A&EM Alarm & Event Management

A&VE Audio / Video Editor /

A-A Analog-Analog

A-D Analog-Digital

A/D Analog / Digital /

A/V Audio / Video /

A/VP Audio / Video Panel

AA Absolute Address

AA Access Agent

AA Arrival Angl

AA Automatic Alarm call

AA Automatic Answer

AA/G Application Agent / Gateway /

AAA Authentication, Authorization and Accounting

AAB Automatic Alternative Billing

AAB Automatic Answer Back

AAC Active Address Code

AAC Aeronautical Administrative Communication

AAC Automatic Alarm Call

AACS Asynchronous Address Communication System

AAD Adaptive Arithmetic Decoder

AAE Adaptive Arithmetic Encoder

AAF Access Adaption Function

AAF Analog Antialiasing Filter

AAIC Accounting Authority Identification Code

AAL ATM Adaptation Layer ATM

AAL1 ATM Adaptation Layer 1 ATM1

AAL2 ATM Adaptation Layer 2 ATM2

AAL3/4 ATM Adaptation Layer 3/4 ATM3/4

AAL5 ATM Adaptation Layer 5 ATM5

AALM ATM Adaptation Layer Module ATM

AAR Automatic Alternative Routing

AARE Application Association REsponse

AARQ Application Association ReQuest

AAS Advanced Administration System

AAS Automatic Addressing System

AAS Automatic Announcement Subsystem

AAS Automatic Audio Switching system

AAT Automatic Answer Trunk

AATS Alerting Automatic Telling Status

AAU Automatic Answering Unit

AAVD Automatic Alternate Voice / Data /

AB ABbreviated dialing

AB Address Bus

AB Aligned Bundle

AB Audio Bandwidth

ABC Address Bus Control

ABC Advanced Broadband Communications

ABC Analog Baseband Combiner

ABC Auto Billing Calling

ABC Automatic Bandwidth Control

ABC Automatic Bias Compensation

ABC Automatic Bias Control

ABC Automatic Broadcasting Control system

ABD ABbreviated Dialing

ABD Answer-Back Device

ABDL Automatic Binary Data Link

ABEP Advanced Burst Error Processor

ABER Average Bit Error Rate

ABF Air Blown Fiber

ABI Application Binary Interface

ABM Asynchronous Balanced Mode

ABOBA Asynchronous Bidirectional Optical Branching Amplifier

ABR Address Buffer Register

ABR Answer Bid Ratio

ABR Area Border Router

ABR Auromatic Bit Rate selection

ABR Available Bit Rate

ABS Access Barred Signal

ABS Alternate Billing Service

ABS Antipodal Baseband Signaling

ABT ATM Block Transfer ATM

AC Access Code

AC Access Concentrator

AC Access Control

AC Access Coupler

AC Access Cycle

AC Accounting Function

AC Advice of Charge

AC Application Channel

AC Application Context

AC Area Code

AC Armored Cable

AC Asynchronous Computer

AC Authentication Center

AC Authentication Code

ACA ACcounting Analysis

ACA Adaptive Channel Allocation

ACA Adjacent Channel Attenuation

ACA Automated Cable Analysis

ACB Automatic Call Back

ACC Account Card Calling

ACC ACCounting collection

ACC Asynchronous Communication Control

ACC Automatic Carrier Control

ACC Automatic Congestion Control

ACCA ACcounting Class Administration

ACCH Associated Control CHannel

ACCS Automatic Calling Card Service

ACD Automatic Call Distribution

ACD Automatic Call Distributor

ACDMA Advanced CDMA

ACE Access Connection Element

ACE Animated Computer Education

ACE Automatic Calling Equipment

ACE Auxiliary Control Element

ACF Access Control Field

ACF Advanced Communications Function

ACF Authentication Control Function

ACF Automatic Colour Filter

ACH Answer CHarge

ACHI Application CHannel Interface

ACI Access Control Information

ACI Adjacent Channel Interference

ACI Asynchronous Communication Interface

ACIA Asynchronous Communication Interface Adapter

ACL Access Control List

ACL Advanced Communication Link

ACL Application Control Language

ACL Authorized Component List

ACM Access Control Module

ACM Address Complete Message

ACM Alarm Control Module

ACM Application Control Management system

ACM Association for Computing Machinery ()

ACM Automatic Coding Machine

ACM Auxiliary Control Module

ACO Alarm Cut-Off

ACP ACtion Point

ACP Agent Creation Point

ACPM ATM Central Process Module ATM

ACR Access Control Register

ACR ACcounting Registration

ACR Allowed Cell Rate

ACR Attenuation-to-Crosstalk Ratio

ACR Automatic Call Recording

ACR Automatic Character Recognition

ACR Available Cell Rate

ACR Average Cell Rate

ACRE Automatic Call Recording Equipment

ACS Access Control Server

ACS Access Control System

ACS Admission Control Service

ACS Advanced Cryptographic System

ACS Alarm Call Service

ACS All Channel Signaling

ACS Association Control Service element

ACS Asynchronous Communication Server

ACS Audio Communication System

ACS Automatic Call Sender

ACS Automatic Coding System

ACSE Association Control Service Element

ACT Automatic Computer Testing

ACTS Advanced Communication Technologies and Services

ACTTAB ACTion TABle

ACU Access Control Unit

ACU Automatic Calling Unit

AD Address Decoder

AD Administrative Domain

ADAC Automatic Data Acquisition Center

ADC ADdress Complete

ADC Analog-Digital Converter

ADCC Asynchronous Data Communication Channel

ADCCP Advanced Data Communications Control Procedure

ADCP Advanced Data Communication Protocol

ADE Automatic Data Entry system

ADF Authentication Data Function

ADH Asynchronous Digital Hierarchy

ADI ADdress Incomplete

ADIX Advanced Digital Information eXchange

ADL Administration Description Language

ADL Application Development Language

ADL Automatic Data Link

ADLC Advanced Data Link Control

ADLC Analogue-Digital Line Converter -

ADM Adaptive Delta Modulation

ADM Add / Drop Multiplexer

ADM Automated Data Management

ADN Administration Data Network

ADNSC Automatic Digital Network Switching Center

ADP Acoustic Data Processor

ADP Associative Data Processing

ADP Automatic Data Processing

ADP Automatic Data Processor

ADPCM Adaptive Differential PCM

ADPLL All Digital Phase-Locked Loop

ADPS Automatic Data Processing System

ADPS Auxiliary Data Processing System

ADR Address Digit Receiver

ADR ADdress Register

ADR ADvisory Route

ADS Abbreviated Dialing Service

ADS Active Double Star

ADS Advanced Debugging System

ADS Advanced Display System

ADS Analog Display Service interface

ADS Application Development System

ADS Asynchronous Data Service

ADS Automatic Digital Switch

ADSL Asymmetric Digital Subscriber Line

ADSL Asymmetric Digital Subscriber Loop

ADSS All-Dielectric Self-Supporting optic fiber cable

ADT Assured Data Transfer

ADT Automatic Data Test system

ADU Automatic Dialing Unit

AE Animation Editor

AE Application Entity

AE Audio Equipment

AES Advanced Encryption Standard

AEST Automated Enhanced Security Tool

AET Average Execution Time

AF Access Facilities

AF Adaption Facility

AF Adaption Function

AF Assured Forwarding

AF Audio-Frequency

AF-PHB Assured Forwarding PHB group PHB

AFI Authority and Format Identifier

AFI Authority Format Identifier

AFIPS American Federation of Information Processing Society

AFP Advanced Function Printing

AFR Automatic Flexible Routing

AFSK Audio Frequency Shift Keying

AFT Adapter Fault Tolerance

AFT Asynchronous Frame Technology

AG Application Gateway

AGC Automatic Gain Control

AGCH Access Grant CHannel

AGS Application Generator System

AH Authentication Header

AHT Average Handling Time

AHT Average Holding Time

AI Alarm Indication

AI Artificial Intelligence

AI Automatic Inspection

AIDS Advanced Interactive Display System

AIFF Audio Interchange File Format

AIL Artificial Intelligence Language

AIL Audio Interface Library

AIM Address Indexing Method

AIM Advanced Image Management system

AIM Advanced Information Manager

AIM Advanced Interface Module

AIM Asynchronous Interface Module

AIMUX ATM Inverse MUltipleXing ATM

AIN Advanced Intelligent Network

AIN Asia Internet Network

AIRS Automatic Image Retrieval System

AIS Alarm Indication Signal

AIS Automatic Information System

AIS Automatic Intercept System

AIU Alarm Interface Unit

AIU ATM Interface Unit ATM

AIX Advanced Interactive eXecutive

AL Address Line

AL Application Layer

AL Audio Language

AL Audio Library

ALAN Advanced Local Area Network

ALB Automatic Loop Back

ALC Analog Line Card

ALE Automatic Laser Encoder

ALE Automatic Link Establishment

ALI Asynchronous Line Interface

ALIM ATM Line Interface Module ATM

ALP Automated Learning Process

ALS Automated Location System

ALT Algorithmic Learning Theory

ALT Automatic Line Test

AM Access Module

AM Address Mark

AM-VSB Amplitude Modulation Vestigial Side-Band

AMA Action Media Adapter

AMA Automatic Message Accounting

AMC Alternate Media Center

AMC ATM inter-Module Connector ATM

AMCP Advanced Multimedia Communication Protocol

AMCR Adaptive Multimedia Communication Routing

AMES ATM Mobility Extension Service ATM

AMF Authentication Management Function

AMHS Automatic Message Handling System

AMI Alternative Mark Inversion

AMIS Audio Message Interactive Specification

AMME Automatic Multi-Media Exchange

AMPE Automated Message Processing Exchange

AMPS Advanced Mobile Phone System

AMR Adaptive Multiple Rate

AMSIA AV Multimedia Service Implementation Agreement

AN Access Network

AN Access Node

AN Active Network

AN Active Node

ANAS ATM Network Access Subsystem ATM

ANCC Access Network Control Center

AND Automatic Network Dialing

ANI Automatic Number Identification

ANM ANnouncement Machine

ANMP Account Network Management Program

ANN Artificial Neural Network

ANS Access Network System

ANSA Advanced Network System Architecture

ANSI American National Standard Institute

ANSS Access Network Support System

ANTC Advanced Network Test Center

AO Automated Office

AOC Advice Of Charge

AOC All-Optical Communication

AOD Active Optical Device

AOF Active Optical Fiber

AON Active Optical Network

AON All Optical Network

AOS Advanced Operating System

AP Access Point

AP Access Protocol

AP Analysis Point

APCM Adaptive Pulse Code Modulation

APD Avalanche Photo Diode

APDU Application Protocol Data Unit

APE Adaptive Prencdictive Encoding

APE Animation Production Environment

API Application Program Interface

APII Asia Pacific Information Infrastructure

APMT Asia Pacific satellite Mobile Telecommunication

APON ATM Passive Optical Network ATM

APPN Advanced Peer-to-Peer Networking

APS Automatic Protection Switching

APSK Amplitude Phase Shift Keying

APU Audio Processing Unit

APWS Automation Placement Wiring Subsystem

AR Address Register

AR Alternate Route

AR Artificial Reality

ARC Administrative Radio Conference

ARF Access link Relay Function

ARM Asynchronous Response Mode

ARP Address Resolution Protocol

ARPANET Advanced Research Projects Agency NET ()

ARQ Automatic Repeat reQuest

ARR Automatic ReRouting

ARS Auto Rate Selection

ARS Auto Response System

AS Absent-Subscriber

AS Activity Scanning

AS Anti-Spoofing

AS Assured Service

AS Authentication Server

AS Autonomous System

ASAP Application Service Access Point

ASB Asymmetric Switched Broadband

ASBR Autonomour System Border Router

ASCII American Standard Code for Information Interchange

ASD Automatic Synchronized Discriminator

ASE Amplified Spontaneous Emission

ASE Application Service Element

ASE Application System Entity

ASE ATM Switching Element ATM

ASF Air-Supported Fiber

ASI Alternate Space Inversion

ASIC Application Specific Integrated Circuit

ASIM ASynchornous Interface Module

ASK Amplitude Shift Keying

ASLC Analog Subscriber Line Circuit

ASM ATM Switching Mode ATM

ASN ATM Switching Network ATM

ASN.1 Abstract Syntax Notation One 1

ASNA ATM-based Signaling Network Architecture ATM

ASP Active Server Pages

ASP Advanced Speech Processing

ASP Analog Signal Processor

ASP Application Service Provider

ASQS Application Specific Quality of Service

ASR Access Service Request

ASR Automated Speech Recognition

ASR Automatic Speech Retrival

ASS Audio SubSystem

ASSP Application Specific Standard Product

AST Asynchronous Shared Terminal

AST Authoring Software Tools

ASU ATM Service Unit ATM

ASU ATM Subscriber Unit ATM

ASV ATM-based Scalable Video ATM

ASVD Analog Synchronous Voice Data

ASW Acoustic Surface Wave

ASYI ASYnchronous Interface

AT Acceptance Test

AT Analog Trunk

ATA Asynchronous Terminal Adapter

ATA Automatic Trouble Analysis

ATBM Average Time Between Maintenance

ATC Adaptive Transform Coding

ATC ATM Transfer Capability ATM

ATD Asynchronous Time Division

ATDM Asynchronous Time Division Multiplexing

ATI Alarm Transmission Interface

ATIS Automatic Terminal Information Service

ATL Active Template Library

ATMAsynchronousTrunkModuleATMAsynchronousTransferModeATMAutomaticTellingMachineATM-NICATM-NetworkInterfaceCardATMATM-PONATM-PassiveOpticalNetworkATMATM-SDUATM-ServiceDataUnitATMATM-SLICATM-SubscriberLineInterfaceCircuitATMATM-SWATMSWitchATM()ATM-UNIATM-UserNetworkInterfaceATMATM-XCATM-CrosS-ConnectATMATMEAutomaticTransmissionMeasuringEquipmentATMOSATMOpticalSwitchingATMATNAdditionTransitionNetworkATNAugmentedTransitionNetworkATPGAutomaticTestPatternGeneratorATRACAdaptiveTRansformAcousticCodingATSAutomaticTestingSystemATSAutomaticTranslationSystemATSAutomaticTuningSystemATTAddressTranslationTableATTAutomaticTestTerminalATU-CADSLTransceiverUnit-CentrolofficeADSLATU-RADSLTransceiverUnit-RemoteterminalADSLAUAccessUnit()AUAdapterUnitAUAdministrativeUnitAUAuthenticationofUserAUAPAUAccessPointAUCAUthenticationCenterAUIAttachmentUnitInterfaceAUMAsynchronousUserModuleAUPAcceptableUsePolicyAUPTRAdministrationUnitPoinTeRAUTZCAUThoriZationCodeAVAnalogVideoAVAnalogVoiceAVAudio-VisualAVCAudioforVideo-ConferencingAVCAudioVisualConnectionAVCAuralandVisualCodeAVCDAudioVideoCompressionDiskAVDAlternateVocieandDataAVDAudioVideoDriverAVDSAutomaticVoiceDataSwitchingAVDSPAudioVideoDataSignalProcessorAVEAudioVideoEngineAVIAudioVideoInteractiveAVIAudioVideoInterlaced()AVIAudioVideoInterleaveAVIDAdvancedVisualInformationDisplayAVISAudio-VisualInformationSystemAVISAudio-VisualInteractionServiceAVKAudioVideoKernelAVLAudioVideoLibraryAVLNAutomatedVehicleLocationandNavigationAVMAudio-VisualModulatorAVPAdvancedVideoProductsAVPAnalogVideoProcessorAVPAudio-VideoProcessor-AVRAutomaticVoiceRecognitionAVRAutomaticVoiceRelayAVSAidedVideoSystemAVSApplicationVisualizationSystemAVSAudio/VideoServerAVSSAudioVideoSubSystemAVSSAudioVidioSupportSystemAWAATMWirelessAccessATMAWACSATMWirelessAccessCommunictionSystemATMAWGNAdditiveWhiteGaussianNoiseAXCATMCrosSConnectATMB-BCC Broadband Bearer Connection Control

B-DCN Backbone Data Communication Network

B-ET Broadband Exchange Termination

B-ISDN Broadband Integrated Services Digital Network

B-NT Broadband Network Termination

B-TA Broadband Terminal Adaptor

B-TE Broadband Terminal Equipment

B-UNI Broadband User Network Interface

B2B Business to Business ()

B2C Business to Consumer ()

BA Bandwidth Allocation

BA Basic Access

BA Building Automation

BA Business Audio

BAC Bus Adapter Control

BACP Broadband Assign Control Protocol

BACP Broadcasting Authorization Control Protocol

BAICD Blind Anchored Interference-Cancelling Detector

BAP Basic Audio Processor

BAP Broadband Access Point

BAR Base Address Register

BAS Bit-rate Allocation Signal

BAS Broadband Access Server

BAS Building Automation System

BAT Bandwidth Allocation Threshold

BATE Baseband Adaptive Transversal Equalizer

BATMAN Banyan ATM Architectural Network ATM()

BAU Broadband Access Unit

BBA BroadBand Access

BBCC BroadBand Communication Channel

BBE Background Block Error

BBE Better than Best-Effort service

BBER Background Block Error Ratio

BBM BaseBand Modem

BBN BroadBand Network

BBS Bulletin Board Service

BBS Bulletin Board System

BBU Bandwidth Based Unit

BBX Base Band eXchange

BC Bearer Capability

BC Bearer Channel

BC Bearer Circuit

BC Bearer Control

BC Billing Center

BCC Bearer Channel Connection

BCC Bearer Connection Control

BCC Block Character Check

BCC Blocked Call Cleared

BCC Broadband Communication Channel

BCCH Broadcast Control CHannel

BCCP Bearer Channel Control Protocol

BCD Binary Coded Decimal

BCDS Broadband Connectionless Data Service

BCF Bearer Control Function

BCH Broadcast CHannel

BCM Basic Call Management

BCN Broadband Communication Network

BCP Basic Call Processing

BCPN Business Customer Premises Network

BCS Block Check Sequence

BCSM Basic Call State Model

BCT Bandwidth Coding Technique

BCT Bandwidth Compression Technique

BCT Basic Color Term

BCU Basic Communication Unit

BCUSM Basic Call Unrelated State Model

BDB Bidirectional Data Bus

BDFC Bi-Directional Fiber-Coax -

BDGP Broadcasting Data packet Grouping Protocol

BDI Business Data Interchange

BDSL Broadband DSL

BDSL Broadcast DSL

BE Best-Effort service

BEC Backward Error Correction

BECN Backward Explicit Congestion Notification

BER Bit Error Rate

BERT Bit Error Rate Testing

BEX Broadband EXchange

BF Base Frame

BFCFC Broadcast Feedback Channel Flow Control

BFT Binary File Transfer

BFTP Broadcasting File Transfer Protocol

BG Base Group

BG Border Gateway

BGF Basic Global Function

BGP Border Gateway Protocol

BGP4 Border Gateway Protocol version 4 4

BGV Back Ground Video

BHCA Busy Hour Call Attempt

BHCA Busy Hour Calling Amount

BHM Basic Hypermedia Model

BI Bus Interface

BI Business Intelligence

BIB Backward Indicator Bit

BIC Bearer Identification Code

BIDS Broadband Integrated Distribution Star network

BIGFON Broadband InteGrated Fiber Optic Network

BIL Bus Interface Logic

BIN Business Information Network

BIP-ISDN Broadband, Intelligent and Personalized ISD ISDN

BIPS Billion Instructions Per Second /

BIS Business Information System

BISUP Broadband ISDN User Part ISDN

BITS Building Integrated Timing System

BIU Basic Information Unit

BLER BLock Error Rate

BLNT Broadband Local Network Technology

BLP Bypass Label Processing

BLR BLocking Request

BLS Broadband Local Switch ()

BLU Basic Link Unit

BM Bandwidth Manager

BM Buffer Memory

BMA Block Matching Algorithm

BMC Bus Master Controller

BMP Billing Management Poin

BMS Billing and Management System

BMS Building Management System

BMTS Bandwidth Manager and Traffic Scheduler

BMU Basic Measurement Unit

BN Backbone Network

BN Balancing Network

BNN Boundary Network Node

BNS Broadband Network Services

BO-EOC Bit-Oriented Embedded Operations Channel

BOA Basic Object Adapter

BOAN Business-oriented Optical Access Network

BOD Bandwidth On Demand

BOM Beginning Of Message

BON Building-Out Network

BONI Basic Optical Network Interface

BONT Broadband Optical Network Terminal

BOP Beginning Of Packet

BOP Bit-Oriented Protocol

BOS Basic Operating System

BP Back Propagation

BPA Back Propagation Algorithm

BPDU Bridge Protocol Data Units

BPF Band Pass Filter

BPI Bit Per Inch /

BPON Broadband Passive Optical Network

BPR Business Process Reengineering

BPS Bits Per Second /

BPSS Basic Packet Switched System

BPX Broadband Packet eXchange

BR Backward Reporting

BR Bandwidth Renegotiation

BR Border Router

BRA Basic Rate Access

BRAN Broadband Radio Access Network

BRF Bandwidth Request Field

BRI Basic Rate Interface

BRI-ISDN Basic Rate Interface-ISDN -ISDN

BRP Bandwidth Request PDU

BRP Basic Reservation Protocol

BRSU Broadband Remote Switch Unit

BS Base Station

BS Beam Splitter

BS Broadcast Satellite

BS Bus System

BSAP Broadband Service Access Point

BSC Base Station Controller

BSD Base Station Demodulator

BSIC Base Station Identification Code

BSL Buried Service Lightguide cable

BSM Backward Set-up Message

BSM Base Station Manager

BSM Base Station Modulator

BSN Backward Sequence Number

BSN Broadband Service Node

BSN Broadcast and Select Network

BSP Bulk-Synchronous Parallel

BSS Base Station Subsystem

BSS Base Station System

BSS Broadband Switching System

BSS Broadcast Satellite Service

BSS Bulk Storage System

BSSGP BSS GPRS Protocol BSS GPRS

BSU Base Station Unit

BSU Bearer Switchover Unit

BSU Bypass Switch Unit

BSVC Broadcast Signaling Virtual Channel

BTCP Broadcasting Transfer Control Protocol

BTP Bulk Transfer Protocol

BTS Base Transceiver Station

BTU Basic Transmission Unit

BU Branching Unit

BUS Broadcast and Unknown Server

BUTICS BUilding Total Information and Control System

BW Both Way

BWA Broadband Wireless Access

BWDM Bandpass Wavelength Division Multiplexer

BWLL Broadband Wireless Local Loop

BWR BandWidth Radio

BWSC Broadband Wireless Service Center

BWT BothWay Trunk

BWU BandWidth Utilization

C&C Computer & Communication

C/D Coder / Decoder /

C/N Carrier-to-Noise ratio

C/R Command / Response (bit) /()

C2B Customer to Business ()

C3(3C) Computer, Communication, Control

C3I Command, Control, Communication and Intelligence

C4I Command, Control, Communication, Computer and Intelligence

C5(5C) Computer, Communication, Content, Customer and Control

C7 CCITT No.7 signaling CCITT

CA Call Agent

CA Certificate Authority

CA Charging Analysis

CA Collision Avoidance

CA Communication Automation

CA Congestion Avoidance

CAA Computer Assisted Animation

CAAD Computer Aided Architecture Design

CAAS Computer-Assisted Animation System

CAC Call Admission Control

CAC Computer Aided Creating

CAC Computer Assisted Composition ()

CAC Computer-Assisted Counseling

CAC Connection Admission Control

CAD Computer Aided Design

CAD Computer-Aided Diagnosis

CAE Computer-Aided Education

CAE Computer-Aided Engineering

CAE Customer Application Engineering

CAI Common Air Interface

CAI Computer-Aided Instruction

CAI Computer-Assisted Interrogation

CAIRS Computer-Assisted Information Retrieval System

CAL Computer-Assisted Learning

CAM Computer Added Manufacturing

CAM Core Access Module

CAMC Customer Access Maintenance Center

CAMEL Customized Application for Mobile Enhanced Logic

CAMPER Computer Aided Movie PERspectives

CAN Cable Area Network

CAN Campus Area Network

CAN City Area Network

CAN Compact Access Node

CAN Customer Access Network

CAP Cable Access Point

CAP Carrierless Amplitude Phase ()

CAP Channel Assignment Problem

CAP Competitive Access Provider

CAPTAIN Character And Pattern Telephone Access Information Network system

CAR Channel Assignment Register

CAR Committed Access Rate

CAR Computer-Assisted Retrieval

CARD Channel Allocation and Routing Data

CAS Channel Associated Signaling

CASE Common Application Service Element

CASE Computer Aided Software Engineering

CASE Computer Aided Systems Evaluation

CAT Computer Aided Testing

CAT Computer-Aided Translation

CATA Computer Assisted Traditional Animation

CATS CAble Transfer Splicing

CATV CAble TeleVision

CATV Community Antenna TeleVision

CAU Cell Antenna Unit

CAVE Cellular Authentication Voice Encription

CAVG Computer Assisted Video Generation

CAW CAll Waiting

CB Communication Bus

CBDS Connectionless Broadband Data Service

CBK Call BacK

CBMA Computer-Based Music Analysis

CBQ Class-Based Queuing

CBR Constant Bit Rate

CBR Constraint Based Routing

CBR Content Based Retrieval

CBR Continuous Bit Rate

CBSRP Capacity-Based Session Reservation Protocol

CBX Computerized Branch eXchange

CC Call Collision

CC Call Control

CC Color Compensation

CC Color Correction

CC Compression and Coding

CC Connection Confirmation

CC Convolutional Coding

CC Credit Card

CCA Call Control Agent

CCA Common Communication Adapter

CCA Common Cryptographic Architecture

CCAF Call Control Access Function

CCAF Call Control Agent Function

CCB Call Control Block

CCB Connection Control Block

CCB Customer Care and Billing

CCBS Completion of Call to Busy Subscriber

CCC Color Cell Compression

CCC Computer Communication Converter

CCC Credit Card Calling

CCCH Common Control CHannel

CCD Charge Coupled Device

CCDMA Cooperative CDMA CDMA

CCDN Corporate Consolidation Data Network

CCDU CES Channels Dispatch Unit

CCE Cooperative Computing Environment

CCF Call Control Function

CCF Communication Control Field

CCF Connection Control Function

CCH Control CHannel

CCI CoChannel Interference

CCI Conference Call Indicator

CCIR International Radio Consulative Committee

CCIS Coaxial Cable Information System

CCIS Common-Channel Interoffice Signaling

CCITT International Telegraph and Telephone Consultative Committee

CCLN CDMA Cellular Land Network CDMA

CCP Call Confirmation Procedure

CCP Call Control Procedure

CCP Call Control Processor

CCP Communication Control Processor

CCP Cross-Connection Point

CCPCH Common Control Physical Channel

CCR Call Congestion Ratio

CCS Call Connected Signal

CCS Centi-Call Seconds

CCS Common Channel Signaling

CCS Control Coordination System

CCS7 Common Channel Signaling No.7

CCSA Common-Control Switching Arrangement

CCSE Common Channel Signaling Equipment

CCSM Common Channel Signaling Module

CCSN Common Channel Signaling Network

CCSS Common Channel Signaling System

CCTV Closed-Circuit TeleVision

CCU Communication Control Unit

CD Call Deflection

CD Call Distribution

CD Cell Delay

CD Collision Detection

CD Compact Disc

CD Compressed Data

CD-DA Compact Disc Digital Audio

CD-DV Compact Disc Digital Video

CD-G Compact Disc-Graphics

CD-I Compact Disc-Interactive

CD-MO Compact Disk Magnet Optical

CD-R Compact Disc Recordable

CD-R Compact Disc-Recorder

CD-ROM Compact Disc-Read Only Memory

CD-RW Compact Disc ReWritable

CD-UDF Compact Disc Unified Disk Format

CD-V Compact Disc-Video

CD-WO Compact Disc Write Once

CD-WOEA Compact Disc Write Once Extend Area

CD-WORM Compact Disc-Write Once Read Many

CDB Common Data Base

CDB Common Data Bus

CDDI Common Distributed Data Interface

CDDI Copper Distributed Data Interface

CDE Collaboration Development Environment

CDE Compact Disc Erasable

CDF Communication Data Field

CDFM Compact Disc File Manager

CDFS Compact Disc File System

CDG CDMA Development Group CDMA

CDHS Comprehensive Data Handling System

CDI CalleD line Identity

CDIS Common Data Interface System

CDL Common channel Data Link

CDLI CalleD Line Identity

CDM Code Division Multiplexing

CDMA Code Division Multiple Access

CDN Content Delivery Network

CDNM Cross-Domain Network Manager

CDP Customer Data Processing

CDPC Central Data Processing Computer

CDPD Cellular Digital Packet Data

CDPS Central Data Processing System

CDR Call Data Recording

CDR Call Detail Record

CDR Call Detail Recorder

CDR Capacity to Demand Ratio

CDR Charging Data Recording

CDRAM Cache Dynamic Randon Access Memory DRAM

CDRTOS Compact Disc Real Time Operating System

CDS Compressed Data Storage

CDS Computerized documenttion Service

CDSS Compressed Data Storage System

CDV Cell Delay Variation

CDV Compressed Digital Video

CDVT Cell Delay Variation Tolerance

CE Call Establishment

CE Circuit Emulation

CE Computing Environment

CE Connecting Element

CE Convolutional Encoder

CEC Cell Error Control

CEN Cell Error Number

CEP Call set-up Error Probability

CEPT Conference European Post et de Telecom

CER Cell Error Rate

CES Circuit Emulation Service

CES Coast Earth Station

CES Communication Engineering Standard

CEST Coast Earth Station Telex

CF Call Forwarding

CF Conversion Facility

CF Core Function

CFA Capacity and Flow Assignment

CFB Call Forwarding Busy

CFN Carrier Frequency Net

CFNR Call Forwarding No Rely

CFR Cell Failure Ratio

CFR Channel Failure Ratio

CFS Call Failure Signal

CFU Call Forwarding Unconditional

CG Charging Gateway

CG Computer Graphics

CGC Charge Generation Control

CGC Circuit-Group-Congestion

CGH Computer-Generated Holograms

CGI Common Gateway Interface

CGI Computer Graphics Interface

CGM Computer Graphics Metafile

CGP Computervision Graphics Processor

CH Call Handler

CHA Call Hold with Announcement

CHAN CHarge ANalysis

CHAP Challenge Handshake Authentication Protocol

CHAS CHannel Associated Signaling

CHC CHannel Controller

CHD Call HanDling

CHI CHannel Interface

CHILL CCITT High Level Language CCITT

CHRFLAG CHaRging FLAG

CHRMT CHaRging MeThod

CHS Call Hold Service

CHT Call Holding Time

CI Cell Identity

CI Cluster Interface

CI Command Identifier

CI Computer Interconnect

CI Congestion Indication

CI Crossbar Interconnection

CI Customer Installation

CIC Ciucuit Identification Code

CIC Communications Intelligence Channel

CICS Customer Information Control System

CID Call Instance Data

CID Caller IDentification

CID Channel IDentifier

CIDFP Call Instance Data File Point

CIDR Class Inter-Domain Routing

CIDR Classless Inter Domain Routing

CIF Common Intermedia Format

CIFS Common Internet File System

CIG Cell Interconnection Gateway

CIG Computer Image Generator

CIG Computerized Interactive Graphics

CIL Call Identification Line

CIM Computer Input Media

CIM Computer Input Microfilm

CIM Computer Integrated Manufacturing

CIM Control Interface Module

CIM Common Information Model

CIMS Computer Integrated Manufacturing System

CIO Chief Information Officer

CIP Call Information Processing

CIP Congestion Indication Primitive

CIPOA Classical IP Over ATM ATMIP

CIR Calling-line-Identity-Request

CIR Committed Information Rate

CIS CDMA Interconnect Subsystem CDMA

CIS Customer Information System

CIU Cell Input Unit

CIW Customer Information Warehouse

CIX Commercial Internet eXchange

CKE Chinese Keypad Entry

CKO Chief Knowledge Officer

CL-PDU ConnectionLess Protocol Data Unit

CL-SCCP ConnectionLess SCCP SCCP

CLASS Custom Local Area Signaling System

CLASS Customized Local Access Signaling Service

CLBM CLassical Broadcasting Model

CLD Cell Loss Detection

CLEC Competitive Local Exchange Carrier

CLI Calling Line Identification

CLI Command Line Interface

CLIF Called Line Identification Facility

CLIP Calling Line Identification Presentation

CLIP CLassical over IP IP

CLIR Calling Line Identification Restriction

CLIRI Calling Line Identification Request Indication

CLIS Called Line Identification Signal

CLLM Consolidated Link Layer Management message

CLM ConnectionLess service Module

CLNAP ConnectionLess Network Access Protocol

CLNP ConnectionLess Network Protocol

CLNS ConnectionLess Network Service

CLP CaLl Processor

CLP Cell Loss Priority

CLP Cell Loss Probability

CLPI Cell Loss Priority Indication

CLR Cell Loss Rate

CLR Cell Loss Ratio

CLR Computer Language Recorder

CLS Channel Load Sensing

CLS Controlled Load Service

CLS Customer Link Service

CLSF ConnectionLess Service Function

CLSP Channel Load Sensing Protocol

CLSS Communication Link SubSystem

CLT Communication Line Terminal

CM Cable Modem

CM Call Manager

CM Call Monitor

CM Cell Merger

CM Coherence Multiplexing

CM Configuration Management

CM Connection Manager

CM Connection Matrix

CM Continuous Media

CM/SCM Coherence Multiplexing / SubCarrier Multiplexing /

CMA Coherence Multiple Access

CMAC Control Mobile Attenuation Code

CMC Call Modification Completed message

CMC Coherent Multi-Channel

CMC Concurrent Media Conversion

CMC CUG Management Center CUG

CMCB CoMmunication Control Block

CME Communication Management Entity

CME Connection Management Entity

CMI Call Management Information

CMI Coding Method Identifier

CMIP Common Management Information Protocol

CMIP Common Management Interface Protocol

CMIS Common Management Information Service

CMIS/P Common Management Information Service / Protocol /

CMISE Common Management Information Service Element

CMM Cell Management Module

CMN Cell Misinsertion Number

CMP Content Management and Protection

CMP Customer Management Point

CMR Call Modification Request message

CMR Cell Misinsertion Rate

CMRFI Cable Modem RF Interface

CMRM Call Modification Reject Message

CMRTS Celulla Mobile Radio Telephone System

CMS Call Management System

CMS Cluster Management System

CMS Conversational Monitor System

CMT Cellular Message Telecommunications

CMTS Cable Modem Termination System

CMTS Centralized Maintenance Test System

CMW Common MiddleWare

CN Core Network

CNA Communication Network Architecture

CNA Cooperative Networking Architecture

CNC Congestion Notification Cell

CNCC Customer Network Control Center

CNDP Communication Network Design Program

CNII China National Information Infrastructure

CNLP Connectionless Network Layer Protocol

CNM Centralized Network Management

CNM Customer Network Management

CNMI Communications Network Management Interface

CNN Cellular Neural Network

CNNS Connectionless Node Network Service

CNP Communications Network Processor

CNR Carrier Noise Ratio

CNS Communications Network System

CO Central Office

CO Connection-Oriented

CO-SCCP Connection-Oriented SCCP SCCP

COA ChangeOver Acknowledge

COAT Coherent Optical Adaptive Technique

COBOL COmmon Business Oriented Language

COC Central Office Connection

COC COnsulation Calling

COCF Connection-Oriented Convergence Function

CODEC COder-DECoder

COFDM Coding Orthogonal Frequency Division Multiplex

COH Connection OverHead

COI Central Office Interface

COIP COnnected line Identification Presentation

COIP Connection-Oriented Internet Protocol

COIR COnnected line Identification Restriction

COIU Central Office Interface Unit

COL Computer-Oriented Language

COL COnnect Line identity

COLI COnnected Line Identity

COLP COnnected Line identification Presentation

COM Common Object Model

COM Continuation Of Message

COM Centralized Operation and Maintenance

COM/CM Common Object Model / Continuation of Message /

COMC Centralized Operations and Maintenance Center

CONF CONFerence calling

CONP Connection Oriented Network layer Protocol

CONS Connection-Oriented Network Service

COO Cost Of Ownership

COP Character-Oriented Protocol

COP Cohenrent Optical Processor

COP Continuation Of Packet

COPS Common Open Policy Service

COQ Channel Optimized Quantizer

CORBA Common Object Request Broker Architecture

COS Cell Output Switch

CoS Class of Service

COS Communications-Oriented Software

COS Cooperation for Open Systems

COSS Common Object Services Specifications

COT Central Office Terminal

COT Class Of Traffic

COT Class Of Trunk

COTS Connection Oriented Transfer Service

COVQ Channel-Optimized Vector Quantization

CP Collision Presence

CP Common Part

CP Connection Point

CP Consolidation Point

CP Content Provider

CP Customer Premise

CPA Computer Performance Analysis

CPB Channel Program Block

CPBX Centralized Private Branch exchange

CPC Call Processing Control

CPCS Common Part Convergence Sublayer

CPCS-PDU CPCS-Protocol Data Unit

CPCS-SDU CPCS-Service Data Unit

CPE Customer Premises Equipment

CPFSK Continuous-Phase Frequency Shift Keying

CPG Call ProGress

CPH Calling Party Handling

CPHCH Common PHysical CHannel

CPI Characters Per Inch /

CPI Common Part Indicator

CPL Computer Program Library

CPM Call Processing Model

CPM Call Processor Module

CPM Call Progress Message

CPM Call Protocol Message

CPM Call Protocol Module

CPM Continuous Phase Modulation

CPM Control Protocol Message

CPM Core Packet Module

CPM Critical Path Method

CPM Cross Phase Modulation

CPM Customer Profile Management

CPN Closed Private Network

CPN Customer Premises Network

CPP Call Processing Program

CPP Calling Party Pay

CPR Chirp-to-Power Ratio

CPR Cost-Performance Ratio

CPRMA Centralized PRMA

CPS Call Privacy Service

CPS Call Processing System

CPS Central Processing System

CPS Certification Practice Statement

CPS Common Part Sublayer

CPS-PDU Common Part Sublayer Protocol Data Unit

CPS-PH Common Part Sublayer Packet Header

CPS-PP Common Part Sublayer Packet Payload

CPT Cellular Paging Telecommunications

CPT ComPatibility Test

CPT Control Packet Transmission

CPT Cost Per Thousand

CPT Critical Path Technique

CPU Central Processing Unit

CPWDM Chirped-Pulse Wavelength Division Multiplexing

CR Calling Rate

CR Channel Reservation

CR Connection Request

CRA Customerized Record Announcement

CRAC Channel Reservation for Ahead Cell

CRBA Common Request Broker Arehitecture

CRC Centralized Resource Control

CRC Common Routing Channel

CRC Cyclic Redundancy Check

CRCA Cyclic Redundancy Code Accumulator

CRD Call Rerouting Distribution

CRD Clock Recovery Device

CRD Collision Resolution Device

CRE Cell Reference Event

CRED CREDit card calling

CRF Channel Repetition Frequency

CRI Call Request with Identification

CRI Collective Routing Indicator

CRM Call Recording Monitor

CRM Customer Relationship Management

CRN Call ReturN

CRP Call Request Packet

CRP Currently Recommended alternate Path

CRS Call Redirection Server

CRS Call Redirection Supervisor

CRS Call Routing System

CRS Cell Relay Service

CRSS Call Related Supplementary Services

CRT Call Request Time

CRTP Compressed Real-Time Protocol

CS Capability Set

CS Cell Station

CS Central Station

CS Channel Selector

CS Channel Switching

CS Character Strings

CS Circuit Switch

CS Client-Server -

CS Compression System

CS Connection Server

CS Convergence Sublayer

CS-1 Capability Set-1 1

CS-CELP Conjugate-Structure Coded-Excited Linear Predication

CSA Carrier Service Area

CSA Client Server Architecture

CSC Circuit Supervision Control

CSC Circuit Switching Center

CSC Common Signaling Channel

CSC Common-channel Signaling Controller

CSC Control Signaling Code

CSC Customer Service Center

CSCE Centralized Supervisory and Control Equipment

CSCM Coherent SubCarrier Multiplexing

CSCS Common Signaling Channel Synchronizer

CSCT Circuit-Switched Connection Type

CSCW Computer Supported Cooperative Work

CSD Call Set-up Delay

CSD Circuit Switched Data

CSDN Circuit Switched Data Network

CSDN Circuit Switched Digital Network

CSE Common channel Signaling Equipment

CSEI Common channel Signaling Equipment Interface

CSF Cell Site Function

CSF Channel Selection Filter

CSH Called Subscriber Hold

CSI Called Subscriber Identification

CSI Carrier Scale Internetworking

CSI Channel State Information

CSI Convergence Sublayer Indication

CSIC Customer Specific Integrated Circuit

CSK Code Shift Keying

CSL Computer Structure Language

CSLIP Compressed Serial Line Internet Protocol

CSM Call Segment Model

CSM Call Set-up Message

CSM Call Supervision Message

CSM Central Subscriber Multiplex

CSM Clock Supply Module

CSM Customer Service Management

CSMA Carrier Sense Multiple Access

CSMA/CD Carrier Sense Multiple Access with Collision Detection

CSN Circuit Switched Network

CSN Common Services Network

CSNP Complete Sequence Numbers Protocol data unit

CSO Composite Second Order

CSP Call Signal Processing

CSP Commerce Service Provider

CSP Control Signal Processor

CSPDN Circuit Switched Public Data Network

CSPM Call & Signaling Process Module

CSR Cell Start Recognizer

CSR Cell Switch Router

CSR Centrex Station Rearrangement

CSR Customer Service Representative

CSS Cell Site Switch

CSS Channel Signaling System

CSTA Computer-Supported Telecommunications Applications

CSU Channel Service Unit

CSU Circuit Switching Unit

CSU Common Service Unit

CSU Customer Service Unit

CSU/DSU Channel Service Unit / Data Service Unit /

CSUBANS Called SUBscriber ANSwer

CSUD Call Set-Up Delay

CSW Channel Status Word

CT Call Transfer

CT Computer Telephony

CT/RT Central Terminal / Remote Terminal /

CT2 Cordless Telephone 2

CT3 Cordless Telephone 3

CTA Cordless Terminal Adaptor

CTB Composite Triple Beat

CTC Cell Type Checker

CTC Channel Traffic Control

CTC CrossTalk Cancellation

CTCA Channel To Channel Adaptor

CTCF Channel and Traffic Control Facility

CTD Cell Transfer Delay

CTDM Cell Time Division Multiplexing

CTDS Code-Translation Data System

CTE Cable Termination Equipment

CTE Channel Translating Equipment

CTE Customer Terminal Equipment

CTI Computer Telephony Integration

CTM Circuit Transfer Mode

CTO Chief Technology Officer

CTP Connection Terminal Point

CTS Communications Technology Satellite

CTS Computer Telegram System

CTS Credit Telephone Service

CTTE Common TDMA Terminal Equipment TDMA

CTV Cable TeleVision

CTX Customer Telephone eXchange

CUF Channel Utilization Factor

CUG Closed User Group

CUGOA Closed User Group with Outgoing Access

CUI Character User Interface

CUID Called User IDentification number

CUN Common User Network

CVIP Computer Vision and Image Processing

CVPTV Crypto-Vision Pay TeleVision

CVR Computer Voice Response

CVS Creating Virtual Studios

CVSD Continuously Variable Slope Deltamodulation

CVT Circuit Validity Testing

CW Call Waiting

CWP Computer Word Processing

D-A Digital-Analog

D-D Digital-Digital

D/A Digital / Analog /

DA Data Access

DA Data Acquisition

DA Demand Assignment

DA Destination Address

DAA Data Access Arrangement

DAB Digital Audio Broadcast

DAC Data Acquisition Center

DAC Data Acquisition Computer

DAC Data Acquisition Controller

DAC Digital Analog Converter

DACI Direct Adjacent Channel Interference

DACN Desk Area Computer Network

DACS Digital Access & Cross-connect System

DAD Digital Audio Disk

DAE Data Acquisition Equipment

DAE Distributed Agent Environment

DAF Destination Address Field

DAI Data Adapter Interface

DAI Distributed Artificial Intelligence

DAL Data Access Line

DAM Data Addressed Memory

DAM DECT Authentication Module DECT

DAMA Demand Assigned Multiple Access

DAMPS Digital Adanced Mobile Phone System

DAP Data Access Point

DAP Data Access Protocol

DAP Data Acquisition Processor

DAP Directory Access Protocol

DAR Dynamic Alternate Routing

DARC DAta Radio Channel

DAT Digital Audio Tape

DAVIC Digital Audio / Video International Council /

DAVID Digital Audio / Video Interactive Decoder /

DAWS Digital Advanced Wireless Service

DB DataBase

DBA DataBase Administrator

DBA Dynamic Bandwidth Allocation

DBC Dynamic Bandwidth Controller

DBMS DataBase Management System

DBN DataBase Network

DBPSK Differentially coherent Binary PSK

DBR Deterministic Bit Rate

DBS Direct Broadcast Satellite

DBS Domestic Base Station

DBX Digital Branching & CroSs-connect equipment

DC Data Compression

DC Digital Convergence

DC Dispersion Compensation

DC Down Compatibility

DC Driving Circuit

DC Drop Cable

DCA Dynamic Channel Allocation

DCC Data Communication Channel

DCC Data Country Code

DCC Digital Control Channel

DCC Digital Cross Connect

DCCH Dedicated Control CHannel

DCCN Distributed Computer Communication Network

DCD Data Communication Device

DCE Data Circuit Equipment

DCE Data Circuit terminating Equipment

DCE Data Communication Equipment

DCE Data Connection Equipment

DCE Distributed Computing Environment

DCF Data Communication Function

DCF Dispersion Compensation Fiber

DCL Digital Channel Link

DCLU Digital Carrier Line Unit

DCM Data Communication Module

DCM Data Communication Multiplexer

DCM Dispersion Compensator Module

DCM Dynamic Connection Management

DCMA Data Communication Mesh Architecture

DCME Digital Circuit Multiplication Equipment

DCN Data Communication Network

DCN Digital Communication Network

DCNA Data Communication Network Architecture

DCOM Distributed Component Object Model

DCP Data Communication Processor

DCP Data Coordinating Point

DCP Digital Communication Protocol

DCP Distributed Communication Processor

DCPA Distributed Call Processing Architecture

DCPN Domestic Customer Premises Network

DCPS Data Compression Processing System

DCPSK Differentially Coherent Phase-Shift Keying

DCR Destination Call Routing

DCR Dynamically Controlled Routing

DCS Desktop Conferencing System

DCS Digital Cellular System

DCS Digital Communication System

DCS Digital Cross-connect System

DCS Dynamic Channel Selection

DCS Dynamic Channel Stealing

DCT Data Communication Terminal

DCT Discrete Cosine Transformation

DCTU Directly Connected Test Unit

DCU Digital Connection Unit

DCU Dual Carrier Unit

DD-EDFA Dispersion-Decreasing Erbium Doped Fiber Amplifier

DDB Distributed DataBase

DDC Digital Data Communication

DDC Digital Data Converter

DDCMP Digital Data Communications Message Protocol

DDD Digital Data Demodulator

DDD Direct Distance Dialing

DDE Dynamic Data Exchange

DDF Digital Distribution Frame

DDF Dispersion-Decreasing Fiber

DDHB Distributed Dynamic Hypermedia Browser

DDI Direct-Dialing-In

DDL Digital Data Line

DDL Digital Data Link

DDN Digital Data Network

DDN Distributed Data Network

DDNS Dynamic Domain Name System

DDOS Distributed Deny Of Service

DDOV Digital Data Over Voice

DDP Datagram Delivery Protocol

DDP Distributed Data Processing

DDP Distributed Data Processor

DDS Digital Data Service

DDS Digital Data System

DDS Direct Digital Satellite

DECT Digital Enhanced Cordless Telecommunications

DED Dynamically Established Data link

DEDF Distributed Erbium-Doped Fiber

DEDFA Distributed Erbium-Doped Fiber Amplifier

DEK Data Encryption Key

DEN Directory-Enabled Networking

DES Data Encryption Standard

DFAS Distributed Frame Alignment Signal

DFB Distributed Feed Back

DFC Data Flow Control

DFCF Dispersion Flat Compensation Fiber

DFE Decision Feedback Equalizer

DFF Dispersion Flattened Fiber

DFG Differential-Frequency-Generation

DFI Digital Facility Interface

DFL Data Flow Controller

DFOS Distributed Fiber Optic Sensing

DFP Distributed Function Plane

DFS Decision Feedback System

DFS Dedicated File Server

DFS Distributed Fiber Sensor

DFSK Differential Frequency Shift Keying

DFSK Double Frequency Shift Keying

DFSM Dispersion Flattened Single Mode

DFT Delayed-First-Transmission

DFU Data Facilities Unit

DGPS Difference Global Positioning System

DHCP Dynamic Host Configuration Protocol

DHCP Dynamic Host Control Protocol

DHN Digital Home Network

DHTML Dynamic HTML HTML

DHW Down HighWay

DI Digital Interface

DI Dispersion-Increasing

DIB Data Input Bus

DIB Device Independent Bitmap

DIB Directory Information Base

DICH Dedicated Information CHannel

DICS Digital Image Correction System

DID Direct In-Dialling

DII Dynamic Invocation Interface

DINA DIgital Network Analyzer

DINOS DIstributed Network Operating System

DIP Digital Image Processing

DIRMA Digital Impulse Radio Multiple Address

DIS Digital Identification Signal

DISP Directory Information Shadowing Protocol

DIT Direct Image Technical

DIT Directory Information Tree

DL Data Link

DL Down Link

DL Dynamic Link

DLC Data Link Control

DLC Data-Link-Connection

DLC Digital Loop Carrier

DLC Dynamic Load Control

DLCI Data Link Connection Identifier

DLCI Digital Loop Carrier Interface

DLCU Data Link Control Unit

DLE Data Link Entity

DLE Digital Local Exchange

DLE Distributed LAN Emulation

DLI Data Link Interface

DLIS Digital Link Interface Software

DLL Data Link Layer

DLL Delay Lock Loop

DLL Digital Leased Line

DLL Digital Local Line

DLL Dynamic Linked Library

DLN Double Loop Network

DLS Data Link Service

DLS Digital Line Section

DLSAP Data Link Service Access Point

DLSDU Data Link Service Data Unit

DLT Digital Link Tester

DLTU Digital Line and Trunk Unit

DM Data Mining

DM Data Multiplexer

DM Delta Modulation

DM Disconnected Mode

DM Dispersion Management

DMA Direct Memory Access

DMAC Distributed Multi-Agent Coordination

DMB Digital Media Broadcasting

DMC Data Multiplex Channel

DMC Digital Media Center

DMCI Digital Media Control Interface

DMCWS Distributed Multimedia Cooperative Writing System

DMD Differential Mode Delay

DME Digital Multiplex Equipment

DME Distributed Management Environment

DMF Dispersion-Managed Fiber

DMIS Distributed Multimedia Information System

DMK Distributed Multimedia Kiosk

DML Data Manipulation Language

DMS Data Multiplexing System

DMS Demand Multimedia System

DMS Distributed Multimedia Service

DMSD Digital Multi Standard Decoder

DMSD Digital Multi Standard Decoding

DMSS Data Multiplexing SubSystem

DMT Discrete Multi-Tone

DN Destination Network

DN Directory Number

DN Distributed Network

DN Distribution Network

DN Domain Name

DN Downstream Node

DNA Data Network Address

DNA Destination Node Address

DNA Digital Network Architecture

DNA Distributed Network Architectrue

DNBR Dialing NumBeR

DNC Dynamic Network Collection

DNCC Data Network Control Center

DNCS Distributed Network Control System

DNG Digital News Gathering

DNHR Dynamic NonHierarchical Routing

DNI Data Network Interface

DNI Desktop Network Interface

DNI Distributed Network Interface

DNIC Data Network Identification Code

DNM Distributed Network Management

DNMEP Data Network Modified Emulator Program

DNR Digital Noise Rejection

DNS Data Network Service

DNS Distributed Network System

DNS Domain Name Server

DNS Domain Name Service

DNS Domain Name System

DNTS Data Network Test System

DOD Data On Demand

DOD Direct Outward Dialing

DOMSAT DOMestic SATellite

DONA Decentralized Open Network Architecture

DOS Denial Of Service

DOV Data Over Voice

DP Data Processing

DP Detection Point

DP Distribution Point

DPCCH Dedicated Physical Control CHannel

DPCM Differential Pulse Code Modulation

DPCN Digital Private Circuit Network

DPDCH Dedicated Physical Data CHannel

DPE Distributed Processing Environment

DPG Digital Pair Gain

DPHCH Dedicated PHysical CHannel

DPI Dot Per Inch

DPL Data Protection Layer

DPN Dual-Private Network

DPN Dynamical Path Network

DPON Domestic PON

DPS Distributed Packet Switching

DPS Dynamic Packet State

DPSK Diffential Phase Shift Keying

DPT Dynamic Packet Transport

DQDB Distributed Queue Dual Bus

DQPSK Differential Quadrature Phase Shift Keying

DR Deflection Routing

DR Direct Route

DR Disconnect Request

DR Dynamic Routing

DRAM Dynamic Random Access Memory

DRID Destination Routing IDentifier

DRP Distribution Resource Planning

DRP Dynamic Routing Protocol

DRS Digital Radio System

DS Data Stream

DS Data Switching

DS Differentiated Service

DS Direct Sequence

DS Directory Services

DS Dispersion Shift

DS documentnbspStorage

DS-CDMA Direct Sequence CDMA CDMA

DS-SMF Dispersion Shifted Single Mode Fiber

DSA Digital Signature Algorithm

DSA Directory System Agent

DSAA DECT Standard Authentication Algorithm DECT

DSAMA Dynamic Slot Allocation Multiple Access

DSAP Data link Service Access Point

DSB Direct Satellite Broadcast

DSBSC Double Side-Band Suppressed Carrier

DSC Decision Support Center

DSC Direct Satellite Communications

DSCA DECT Standard Cipher Algorithm DECT

DSCF Dispersion Slope Compensating Fiber

DSE Data Switching Exchange

DSF Dispersion Shifted Fiber

DSI Digital Speech Interpolation

DSL Digital Subscriber Line

DSLAM Digital Subscriber Line Access Multiplexer

DSM Digital Switch Module

DSM Direct-Sequence Modulation

DSM Dynamic Single Mode

DSN Digital Switching Network

DSN Distributed Switching Node

DSP Digital Signal Processing

DSP Digital Signal Processor

DSP Digital Sound Processor

DSP Directory System Protocol

DSP Domain Specific Part

DSR Dynamic Source Routing

DSRS Data Signal Rate Selection

DSS Data Storage System

DSS Decision Support System

DSS Digital Signature Standard

DSS Digital Subscriber Service

DSS Direct Satellite System

DSS Directory Service System

DSS1 Digital Subscriber Signaling system No.1 1

DSS2 Digital Subscriber Signaling system No.2 2

DSSG Decision Support System Generator

DSSMAN Data Service Specific MAN

DSSS Direct Sequence Spread Spectrum

DSSSMA DSSS Multiple Access

DST Dispersion Supported Transmission

DST Dynamic Soliton Transmission

DSTM Dynamic Synchronous Transfer Mode

DSU Data Service Unit

DSU Data Switch Unit

DSU Digital Service Unit

DSU Digital Switching Unit

DSV Data Steal into Voice

DSVD Digital Simultaneous Voice & Data

DSVMA Data Steal into Voice Multiple Access

DSX Digital Singals CroSs-connect

DT Data Terminal

DT Data Transfer

DT Digital Terminal

DT-PDU DaTa Protocol Data Unit

DT-WDMA Dynamic Time Wavelength Division Multiple Access

DTE Data Terminating Equipment

DTF Delayed TransFer

DTF Digital Transmission Facility

DTF Dispersion-Tailored Fiber

DTF Dispersion-Tapered Fiber

DTH Direct To Home

DTI Data Transmission Interface

DTI Digital Terminal Interface

DTI Digital Transmission Interface

DTI Digital Trunk Interface

DTIM Digital Transmission Interface Module

DTL Data Transmission Line

DTLM Digital Trunk Line Module

DTM Digital Trunk Module

DTM Dynamic synchronous Transfer Mode

DTMF Dual Tone Multiple Frequency

DTO Data Transfer Operation

DTP Data Transfer Phase

DTP Data Transfer Protocol

DTR Digital Trunked Radio

DTS Data Transmission System

DTS Digital Termination Service

DTS Digital Transmission System

DTSA Dynamic Time Slot Allocation

DTSWCH Digital Trunk SWitCH

DTT Data Transmission Technique

DTU Data Terminal Unit

DTV DeskTop Video

DTV Digital TeleVision

DU Dispersion-Unshifted

DUA Directory User Agent

DUI Data Unit Interface

DUP Data User Part

DUP Destination User Prompter

DV Desktop Video-conference

DV Digital Video

DV-MCI Digital Video-Media Control Interface

DVB Digital Video Broadcast

DVC Desktop Video Conference

DVC Digital Video Compression

DVC Digital Video Controller

DVD Digital Versatile Disc

DVD Digital Video Disk

DVDS Digital Video Display System

DVE Digital Video Effect

DVHT Digital Video Home Terminal

DVI Digital Video Interactive

DVM Data Voice Multiplexer

DVMP Data Voice MultiPlex

DVN Digital Video Network

DVO Data Voice Outlet ()

DVP Deterministic Virtual Path

DVS Desktop Video Studio

DVS Digital Video System

DVVI Data Voice Video Integration

DVXS Digital Visual eXchange Service

DW Data Warehouse

DWDM Dense Wavelength Division Multiplexing

DWMS Data Warehouse Management System

DWMT Discrete Wavelet Multi-Tone

DWRR Dynamic Weighted Round-Robin

DWS Dialable Wideband Service

DWT Discrete Wavelet Transform

DXC Digital CrosS Connection

DXC Digital CrosS Connect system

DXI Data eXchange Interface

E-CTL Error ConTroLler

E-DET Error DETector

E-E End-to-End

E-GPRS EDGE-based GPRS EDGEGPRS

E-mail Electronic mail

E-SMR Enhanced Specialized Mobile Radio

E/O Electro-Optical conversion /

EA Expedited data Acknowledgement

EAIM E1 ATM Interface Module E1 ATM

EAN External Access Network

EAR Electronic Audio Recognition

EAROM Electrically Alterable Read-Only Memory

EB Errored Block

EBER Excessive Bit Error Rate

EBGP External Border Gateway Protocol

EBS Errored Block Second

EBSR Errored Block Second Rate

EC Echo Cancellation

EC Electronic Commerce

EC Error Control

ECA Electronic Classified Advertising

ECAN Entertainment Center Area Network

ECB Electronic Code Book

ECC Embedded Communication Channel

ECC Embedded Control Channel

ECC Error Control Code

ECC Error Correction Code

ECH Echo Cancelled Hybrid system

ECI Echo Control Indicator

ECIS Error Correction Information System

ECL External Cavity Laser

ECL External CLock

ECM Emergency Changeover Message

ECM Error Correction Mode

ECN Electronic Communication Network

ECN Emergency Communications Network

ECN Explicit Congestion Notification

ECO Emergency Changeover Order

ECR Electronic Cash Register

ECR Explict Cell Rate

ECS Embedded Computer System

ECS Encryption Control Signal

ECS Enterprise Communication System

ECSD Enhanced Circuit-Switched Data

ECT Echo Cancellation Technique

ECT Electronic Cash Technology

ECTS Echo Canceller Testing System

ED Edge Device

ED Expanded Display

ED Expedited Data

EDA Electronic Design Automation

EDA Embedded documentnbspArchitecture

EDB Evolvable DataBase

EDB Extensional DataBase

EDC Error Detection Code

EDC Error Detection Circuit

EDF Er-Doped Fiber

EDFA Erbium Doped Fiber Amplifier

EDFFA Er-Doped Fluoride Fiber Amplifier

EDFL Erbium-Doped-Fiber Laser

EDFLS Erbium-Doped-Fiber Laser Source

EDFPS Expended Delta Fast Packet Switching

EDFRL Eribium-Doped Fiber Ring Laser

EDGE Enhanced Data rates for GSM Evolution GSM

EDI Electronic Data Interchange

EDI Enterprise Data Integration

EDI-AU EDI Access Unit

EDI-UA EDI User Agent EDI

EDIF EDI Format EDI

EDIFACT EDI For Administration, Commerce and Transport ()

EDIM EDI Message EDI

EDIME EDI Messaging Environment EDI

EDIMS EDI Message Storage EDI

EDIMS EDI Messaging System EDI

EDIN EDI Notification EDI

EDLC Ethernet Data Link Control

EDM Electronic Data Management

EDP Electronic Data Processing

EDP Event Detection Point

EDP-N Event Detection Point-Notification

EDP-R Event Detection Point-Request

EDPA Er-Doped Plannar Amplifier

EDRL Erbium-Doped Ring Laser

EDTV Extended Definition TeleVision

EDWA Erbium Doped Waveguide Amplifier

EE-LED Edge-Emitting LED

EE-VPC End-to-End Virtual Path Connection

EEC Electric Echo Canceller

EELS Edge-Emitting LaSer

EEROM Electronically Erasable Read-Only Memory

EETDN End-to-End Transit Delay Negotiation

EF Elementary Function

EF Expedited Forwarding

EFBGL Erbium Fiber Bragg Grating Laser

EFCI Explicit Forward Congestion Indication

EFD Event Forwarding Discriminator

EFPHB Expedited Forwarding PHB PHB

EFR Enhanced Full Rate

EFT Electronic Funds Transfer

EFTP Ethernet File Transfer Protocol

EFTS Electronic Funds Transfer System

EGA Enhanced Graphics Adapter

EGC Equal Gain Combining

EGD Equal Gain Diversity

EGM Enhanced Graphics Module

EGP Exterior Gateway Protocol

EGPRS Enhanced GPRS GPRS

EHF Extremely High Frequency

EHL Electronic Home Library

EI Exchange Identification

EID End point IDentifier

EIM Exchange Interface Module

EINS Enterprise Information Network System

EIP Enterprise Information Portal

EIR Equipment Identification Register

EIR Excessive Information Rate

EIRP Equivalent Isotropic Raditated Power

EISA Extended Industry Standard Architecture

EL Echo Loss

EL Element Layer

ELAN Emulated LAN

ELSI Extremely Large Scale Integrated circiut

ELSP Ethernet LAN Simulation Package

ELSR Edge LSR LSR

EM Electronic Mail

EM Electronic Mailbox

EMC ElectroMagnetic Compatibility

EMCEQ EMergency Call EQuipment

EMD Equilibrium Modal power Distribution

EMD Equilibrium Mode Distribution

EMH Expedited Message Handler

EMHB Expedited Message Handler Buffer

EMI ElectroMagnetic Interference

EMI/RFI ElectroMagnetic Interference / RF Interference /

EML Element Management Layer

EMS Electronic Mail Service

EMS Electronic Mail System

EMS Element Management System

EMS Enterprise Message System

EMS European Mobile Satellite system

EN Enterprise Network

EN Equipment Number

ENS E-mail Notifying Server ()

ENS Enterprise Network Services

ENS Enterprise Network Strategy

EO End Office

EOC Embedded Operation Channel

EOD Education On Demand

EOF End Of File

EOF End Of Frame

EOI End Of Image

EOM End Of Message

EOP End Of Packet

EOS Embedded Operating System

EOS End Of Signaling

EP Electronic Purse

EPD Early Packet Discard ()

EPG Electronic Program Guide

EPM Enterprise Performance Management

EPP Error Performance Parameter

EPRMA Extended Packet Reservation Multiple Access

EPROM Erasable Programmable Read-Only Memory

EPS Electronic Payment System

EPSCS Enhanced Private Switched Communication Service

EPT European Project TETRA TETRA

EPW Equivalent Planar Waveguide

EPXC Electrical Path CroSs Connect system

EQN Extended Queuing Network

ER Edge Router

ER Emergency Routing

ER Explicit Route

ER-PDU ERror Protocol Data Unit

ER-PDU Error Report Protocol Data Unit

ERB Event Request Broker

ERC Equal-Ratio Channel

ERD End Routing Domain

ERD Error-Rate Detector

ERF Event Report Function

ERICA Explicit Rate Indication for Congestion Avoidance

ERM Enterprise Resource Management

ERM Explicit Rate Marking

ERMF Event Report Management Function

EROM Eraseable Read Only Memory

EROS Earth Resource Observation Satellite

ERP Effective Radiated Power

ERP Enterprise Resource Planning

ERQ Echo ReQuest

ERQ-PDU Echo ReQuest Protocol Data Unit

ERS Electronic Retailing System

ERVC Efficient Reservation Virtual Circuit

ES Earth Station

ES Echo Suppressor

ES Element Synchronism ()

ES Element Synchronization ()

ES End System

ES Environment Subsystems

ES Errored Second

ES Expert System

ES-IS End System-to-Intermediate System routing

ESA European Space Agency

ESDL Expert System Definition Language

ESH-PDU End System Hello Protocol Data Unit

ESI Ethernet Serial Interface

ESM Ethernet Switching Module

ESMTP Extended Simple Mail Transfer Protocol

ESN Enterprise Storage Network

ESP Encapsulating Security Protocol

ESR Errored Second Ratio

ESTD Exchange Signaling Transfer Delay

ESU Exchange Signaling Unit

ET Echoplex Technique

ET Exchange Termination

ETACS Extended Total Access Communication System

ETC Exchange Terminal Circuit

ETDM Electrical TDM

ETE End To End

ETEC End-To-End-Circuit

ETM Embedded Transmission Module

ETOM Electro Trapping Optical Memory ()

ETSI European Telecommunications Standards Institute

ETX End of TeXt

EU End User

EVCS Enhanced Video Connector Standard

EVI External Video Interface

EVRC Enhanced Variable Rate Coder

EW Electronic War

EWC Either-Way Communication

EWT Expected Waiting Time

EXS EXpandable Switching system

EYAS Erbium Ytterbium Amplifier Scheme

EYDFA Erbium-Yterbium-Doped Fiber Amplifier

F-CAPICH Forward-Common Auxiliary PIlot CHannel

F-CPHCH Forward Common PHysical CHannel

F-DAPICH Forward Dedicated Auxiliary PIlot CHannel

F-DCCH Forward Dedicated Control CHannel

F-DPHCH Forward Dedicated PHysical CHannel

F-EDFA Forward pumped EDFA

F-FCH Forward Fundemental CHannel

F-PCH Forward-Paging CHannel

F-PICH Forward-PIlot CHannel

F-RAMA Fair Resource Assignment Multiple Address

F-SCH Forward Supplemental CHannel

F-SYNC Frame SYNChronizer

F-SYNCH Forward-SYNchronous CHannel

FA Fiber Adaption

FA Frame Aligner

FA Frame Alignment

FAB Fiber Array Block

FABM Fiber Amiplifier Booster Module

FAC Forward Acting Code

FACCH Fast Associated Control CHannel

FACH Forward Access CHannel

FAITH Fiber Almost Into The Home

FAL Frame Alignment Loss

FAL Frequency Allocation List

FAM Frame Alignment Module

FAN Fiber in the Access Network

FAQ Frequently Asked Questions

FART Frame Alighment Recovery Time

FAS Fiber Access System

FAS Flexible Access System

FAS Frame Alignment Signal

FAST Fiber At Subscriber Terminal

FAT File Allocation Table

FAT Flexible Access Termination

FATDDL Frequency And Time Division Data Link

FAW Frame Alignment Word

FAXIWF FAX InterWorking Function

FB Fiber Booster

FB Fiber Bundle

FBB Fiber BackBone

FBCN Fuzzy Backward Congestion Notification

FBG Fiber Bragg Grating

FBGLS FBG Laser Sensor FBG

FBR Fiber Bragg Reflector

FBR Fixed Bit Rate

FBS Flexible Bandwidth Sharing

FC Fiber Channel

FC Forward Compatibility

FCA Fixed Channel Allocation

FCAL Fiber Channel Arbitrated Loop

FCB File Control Block

FCC Facsimile Conrol Channel

FCC Federal Communications Commission ()

FCC Frequency Channel Code

FCCCH Forward Common Control CHannel

FCFS First Come First Served

FCH Facsimile Channel Handling

FCLS First Come Last Served

FCM Fuzzy Cognitive Map

FCN Frequency-Converting Network

FCN Full Connected Network

FCP Frequency Control Program

FCS Fast Circuit Switching

FCS Fiber Channel Standard

FCS Frame Check Sequence

FCT Fixed Celullar Terminal

FD Fiber Duct

FD Frame Disassembler

FD-SS Frequency-Diversity Spread Spectrum

FDCT Forward Discrete Consine Transform

FDD Frequency Division Duplex

FDDI Fiber Distributed Data Interface

FDF Full-duplex Data Flow

FDI Feeder Distribution Interface

FDL Fiber Delay Line

FDM Frequency Division Mutiplexing

FDMA Frequency Division Multiple Access

FDP Fiber Distribution Point

FDR Forward Deflection Routing

FDX Full DupleX

FE Function Element

FE Function Entity

FE-CDMA Frequency-Encoded CDMA CDMA

FEA Function Entity Action

FEAM Functional Entity Access Management

FEC Forward Error Conrol

FEC Forward Error Correction

FEC Forwarding Equivalence Class

FECC-F Forward Error Correction Count-Fast data

FECN Forward Explicit Congestion Notification

FED Forward Error Detection

FEFO First Ended First Out

FEP Front-End Processor

FER Frame Erasure Rate

FER Frame Error Rate

FERF Far End Receive Failure

FES Fixed Earth Station

FEXT Far-End CrosSTalk

FFH Fast Frequency-Hopping

FFP Fiber Fabry-Perot -

FFP-TF Fiber Fabry-Perot Tunable Filter -

FFPF Fiber Fabry-Perot Filter -

FFPI Fiber Fabry-Perot Interferometer -

FFRN Four-Fiber Ring Node

FFT Fast Fourier Transform

FH Frame Handler

FH Frame Header

FH Frequency Hopping

FH-CDMA Frequency-Hopped CDMA CDMA

FHR Fixed Hierarchical Routing

FHSP Frame Handler SubPort

FHSS Frequency Hopping Spread Spectrum

FI Format Identifier

FIC Fiber Interface Card

FICS Facsimile Intelligent Communication System

FIFO First In First Out

FIFS First In First Served

FILO Firs In Last Out

FIM Fiber Interface Module

FIM/CM Feature Interactive Management & Calling Management

FIMS Feature Interaction in Multimedia System

FIN Full Interconnection Network

FITL Fiber In The Loop

FIU Facilities Interface Unit

FLAG Fiber Link Around the Globe

FLL Fiber in the Local Loop

FLM Fiber Loop Mirror

FM Facilities Management

FM Fault Management

FM Flexible Multiplexer

FM Forward Monitoring

FM Frequency Modulation

FM/FDMA Frequency Midulation / FDMA /

FM/TDMA Frequency Midulation / TDMA /

FMBS Frame Mode Bearer Service

FMC Fixed-Mobile Covergence

FMD Follow-Me-Diversion

FMD Frame Mode Data

FMD Function Management Data

FMDI Function Management Data Interpreter

FMMS Fixed Media Mass Storage

FMS File Management Subsystem

FMS File Management System

FMSR FP-Mode Suppression Ratio -

FMUX Flexible MUltipleXer

FMV Full-Motion Video

FN Fiber Node

FN Functional Network

FNA Flexible Networking Architecture

FNA Free Network Address

FNAE Free Network Address Element

FNAS Frame relay Network Access Subsystem

FNN Fuzzy Neural Network

FNP Frontend Network Processor

FO Fiber Optics

FOA Fiber Optic Amplifier

FOAN Fiber Optic Access Network

FOB FDM Output Buffer FDM

FOC Fiber Optic Cable

FOC Fiber Optic Communication

FOCC FOrward Control Channel

FOCN Fiber Optic Communication Network

FOCUS Fiber Optic Connection Universal System

FOE Fiber Optic Extender

FOF Fluorescent Optical Fiber

FOI Fiber Optic Isolator

FOID Fiber Opitc Interface Device

FoIP Fax over IP IP

FOIRL Fiber Optic Inter-Repeater Link

FOL Fiber Optic Laser

FOLAN Fiber Optic LAN

FOM Fiber Optic Modem

FOMAU Fiber Optic Medium Attachment Unit

FOP Failure Of Protocol

FOPMA Fiber Optic Physical Medium Attachment

FOS Fiber Optic Sensor

FOTC Fiber Optic Trunk Cable

FOTIC Fiber Optic Transmitter Integrated Circuit

FOTN Fiber Optic Transmission Network

FOTS Fiber Optic Temperature Sensor

FOX Fiber Optic eXtender

FP Function Processor

FPAD Facsimile Packet Assembly / Disassembly /

FPBS Fiber Polarization Beam Spliter

FPGA Field Programmable Gate Array

FPH FreePHone ()

FPLL Frequency and Phase Locked Loop /

FPLMTS Future Public Land Mobile Telecommunication Systems

FPM Four Photon Mixing

FPS Fast Packet Switching

FPSLA Fabry-Perot Semiconductor Laser Amplifier -

FPT/FPS Fast Packet Transfer / Switching /

FR Frame Relay

FR Full Rate

FRA File Relative Address

FRA Fixed Radio Access

FRAD Frame Relay Access Device

FRDTS Frame Relay Data Transmission Services

FRI Frame Relaying Information

FRMR FRaMe Reject

FRP Fast Reservation Protocol

FRP Fast Resolution Protocol

FRP/DT Fast Reservation Protocol with Delayed Transmission

FRPH Frame Relay Packet Handler

FRS Frame Relay Service

FRS Frame Relay Switch

FRSE Frame-Relay Switching Equipment

FRSF Frame Relay Service Function

FRT Frame Relay Terminal

FRTE Frame-Relay Terminal Equipment

FRTT Fixed Round-Trip Time

FS Fax Server

FS Fiber Sensor

FS Frame Start signal

FS Frame State

FS Frame Switching

FS Frame Synchronizer

FSAN Full Service Access Network

FSK Frequency Shift Keying

FSL Flexible System Link

FSM FDDI Switching Module FDDI

FSM FDM-channel Selector Module FDM

FSN Full Service Network

FSS Fixed Satellite Service

FSS Flying Spot Scanner

FSS Frame Synchronous Scrambling

FSU Fixed Subscriber Unit

FSW Frame Synchronization Word

FSYN Frame SYNchronization signal

FT Fiber Termination

FT Fixed radio Terminal

FTAM File Transfer Access and Management

FTAMS File Transfer Access and Management Services

FTC Facsimile Transport Channel

FTC Fault Tolerant Computer

FTC Fault-Tolerant Computing

FTF Fiber Termination Frame

FTLA Fiber-To-the-Last Amplifier

FTM FDM Transmitter Module FDM

FTM Fiber Terminal Module

FTM Fiber Transfer Module

FTM File Transfer Manager

FTN Facsimile Transmission Network

FTN Four-Terminal Network

FTP File Transfer Protocol

FTR Full Text Retrieval

FTS Fast Track Selector

FTS Frame Transport System

FTSA Fiber-To-the-Service Area

FTSMSTR Frame Transport System MaSTeR

FTTA Fiber To The Apartment

FTTB Fiber To The Bridge

FTTB Fiber To The Building

FTTC Fiber To The Curb

FTTCa Fiber To The Cabinet

FTTD Fiber To The Desk

FTTF Fiber To The Feeder

FTTF Fiber To The Floor

FTTH Fiber To The Home

FTTK Fiber To The Kerb

FTTN Fiber To The Node

FTTO Fiber To The Office

FTTP Fiber To The Pedestal

FTTR Fiber To The Remote module

FTTR Fiber To The Rural

FTTS Fiber To The Subscriber

FTTSA Fiber To The Service Area

FTTV Fiber To The Village

FTTx Fiber To The

FTTZ Fiber To The Zone

FUNI Frame User Network Interface

FWA Fixed Wireless Access

FWAN Fixed Wireless Access Network

FWC Frequency and optical Wavelength Converter

FWM Four Wave Mixing

FWPCS Future Wireless PCS

FWS Fast-Wavelength-Switched

G3 Group 3 ()

GAL Generic Array Logic

GAM Graphic Access Method

GAN Global Area Network

GAP call GAPping

GAP General Assembler Program

GAS Gateway Access Service

Gb Gigabit

GB GigaByte

GBH Graphics-Based Hypermedia

GBMD Guaranteed Bandwidth Minimum Delay

GBPS GigaBits Per Second /

GBR Gross Bandwidth Request

GBR Guaranteed Bit Rate

GBSVC General Broadcast Signaling Virtual Channel

GBW Guaranteed BandWidth protocol

GC Gaussian Channel

GC Group Coupler

GCE Ground Communication Equipment

GCI General Communication Interface

GCI Genetal Command Interface

GCM Global Call Model

GCN Gateway Connection Network

GCN Generalized Connection Network

GCRA Generic Cell Rate Algorithm

GCS Ground Communication System

GCSS Global Communication Satellite System

GCTS Ground Communication Tracking System

GDC Graphical Display Controller

GDCI General Data Communication Interface

GDHS Generalized Dynamic Hypermedia System

GDI Graphical Device Interface

GDMO Guidelines for Definition of Managed Objects

GDSU Global Digital Service Unit

GE Gateway Exchange

GE Gigabit Ethernet

GEO Geostationary Earth Orbit

GEO Geosynchronous Earth Orbit

GEOS Geosynchronous Earth Orbit Satellite

GES Ground Earth Station

GF General Function

GF Germanium content Fiber

GFA General Frame Allocation

GFC Generic Flow Control

GFC Global Flow Control

GFP General Function Platform

GFP Global Function Plane

GFSK Gauss Frequency Shift Key

GGP Gateway to Gateway Protocol

GGSN Gateway GPRS Support Node GPRS

GI Graded Index fiber

GI-PCF Graded-Index Plastic-Cladding Fiber

GI-POF Graded-Index Plastic Optical Fiber

GI-POF Graded-Index Polymer Optical Fiber

GIF Graphics Interchange Format

GII Global Information Infrastructure

GIMM Graded Index MultiMode ()

GIRL Graph Information Retrieval Language

GIS Geographic Information System

GIS Global Information System

GISW Graded-Index Slab Waveguide

GITH Gigabit Internet To Home

GIX Global Internet eXchange

GJP Graphic Job Processor

GK GateKeeper

GKS Graphical Kernel System

GL Guiding Layer

GLONASS GLObal NAvigation Satellite System

GLR Gateway Location Register

GMI General Messaging Interface

GMI Generic Management Information

GMIS General Multimedia Information System

GML Generalized Markup Language

GMM Global Multimedia Mobility

GMPCS Global Mobile Personal Communications by Satellite

GMSC Gateway Mobile Switching Center

GMSK Gaussian-filtered Minimum Shift Keying

GMSS Global Mobile Satellite Service

GMT Group Multiplexer Terminator

GNE Gateway Network Element

GNN Global Network Navigator

GNSS Global Navigation Satellite System

GOD Game On Demand ()

GOD Guided-wave Optical Device

GOF Glass Optical Fiber

GOP Group Of Pictures

GoS Grade of Service

GPAC General Purpose Analog Computer

GPF General Protection Fault

GPI General Purpose Interface

GPRS General Packet Radio Service

GPS Global Positioning Satellite

GPS Global Positioning System

GPS Global Professional Services

GPS Graphic Programming Services

GPSS General Purpose