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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