OFF-signal X/Open OSI Abstract Data Manipulation API XAPIA and X/Open Object Management API Transactor OMMO ON- signal eXclusive OR X.25 Over T Express Order Wire X-Windows Patch istration Control System Transmit Pulse Amplitude Modulation X.25 Protocol Controller X.25 Protocol Controller (Digital Data Communications) Transmit PCM X Portable Character Set cross-Polar Discrimination cross-Polarization Discrimination transPonDeR Extended Peripheral Equipment X.400 Promotion Group X/Open Portability Guide X/Open Portability Guide, Issue 3 X/Open Portability Guide, Issue 4 cross-Polarisation Isolation Carrier Private Line Cross-Phase Modulation Extended Peripheral Module X Pixel Map XMS-Based Peripheral Module X.25/X.75 Process System Crosspoint Crosspoint Tandem eXternal Page Table indeX Ring Again Allowed Ring Again Denied cross-REFerence Cross-Reference extended recovery facility (SNA) Extended File X-Ray Image Intensifier / TeleVision (System, Medical) eXtra Requirement List IXIT Requirements List X-Ray Lithography

XRLCM XRS XRT XRU XS XSG XSH XSIS XSIS XSL XSM XSMD XST XSYCO XT XT XT XT Xt XTAL XTAL XTC XTC XTC XTI XTI XTL XTP XTP XTP XTPSG XTR XTT XTYP XUDT XUDTS XUG XUST XVR XWD XWD XXTRG

Remote Extended Memory Line Concentrating Module Unknown Message Response WOSA Extensions for Real-Time Data Extension Recording Unit Carrier Switched X.25/X.75 Service Group Xshell Xerox Special Information Systems Xerox System Integration Standard Extensible Stylesheet Language Extended System Monitor Extended Storage Module Drive MDII: Expected Stop Timeout XMS System Coder Crosstalk Cross-Threaded Extended eXtended Technology X Window System Toolkit (Intrinsics) Library (quarz) crysTAL Crystal Extended Test Controller External Transmit Clock heXadecimal Tone Code X/open Transport Interface (UNIX) X/Open Transport Layer Interface XPM Telecom Layer Exchange Termination Point Xpress Transfer Protocol Xpress Transport Protocol Exchange Termination Point Subgroup cross Talk Ratio Cross-Thread Trunk Exchange Type Extended Unitdata Extended Unitdata Service X s Group XPM Upgrade Software Tool Exchange Voltage Regulator X Window Dump X-Windows Bitmap XX Trigger for AIN

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ittance luminance luminance component short used as y-coordinate Yellow Yes Luminescence and Chrominance Yes/No Year 2000 Yet Another Yet Another Bloody Acronym Yet Another Compiler Compiler (UNIX)

YAG YAPL yar YBCO YCMB YD YE YE YFNSA YGWYPF YIG YIQ YL YMMV YP YPS YRGB YT YT YT YTD YTD YU YUV YUV

Yttrium-Aluminium-Garnet (Laser) Yet Another Programming Language Yet Another Ree Yttrium and Barium in Copper Oxide (Superconductive Material) Yellow, Cyan, Magenta and Black (4-colour printing) ISO country code for Democratic Yemen (obsolete) ISO country code for Yemen Year End Your Friendly Neighborhood System You Get What You Pay For Yttrium-Iron-Garnet (MicroWave Component) Luminance, Inphase color, Quadrature color Loop-Back Abstract Test Method Your Mileage May Vary Yellow Pages Yellow Pages Service luminance/Red/Green/Blue (Video) ISO country code for Mayotte Postal code for Yukon Territory Transverse Abstract Test Method Yacht Telephone Debit Year To Date ISO country code for Montenegro and Serbia (formerly Yugoslavia) Y, Cb, Cr Y-signal, U-signal, and V-signal

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impedance Zero Zero voltage reference Zulu time zone (GMT) Zero Effort Networking Zone Controller ISO country code for Republic of South Africa Zero istration Kit "ZAP" field used with INC ZAP to disable handsets Zone Activated Paging System Central Announcement Office Zero istration for Windows Impedance Balance Zero Byte Indicator Zero Byte Substitution Indication Zone Bit Recording Zero Byte Substitution Zero Byte Time Slot Interchange Zero Byte Time Slot Interface/Interchange Characteristic Impedance Zone Center Zone Code Zone Controller Zone Constant Angular Velocity Zoned Constant Angular Velocity Zero-Cross-Over Zero-Cross Point Zero-Cross Qualifier Zero Code Suppression Ziff-Davis

ZD Zoned Decimal ZDB Zortech Debugger ZDBOp Ziff-Davis Benchmark Operation ZDI Ziff-Davis Information Service ZDS Zenith Data Systems ZDW Zero-Dispersion Wavelength ZF Zero Flag ZF zero frequency ZFS Zone Field Selection ZGS Zeichengabesystem (Common Channel Signaling System) ZI Zentrale Instandhaltung (Central Maintenance) ZIF Zero Insertion Force ZIF Zero Insertion Force connector (IC Socket) ZIL Zig-zag In-Line ZIP Zig-Zag In-Line Package ZIP Zone Improvement Plan ZIP Zone Information Protocol ZL Complex Load Impedance ZM ISO country code for Republic of Zambia ZMD Zero Minus Denied ZMD Zero Minus Dialing ZMZPA Zero Minus Zero Plus Allowed ZPV Zoomed Port Video ZR ISO country code for Republic of Zaire ZRM Zonenruckmeldung (Chargeband Message) ZS Zero Substitution ZS Zone Selection ZSL Zero Slot Lan ZT Zone Time ZV Zoomed Video ZVEI Zentralverband Elektrotechnik- und Elektronikindustrie e. V. (Ger man electronics industry association) ZW ISO country code for Zimbabwe ZWR Zwischenregenerator (Regenerator) ZZk Zentraler Zeichengabekanal (Central Signalling Link) ZZK Zentraler Zeichenkanal (Common Signalling Channel)