1211 lines
48 KiB
Plaintext
1211 lines
48 KiB
Plaintext
==Phrack Magazine==
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Volume Four, Issue Forty-Three, File 22 of 27
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{Acronyms Part II}
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D Data
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D Default supervision
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D Digits
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D Dispach
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D Hotel/motel equipment from trouble report (TSPS only)
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D-CTL D channel controller (IDEC)
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D/A Digital to analog
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D1PK DS-1 interface pack (SCM-10S NTI)
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D1PK DS-1 interface pack (SCM-10S MUX NTI)
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DA Digital data off-net extention INTER/TRA blocal 1-26
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DA Directory assistance
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DAC Digital to analog converter
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DAC Dispatch Administration Center
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DACC Directort assistance call completion
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DACK Direct memory access acknowledge
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DACOM Data communictions corp. of korea (ROK)
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DACS Digital access cross-connect system
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DACS Digital accessed and cross-connected system
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DACS Directory assistance charging system
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DACTVTD Deactivated
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DAEDR Delimitation
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DAIS Distributed automatic intercept system
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DAML Digital added main line (pair gain)
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DAMT Direct access mechanize testing
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DAP Display administration process
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DAP Document application profile
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DARC Division alarm recording center
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DART Distribution area rehabilitation
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DARU Distributed automatic intercept system audio response unit
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DAS Data auxiliary set
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DAS Directory assistance system
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DAS Distributor and scanner
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DAS-WDT Distributor and scanner-watch dog timer
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DAS/C Directory assistance system/computer
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DASD Direct access storage device
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DASS2 Digital access signaling system 2 (BT)
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DAU Digital access unit
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DAV Data above voice
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DAY Delete an assembly
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DB DSSDS 1.5 mb/s access line INTER/TRA blocal 1-26
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DB Decibel
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DBA Data base administrator
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DBAC Data base administration center
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DBAS Data base administration system
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DBCS Data bank control system
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DBL Data base load
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DBM Database manager
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DBMS Data base management system
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DBOS Data bank organization system
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DBS Duplex bus selector
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DBSS Data bank security system
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DC Device cinfirmation (C/I channel code)
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DC Dial code
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DC Direct current
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DCC Data collection computer
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DCC Data country code (ISO 7498)
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DCC Destination code cancellation
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DCC Destination code cancellation control
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DCC Digroup core controller
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DCCS Discontiguous shared segments
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DCD Data collection device
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DCE Data circuit terminal equipment
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DCE Data circuit-terminating equipment
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DCE Data communications equipment
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DCE Digital carrier equipment
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DCG Default cell group
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DCH D channel handler
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DCH D-channel handling bit
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DCH Discharge
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DCHOOS D-channel is out of service.
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DCL Data clock (i.e. IOM2)
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DCL Dec control language
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DCLU Digital carrier line uint
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DCLU Digital carrier line unit
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DCM Digital carrier module
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DCME Digital circuit multiplexing equipment
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DCMS Distributed call measurement system
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DCMU Digital concentrator measurement unit
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DCN List disconnected and changed numbers
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DCP D channel processor
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DCP Duplex central processor
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DCPR Detailed contuing property record (pics/dcpr)
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DCPSK Differential coherent phase-shift keying
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DCS Data communications subsystem
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DCS Digital crosconnect system
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DCS Digital cross-connect system
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DCS Direct current signaling
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DCSO Display compleated service order (lmos command)
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DCT Digital carrier trunk
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DCTB Dct bank
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DCTEXT DCT extended
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DCTN Defense commercial telecommunications network
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DCTS Dimension custom telephone service
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DCTUCOM Directly connected test unit common board
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DCTUPORT Directly connected test unit port circuit
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DCn Device control n
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DD Data downstream (i.e. IOM2)
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DD Delay dial
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DD Disk drives
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DD Due date
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DD Total switching control center (SCC) and field work time.
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DDC Direct department calling
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DDCMP Daily display conversation mode and printer
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DDD Direct distance dialing
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DDGT Digital data group terminal
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DDI Direct dialing-in (i.251 A)
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DDN Defense data network
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DDOV Digital data over voice
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DDS DDS loopback test (SARTS command)
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DDS Dataphone digital service
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DDS Digital data service
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DDS Digital data system
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DDS Digital data system (the network) dataphone digital
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DDS Digital dataphone service
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DDS Display the DS table
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DDX Digital data exchange
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DDX Distributed data exchange
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DEAC Deactivation (C/I channel code)
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DEACT Deactivate
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DEC Digital equipment corporation
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DECT Digital european cellular phone
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DEL Delete
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DEN Digital equipment number
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DERP Defective equipment replacement program
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DES Data encryption standard
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DES Destination
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DEST Destinations
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DET Detatch MSG. (i.451)
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DEV Deviation
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DEV Device
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DEW Distant early warning (line)
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DF Distributing frame
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DF Distribution frame
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DF HSSDS 1.5 mb/s hub to hub INTER/TRA blocal 1-26
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DFC Disk file controller
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DFI Digital facility interface
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DFI Digital facility interface.
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DFI Digital family interface
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DFIH Digital facility interface circuit pair
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DFMS Digital facility management system
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DFTAC Distributing frame test access circuit
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DG HSSDS 1.5 mb/s hub to earth station INTER/TRA blocal 1-26
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DGCT Diagnostic control table
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DGN Diagnose
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DGN Memory failure in CS/PS diagnostic program - 1AESS mem diag
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DH Digital service INTER/TRA blocal 1-26
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DI Deactivation indication (C/I channel code)
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DI Direct-in dial INTER/TRA blocal 1-26
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DI Unk division?
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DIA Document interchange architecture
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DIAG Diagnostic
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DIC Digital concentrator
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DIC Digital interface controller
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DID DI downstream
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DID Direct inward dialing
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DIF Digital frame interface
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DIF Digital interface
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DIF Digital interface frame
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DIFF Difference
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DILEP Digital line engineering program
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DIM Data in the middle
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DIP Dedicated inside plant COSMOS command
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DIP Dip creation option
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DIP Document interchange protocol (lower sublayer of OSI layer 6)
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DIP Dual in-line package
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DIR Direction
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DIR Directory
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DIR Standard dip report
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DIS Disconnect
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DIS Display
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DISA Direct inward system access
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DISABL Disable
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DISC Disconnect (LAP-D command)
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DISD Direct inward subscriber access
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DIST Distribute point board
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DIU Deactivate indication
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DIU Digital interface unit
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DIU Digroup interface unit (DACS)
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DIV (Ger) Digital exchange
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DIVF (Ger) Div for long distance service
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DIVO (Ger) Div for local service
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DJ Digit trunk INTER/TRA blocal 1-26
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DK Data link INTER/TRA blocal 1-26
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DL Dial
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DL Dictation line INTER/TRA blocal 1-26
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DL1PE DLI 1 parity error
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DL5MDA Someone who collects each ISDN abbrevation crossing his way
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DLAB Divisor latch access bit
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DLC Data link control
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DLC Data link controller assignment for clusters
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DLC Digital loop carrier
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DLCI Data link connection identifier (i.440: SAPI+TEI)
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DLCU Digital line carrier unit
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DLE Data link escape (ascii control)
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DLI Data link interface
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DLI0I Data link 0 interrupt
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DLI1I Data link 1 interrupt
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DLISW DLI switch error
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DLL Dial long lines
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DLM Data link module
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DLN Direct link node
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DLNORSP Init response not received from data link.
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DLOPE Dual link interface (DLI) 0 parity error
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DLP Data level point
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DLS Digital line section
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DLS Digital link service
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DLTHA Display trouble history all (LMOS command)
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DLTU Digital line trunk unit
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DLTU Digital line/trunk unit
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DLU-PG Digital line unit-pair gain
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DLUC Digital line unit control
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DLYR Delayed readiness
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DM DMR
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DM Delta modulation
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DM Disconnected mode (LAP-D response)
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DMA Direct memory access
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DMB Digital multipoint bridge
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DMERT Duplex multiple environment real time
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DMI Digital multiplexed interface
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DML Data manipulation logic
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DMLHG DSN/AUTOVON MLHG
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DMQ Deferred maintenance queue
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DMS Data management system
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DMS Digital multiplex system (i.e. DMS 10, DMS 100)
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DMS Digital multiplexed system
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DMU Data manipulation unit
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DN Directory number
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DN Directory numbers
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DN Distribution network panel
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DN Down
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DN Mail distribution frame - COSMOS defult
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DNC Dynamic network controller
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DNH Directory Number Hunting
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DNHR Dynamic non hierarchical routing
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DNHR Dynamic nonhierarchical routing
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DNI Digital network interconnecting
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DNIC Data network identification code
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DNIC Data network identification code (ISO 7498)
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DNR Detaled number record
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DNR Dialed number recorder
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DNX Dynamic network X-connect
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DO Direct-out dial INTER/TRA blocal 1-26
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DOC Dynamic overload control
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DOC Dynamic overload controls messages.
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DOCS Display operator console system
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DOD (USA) Dept. of defense
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DOJ Department of justice
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DOM Data on master group
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DOTS Digital office timing supply
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DOV Data over voice
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DP Demarcation point
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DP Dial pulse
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DP Digital data-2 4 kb/s INTER/TRA blocal 1-26
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DPA Different premises address
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DPA Dispatch
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DPA Distributed power architecture
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DPAC Dedicated plant assignment card
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DPAC Dedicated plant assignment center
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DPC Destination point code (SSY)
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DPCM Differential PCM
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DPE Data path extender
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DPGS Digital pair gain systems
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DPIDB Direct PIDB
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DPIDB Directly connected peripheral interface data bus
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DPLL Digital phase locked loop
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DPN Dip purge number
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DPN-PH Data packet network-packet handler
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DPNSS Digital private network signaling system (BT)
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DPP Discounted payback period
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DPP Distributed processing peripheral
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DPR Dip report and removal
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DPSK Differential phase shift keying
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DPSK Differential phased-shift keying
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DPT Data parameter testing
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DPT Department name
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DPU Digital patch unit
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DQ Digital data-4 8 kb/s INTER/TRA blocal 1-26
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DQR Design quota system report
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DQS Design quota system
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DR Data ready
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DR Data receive
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DR Deactivate request (C/I channel code)
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DR Deactivation request
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DR Digital data-9.6 kb/s INTER/TRA blocal 1-26
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DRAM Digital record announcement machine
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DRAM Dynamic ram
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DRCS Dynamically redefinable character sets
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DRHR Division of revenue hourly
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DRMU Digital remote measurement unit
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DRTLRT Dial repe tie lindal repeatie t
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DRU DACS remote unit
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DS Data set
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DS Digital carrier span
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DS Digital signal
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DS Direct signal
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DS-0 Digital signal 0 (one channel at 64 kb/s)
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DS-0A Digital signal at a subrate level on DS-0 for one customer
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DS-0B Digital signals at a subrate level on DS-0 facility for one
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or more CU
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DS-1 Digital signal level one
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DS0 Digital signal zer0
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DSBAM Double-sideband amplitude module
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DSBLD Disabled (default).
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DSC Digital cross-connection systems
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DSC Digital subscriber controller AM79C3A
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DSCT Digital service copper transport
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DSDC Direct service dial capability
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DSI Digital speech interpolation
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DSIG Direct signaling
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DSK Disk
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DSL Digital subscriber line
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DSL Digital suscriber line
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DSLG digital subscriber line group (DSLG)
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DSLINIT DSL initialization.
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DSM Digital switching module
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DSMX (Ger) Digital signal multiplexer
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DSN Defense switched network/automatic voice network
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DSN Digital signal (level) n
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DSNE Double shelf network equipment frame
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DSNOFC DSN/AUTOVON office totals
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DSNTG DSN/AUTOVON trunk group
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DSP Digital signal processing
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DSP Digital signal processing or digital signal processor
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DSP Digital signal processor
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DSP Domain specific part (ISO 7498)
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DSR Data set ready
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DSR Display results
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DSR Dynamic service register
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DSRTP Digital service remote test port
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DSS Data station selector
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DST Destination of order response
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DSU Data service unit
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DSU Data servicing unit
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DSU Digital service unit
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DSU2 Diditalservice unit
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DSX Digital cross-connect
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DSX Digital signal cross-connect
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DT DI-group terminal
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DT Data through (C/I channel code in test mode)
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DT Data transmit
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DT Detect dial tone
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DT Due time
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DT1 Data form class 1
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DTAC Digital access connector
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DTAC Digital test access connector
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DTAC Digital test access connector (links SMAS and SLC-96)
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DTAM Document transfer access and manipulation
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DTAS Digital test access system
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DTAU Digital test access unit
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DTC Data test center
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DTC Di-group terminal controller
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DTC Digital telephone controller (ARCOFI + IBC + ICC)
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DTC Digital trunk controller
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DTE Data terminal equipment
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DTE Print current date
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DTF Dial tone first (pay phone)
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DTG Direct trunk group
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DTIF Digital transmission interface frame
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DTM Data test module
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DTM Digital trunk module
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DTMF Dual-tone multifrequency
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DTR Data terminal ready
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DTRK Digital Trunks
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DTRK Digital trunks (line and trunk)
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DTU Di-group terminal unit
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DTU Digital test unit
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DU Data upstream (i.e. IOM2)
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DU Deactivation request upstream (C/I channel code)
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DUIH Direct user interface handler
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DUP Data user part
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DUP Duplicate
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DUR Duration
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DUV Data under voice
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DVA Design verified and assigned
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DVX Digital voice exchange
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DW Digital data-56 kb/s INTER/TRA blocal 1-26
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DX Duplex
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DY Digital service (under 1 mb/s) INTER/TRA blocal 1-26
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DYRECT Sides dynamic real time communication tester (in sitest)
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E E (receive) signal lead (moreover Ear part of E&M)
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E Equipment direction
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E Remote trunk arrangement position subsystem (rta/pss) from troubl
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E&M Receive & transmit/ear & mouth signaling
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E-COM Electronic computer originated mail
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E1 Equipment system
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E800 Enhanced 800 Service
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E911 Enhanced 911
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EA Equal access end office
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EA Expedited data acknowledgement (SS7: in SCCP)
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EA Extended adress
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EA Switched acess INTER/TRA blocal 1-26
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EAAT Equal access alternative technologies
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EADAS Engineering and administration data acquisition system
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EADAS/NM EADAS/network management
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EAEO Equial access end office
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EAI Emergency action interface
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EAP Equal access plan
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EARN European academic research network
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EAS Extended announcement system
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EAS Extended area service
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EASD Equal access service date
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EB Enfia ii end office trunk INTER/TRA blocal 1-26
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EBAC Equipmentc billing accuracy control
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EBCDIC Extended binary coded decimal interexchange code
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EBSP EBS prefix translations
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EBSP Enhanced business services prefix translations
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EC ESS entity and control group number
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EC Echo canceller
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EC Enfia ii tandem trunk INTER/TRA blocal 1-26
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EC Environment code
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EC European community
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EC Exchange carriers
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ECAP Electronic customer access program
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ECC Enter cable change
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ECCS Economic c (hundred) call seconds
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ECD Equipment configuration database
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ECDMAN Equipment configuration database manager
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ECF Enhanced connectivity facility
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ECL Emitter coupled logic
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ECMA European computer manufactueres association
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ECPT Electronic coin public telephone
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ECR Exchange carrier relations
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ECS Electronic crosconnect system
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ECS Equipment class of service
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ED Enter date
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EDAC Electromechanical digital adapter circuit
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EDD Envelope delay distortion
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EDI Electronic data interchange
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EDP Electronic data processing
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EDSC Electronic directory customer counts (ISDN BRCS)
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EDSX Electronic digital signal x-connect
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EDZ Facility emergency assignment list
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EE Combined access INTER/TRA blocal 1-26
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EE Initials of supervisor reviewing this ticket.
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EEC Electronic equipment cabinet
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EECT End-to-end call trace
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EEDP Expanded electronic tandem switching dialing plan
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EEE Electronic equipment enclosures
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EEHO Either end hop off
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EEI Equipment-to-equipment interface
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EEPROM Electrically erasable programmable read only memory
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EF Entrance facility-voice grade INTER/TRA blocal 1-26
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EFCTS Electronic custom telephone service
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EFRAP Exchange feeder route analysis program
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EG Type #2 telegraph INTER/TRA blocal 1-26
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EIA Electronic industries association
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EIS Expanded inband signaling
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EISS Economic impact study system
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EIU Extended interface unit
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EIn Error indication n (C/I channel code)
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EKTS Electonic key telephone service
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EKTS Electronic key telephone sets
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EL Emergency reporting line INTER/TRA blocal 1-26
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ELA Entity load analysis
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ELDS Exchange line data service
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ELECL Electrical
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ELEMNTS Elements
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ELI Electrical line interface
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EM Emergency reporting center trunk INTER/TRA blocal 1-26
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EM Encription module
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EM End of medium (ASCII control)
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EMC Electromagnetic capability
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EMC Electromagnetic compatibility
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EME Electromagnetic emission
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EMI Electromagnetic interference
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EML Expected measured loss
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EMM Expandable mos memory
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EMS Electromagnetic susceptibility
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EMS Expanded memory specification
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EMSCC Electromechanical switching control center
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EMV EMC (german)
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EN Entity
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EN Entity number
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EN Exchange network acess facility INTER/TRA blocal 1-26
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ENABL Enable
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ENFIA Exchange network facility for interstate access
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ENHMT Enhancement
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ENQ Enquiry
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ENTDT Entered date and/or time
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EO End office
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EOC Embedded operation channel
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EOE Electronic order exchange
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EOM End of message
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EOS Extended operating system
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EOTT End office toll trunking
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EP Entrance facility-program grade INTER/TRA blocal 1-26
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EP Expedited data (SS7: in SCCP)
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EPIC Extended PIC
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EPL Electronic switching system program language
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EPROM Erasable programmable read-only memory
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EPSCS Enhanced private switched communication service
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EQ Equalizer
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EQ Equipment only-(network only) assignment INTER/TRA blocal 1-26
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EQPT Equipment
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ER Enhancement request
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ER Error register
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ER Exception report
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ERAR Error return address register
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ERC Error control (IOS)
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EREP Environmental recording editing and printing
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ERF Emergency restoration facility
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ERL Echo return loss
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ERP Effective radiated power
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ERPMP Exception report pumper
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ERR Error
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ERRS Errors
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ERTS Error rate test set
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ERTS Error rate test sets
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ERU Error return address update
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ES Extension service-voice grade INTER/TRA blocal 1-26
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ESAC Electronic systems assistance center
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ESAP Emergency Stand-Alone prefix
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ESAP Emergency stand-alone prefix
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ESB Emergency service bureau
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ESC Enhanced speech circuit
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ESC Escape (ASCII control)
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ESC Three way calling USOC
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ESCC2 Extended high level serial communication controller
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ESCC8 Like ESCC2
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ESD Electrostatic discharge
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ESD Extened super framing
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ESF Extended super frame
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ESF Speed calling USOC
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ESFF Extended superframe format
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ESL Emergency stand-alone
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ESL Essental service
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ESL Speed calling 8 code USOC
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ESM Call forwarding USOC
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ESM Economic study module
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ESMTC Electronic system maintance
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ESN Electronic serial number (Cell)
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ESN Electronic switched network
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ESN Emergency service number
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ESP Enhanced service procider
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ESP Enhanced service providers
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ESP Essential service protection
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ESP Print entire summary table
|
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ESS Electronic switching system
|
|
ESSX Electronic switching systen exchange
|
|
EST Established
|
|
ESTAB Establish
|
|
ESX Call waiting USOC
|
|
ET Entrance facility-telegraph grade INTER/TRA blocal 1-26
|
|
ET Exchange termination
|
|
ETAS Emergency technical assistance
|
|
ETB End of transmission block
|
|
ETC Estimated trunk ccs value
|
|
ETF Electronic toll fraud
|
|
ETL Equipment test list
|
|
ETN Electronic tandem network
|
|
ETRI Electronics and telecommunications research institute (ROK)
|
|
ETS Electronic tandem switching
|
|
ETS Electronic translation systems
|
|
ETSACI Electronic tandem switching adminstration channel interface
|
|
ETSSP ETS status panel
|
|
ETX End of text
|
|
EU End user
|
|
EU Extension service-telegrasph grade INTER/TRA blocal 1-26
|
|
EUPOT End user-point of termination
|
|
EV Enhanced emergency reporting trunk INTER/TRA blocal 1-26
|
|
EV Expected value
|
|
EVB Busy call forward USOC
|
|
EVC Bust call forward extended USOC
|
|
EVD Delayed call forward USOC
|
|
EVD Delayed call forwarding
|
|
EVST (Ger) End exchange
|
|
EW Off network MTS/WATS equivalent service INTER/TRA blocal 1-26
|
|
EWSD (Ger) Electronic dialing system (digital)
|
|
EX Exercise
|
|
EXD ECS crossloading option
|
|
EXD Extra digit
|
|
EXD Extra digit (MDII)
|
|
EXP Extra pulse
|
|
EXP Extra pulse (MDII)
|
|
EXT Extension
|
|
EXTC Expenditure type code
|
|
F Facility direction
|
|
F Fault (indicator)
|
|
F Office or base unit from trouble report.
|
|
F1 Facility system
|
|
FA Frame aligner
|
|
FA Fuse alarm
|
|
FAA Facility accepted (SS7 in ISUP)
|
|
FAC Facility
|
|
FAC Facility Assiment Center
|
|
FACD Facility changed msg.
|
|
FACS Facilities assignment and control system
|
|
FADS Dorce administration
|
|
FANALM Fan alarm
|
|
FAP Facilities analysis plan
|
|
FAR Facility request (SS7: in ISUP)
|
|
FAR Federal acquisition regulation
|
|
FAS Frame alignment signal
|
|
FAST First application system test
|
|
FAT File allocation table
|
|
FAX Faximile
|
|
FC Feature control
|
|
FC Frame control
|
|
FC From cable
|
|
FC/EC Function code and environment code
|
|
FCA Final closure abandon (MDII)
|
|
FCAP Facility capacity
|
|
FCC Federal communications commission
|
|
FCC Forward command channel
|
|
FCC Frame control center
|
|
FCD Frame comtinuity date
|
|
FCG False cross or ground
|
|
FCS File control systemction
|
|
FCS Frame check sequence
|
|
FD Private line-data INTER/TRA blocal 1-26
|
|
FDD Frame due date
|
|
FDDI Fiber distributed data interface (x3t9.5)
|
|
FDI Feeder/distribution interfaces
|
|
FDM Frequency division multiplex
|
|
FDM Frequency-division multiplexing
|
|
FDMA FDM access
|
|
FDP Field development program
|
|
FDT Frame due time
|
|
FDX Full duplex
|
|
FDY Set fiscal day for LAC
|
|
FEA Custom calling feature/PIC
|
|
FEA Customer feature
|
|
FEAT Feature
|
|
FEAT Features
|
|
FEBE Far end block error (IOM2 monitor message)
|
|
FEC Forward error correction
|
|
FECC Front end communication computer
|
|
FED Far end data
|
|
FELP Far end loop process
|
|
FEMF Foreign electro-motive force
|
|
FEPS Facility and equipment planning system
|
|
FEV Far end voice
|
|
FF Check appropriate space where trouble is located
|
|
FF Form feed
|
|
FG Group-supergroup spectrum INTER/TRA blocal 1-26
|
|
FGA Feature group A
|
|
FGB Feature group B
|
|
FGC Feature group C
|
|
FGD Feature group D
|
|
FGE Feature group E
|
|
FGK Feature group K (ISDN Q.931)
|
|
FIB Forward indication bit (SS7)
|
|
FID Field indentifiers
|
|
FIFO First in
|
|
FIFO First in first out (storage)
|
|
FIL Filter
|
|
FIN Facility information msg.
|
|
FIOC Frame input/output controller
|
|
FIP Facility interface processor
|
|
FIPS Federal information processing standards
|
|
FISU Fill in signal unit (SS7)
|
|
FITL Fiber in the loop
|
|
FJ Frame jump (C/I channel code)
|
|
FKP False key pulse
|
|
FKP False key pulse (MDII)
|
|
FL Fault locate
|
|
FL Fault location
|
|
FLA Flag
|
|
FLD Field
|
|
FLEXCOM Fiber optic communication
|
|
FLR Frame layout report
|
|
FLT Flat
|
|
FM Frequency modulation
|
|
FM01 DCT alarm activated or retired - 1AESS
|
|
FM02 Possible failure of entire bank not just frame - 1A
|
|
FM03 Error rate of specified digroup - 1AESS
|
|
FM04 Digroup out of frame more than indicated - 1AESS
|
|
FM05 Operation or release of the loop terminal relay-1AESS
|
|
FM06 Result of digroup circuit diagnostics -1AESS
|
|
FM07 Carrier group alarm status of specific group - 1AESS
|
|
FM08 Carrier group alarm count for digroup - 1AESS
|
|
FM09 Hourly report of carrier group alarms - 1AESS
|
|
FM10 Public switched digital capacity failure - 1AESS
|
|
FM11 PUC counts of carrier group errors - 1AESS
|
|
FMAC Facility maintance administration center
|
|
FMAC Facility maintenance and control
|
|
FMC Force management center
|
|
FMM Finite message machine
|
|
FN Feature number
|
|
FN File name
|
|
FNBE Far and near end block error (IOM2 monitor message)
|
|
FNPA Foreign numbering plan area
|
|
FOA First office application
|
|
FOC Fiber optic communications
|
|
FON Fiber optics network
|
|
FOR Frame order report
|
|
FORPOT Foreign potential.
|
|
FOS Frame operations summary
|
|
FOS-ALC Fiber optic systems maintance - Alcatel
|
|
FOS-ROCK Fiber optic system maintance - Rockwell
|
|
FOT Forward transfer (SS7: in ISUP)
|
|
FP Functional protocol
|
|
FPC Foundation peripheral controller
|
|
FPC Frequency comparison pilots
|
|
FPS Fast packet switching
|
|
FR Fire dispatch INTER/TRA blocal 1-26
|
|
FR Fixed resistance
|
|
FR Flat rate
|
|
FRAC Frame aligner circuit
|
|
FRC Forced request configuration
|
|
FREQ Frequency
|
|
FRJ Facility rejected msg. (SS7 in ISUP)
|
|
FRMR Frame reject (LAP-D response)
|
|
FRPS Field reliability performance studies
|
|
FRQ Facility request message
|
|
FRS Flexible route selection
|
|
FS File separator
|
|
FS/SYM Function Schematic/Symbol Numbers (1AESS Test access)
|
|
FSA False start abandon
|
|
FSA False start abandon on incoming trunk
|
|
FSC Frame synchronization clock (i.e. IOM2)
|
|
FSK Frequency shift keying
|
|
FSN Forward sequence number
|
|
FT Foreign exchange trunk INTER/TRA blocal 1-26
|
|
FT Frame time
|
|
FTA Frame transfer analysis
|
|
FTC Frame transfer completion
|
|
FTE Frame transfer establishment
|
|
FTG Final trunk group
|
|
FTL Frame transfer lets
|
|
FTP File transfer protocol
|
|
FTR Frame transfer reprint
|
|
FTS Federal telecommunications system
|
|
FTW Frame transfer withdrawal
|
|
FUNCS Functions
|
|
FV Voice grade facility INTER/TRA blocal 1-26
|
|
FW Wideband channel INTER/TRA blocal 1-26
|
|
FWD Forward
|
|
FWM Frame work management
|
|
FWS Frame work station
|
|
FX Foreign exchange
|
|
FX Foreign exchange INTER/TRA blocal 1-26
|
|
FXO Foreign exchange circuit office direction
|
|
FXS Foreign exchange circuit station direction
|
|
G Spare box. use for special studies.
|
|
GAP (Ec) group of analysis and provision (for ONP)
|
|
GB Great britain
|
|
GBS Group bridging service
|
|
GC Group card
|
|
GCE Gated Oscillator Error
|
|
GCI General circuit interface (IOM/u(k0)-interface)
|
|
GCON Generic conditions
|
|
GCP Generate Control pulse
|
|
GCR General configuration register
|
|
GCS Group control system
|
|
GDSUCOM Global DSU common
|
|
GDSUCOM Global digital service unit common
|
|
GDX Gated diode crosspoint
|
|
GDXACC Gated diode crosspoint access
|
|
GDXC Gated diode crosspoint compensator
|
|
GDXCON Gated diode crosspoint control circuit
|
|
GEISCO General electric information services company
|
|
GFR General facility report
|
|
GG Getails of reported trouble.
|
|
GH Gain hit
|
|
GHZ Gigahertz
|
|
GID Group ID
|
|
GKCCR Generated key collection and compression routine
|
|
GLA Generate lists for assignment
|
|
GND Ground
|
|
GNS Gainslope
|
|
GNS Gainslope test (SARTS command)
|
|
GOC General order control (TIRKS)
|
|
GOS Grade of service
|
|
GP Group processor
|
|
GPA Gas pressure alarm
|
|
GPIB General purpose interface bus
|
|
GPPC General purpose power controller
|
|
GPS Global positioning system
|
|
GR General requirments (BellCoRe)
|
|
GRA GRS acknowledgement
|
|
GRASP Generic access package
|
|
GRD Ground fault.
|
|
GRD Ground.
|
|
GRID Line unit grid.
|
|
GRP Group
|
|
GRP MOD Group modulator
|
|
GRS Circuit group reset (SS7: in ISUP)
|
|
GS Ground start (on-hook normal)
|
|
GS Group separator
|
|
GSA General services administration
|
|
GSAT General telephone and electronics satellite corporation
|
|
GST Ground start signaling
|
|
GSZ Group size
|
|
GTC General telephone company
|
|
GTE General telephone electronics
|
|
GTEI Global tei
|
|
GTS Gamma transfer service
|
|
GTT Global title transmission
|
|
GWY Gateway
|
|
Ger German
|
|
H Hold state (in EOC)
|
|
H Hours
|
|
H Trouble ticket number. subparagraph 5.6.4.
|
|
H&D High and dry (trunk test)
|
|
H- High-
|
|
H-RAP Hardware reliability assurance program
|
|
HAC Hands-free add-on circuit (for speakerphone)
|
|
HBS Hunt group blocks of spares
|
|
HC High capacity 1.544 mb/ps-service code for LATA access
|
|
HC Hunt count
|
|
HCDS High capacity digital service
|
|
HCDS High-capacity digital services
|
|
HCFE High-capacity front end
|
|
HCSDS High-capacity satellite digital service
|
|
HCTDS High-capacity terrestrial digital service
|
|
HD High capacity 3.152 mb/ps-service code for LATA access
|
|
HDB3 High-density bipolar 3 (cept PRI)
|
|
HDFI HSM digital facilities interface
|
|
HDLC High level DLC
|
|
HDLC High-level data link control
|
|
HDSL High bit-rate digital subscriber line
|
|
HDTV High definition television (soon to be the new buzz word!!)
|
|
HDW Hardware
|
|
HDX Half duplex
|
|
HE High capacity 6.312 mb/ps-service code for LATA access
|
|
HEAP Home energy assistance program
|
|
HEHO High end hop off
|
|
HF High capacity 6.312-service code for LATA access
|
|
HF Hunt-from telephone number
|
|
HFCC High capacity facility control center
|
|
HFR Hardwara failure rate
|
|
HG High capacity 274.176 mb/s-service code for LATA access
|
|
HGBAF Hardware group blocking acknowledgment failure
|
|
HGR Hunt group report
|
|
HGS Hunt group summary
|
|
HGUAF Hardware group unblocking acknowledgment failure
|
|
HH History header
|
|
HH Record of repair activity.
|
|
HI High
|
|
HI High impedance (C/I channel code)
|
|
HI Highway interrupt
|
|
HIC Hybrid integrated circuit
|
|
HIM Host interface module
|
|
HIS Hunting ISH
|
|
HK Hook
|
|
HL IT Siemens semiconductors (hl)
|
|
HLC Highest lead factor group count
|
|
HLDG Holding
|
|
HLLAPI High level language application program interface
|
|
HLSC High-level service circuits
|
|
HM1 Intercom plus USOC
|
|
HMCL Host message class assignment
|
|
HMP Intercom plus
|
|
HNPA Home numbering plan area
|
|
HNS Hospitality network service
|
|
HOBIC Hotel billing information center
|
|
HOBIS Hotel billing information system
|
|
HOLD Call hold (i.253 b)
|
|
HP Hewlett-packard
|
|
HP Non-DDS digital data 2.4 kb/s INTER/TRA blocal 1-26
|
|
HPO High performance option
|
|
HQ Non-DDS digital data 4.8 kb/s INTER/TRA blocal 1-26
|
|
HR Hour
|
|
HR Non-DDS digital data 9.6 kb/s INTER/TRA blocal 1-26
|
|
HRS Hours prefix
|
|
HS High capacity subrate-service code for LATA access
|
|
HSCC High level serial communication controller sab82520
|
|
HSCX Extended hscc sab82525
|
|
HSM Host switching module
|
|
HSSDS High-speed switched digital service
|
|
HT Horizontal tabulator
|
|
HT Hunt-to telephone number
|
|
HTI Highway transfer interrupt
|
|
HU High usage
|
|
HU High-usage trunk
|
|
HUNT Hunting
|
|
HUTG High usage trunk group
|
|
HW High and wet.
|
|
HW High-and-wet
|
|
HW Non-DDS digital data 56 kb/s INTER/TRA blocal 1-26
|
|
HW Pcm highway
|
|
HZ Hertz
|
|
I Cable and pair or associated equipment
|
|
I Information (LAP-D command)
|
|
I Installation
|
|
I Invalid
|
|
I&I Investment and inventory
|
|
I&M Customer services installation and maintenance
|
|
I&M Installation & maintenance
|
|
I- Information (numbered i-frames)
|
|
I/O Ineffective other
|
|
I/O Input/output devices
|
|
I/O Tnput/output
|
|
I0 Feature removed
|
|
I1 Added feature
|
|
IA Immediate action
|
|
IA Ineffective attempts
|
|
IAA Ineffective attempt analysis.
|
|
IAAN Immediatel action report
|
|
IAC0 DLI 0 access error
|
|
IAC1 DLI 1 access error
|
|
IACS Intergrated access cross-connected system
|
|
IAD Incomplete address detected (incoming)
|
|
IAM Initial address msg. (SS7: in ISUP)
|
|
IB Instruction buffer
|
|
IBC ISDN burst transceiver circuit
|
|
IBN Integrated business network
|
|
IBROFC ISDN BRCS and Analog Office totals
|
|
IC Incoming call (x.25)
|
|
IC Independent carrier
|
|
IC Installation centers
|
|
IC Inter-LATA carrier
|
|
IC Inter-exchange carrier
|
|
IC Interexchange carriers
|
|
IC/MC Installation and maintence centers
|
|
ICA Incoming advance
|
|
ICA Incoming advance (MDII)
|
|
ICAN Individual circuit analysis
|
|
ICAO International civil aviation organization
|
|
ICC ISDN communications controller
|
|
ICC Interstate commerce commission
|
|
ICCU Inmate call control unit
|
|
ICD Interactive call distribution
|
|
ICL Intra-RSM communication link
|
|
ICLID Individual calling line id
|
|
ICM Integrated call management
|
|
ICN Interconnecting network
|
|
ICOM (taiwan) integrated communication
|
|
ICOT Intercity and outstate trunk
|
|
ICP Intercept
|
|
ICPOT Interexchange carrier-point of termination
|
|
ICSC Inter-LATA customer service center
|
|
ICSC Interexchange carrier service center
|
|
ICSC Interexchange customer service center
|
|
ICUG International closed user groups
|
|
ICUP Individual circuit usage and peg count
|
|
ICUR Individual circuit usage recorder
|
|
ID Idle control code
|
|
IDA (gb) interated digital access (b64+b8+d8)
|
|
IDC Information distribution companies
|
|
IDCI Interim defined central office interface
|
|
IDCU Integrated digital carrier unit
|
|
IDCU Integrated digital carrier unit .
|
|
IDCU Integrated digital carrier unit i.e. AT&T Series 5 RT FP 303G
|
|
IDDD International direct distance dialing
|
|
IDEC ISDN d-channel exchange controller
|
|
IDF Intermediate distributing frame
|
|
IDI Initial domain identifier (ISO 7498)
|
|
IDLC Integrated digital loop carrier
|
|
IDLC Intergrated digital loop carrier
|
|
IDP Individual dialing plan
|
|
IDPC Integrated data protocol controller
|
|
IDS Internal directory system
|
|
IDVC Integrated data/voice channel
|
|
IEC ISDN echo cancellation circuit
|
|
IEC Interexchange carrier
|
|
IEC International electrotechnical comission
|
|
IEC-P (old name of iec-q3)
|
|
IEC-Q1 Iec for 2b1q peb2091
|
|
IEC-Q2 Iec-q specially for lt and NT1 (without microprocessor)
|
|
IEC-Q3 Iec-q with parallel processor interface (i.e. for daml)
|
|
IEC-T Iec for 4b3t peb2090
|
|
IEEE Institute of electrical and electronics engineers
|
|
IEPC ISDN exchange power controller
|
|
IF Intermediate frequency
|
|
IFAC Integrated digital carrier unit facility
|
|
IFRB International frecuency registration board
|
|
IFRPS Intercity facility relief planning system
|
|
IFS (switzerland) integrated telecom service
|
|
IGS Idenitfy graphic subrepertoire (teletex)
|
|
IIN Integrated information network
|
|
IJR Input a jeopardy reason
|
|
ILC ISDN link controller
|
|
ILINE IDCU line counts.
|
|
IM Input mux
|
|
IM Interface module
|
|
IMA Additional ineffective machine attempts
|
|
IMAS Integrated mass announcement system
|
|
IMC IOS mailbox control
|
|
IMCAT Input message catalog
|
|
IMCF Interoffice multiple call forwarding
|
|
IMD Intermodulation distortion
|
|
IMM Input message manual
|
|
IMMU IOS memory management unit
|
|
IMP Impedance
|
|
IMP Impules per minute
|
|
IMP Interpersonal messaging protocol (x.420: p2)
|
|
IMS Interprocessor message switch
|
|
IMT Inter-machine trunk
|
|
IMTS Improved mobile telephone service
|
|
IMU Input measured ccs usage data
|
|
IN Intelligent network
|
|
IN/1 Intelligent network/1
|
|
INA Intergrated network access
|
|
INAP Intelligent network access point
|
|
INC Incoming trunk groups
|
|
INC International calling
|
|
INC International carrier
|
|
INC SEL Incoming selector
|
|
INCAS-A Integrated network cost analysis - access
|
|
INCAS-LT Integrated network cost analysis - local and toll
|
|
INCAS-S Integrated network cost analysis - shared
|
|
INCAS/E Integrated network cost analysis system
|
|
INCAS/I Integrated network cost analysis system - embedded
|
|
INCIS Integrated network cost information system
|
|
INCP Incomplete
|
|
IND Individual
|
|
INF Information
|
|
INF Information (SS7: in ISUP)
|
|
INIT Allocation table initalization
|
|
INL Inter node link
|
|
INN Inter node network
|
|
INQ Complete circuit inquiry
|
|
INR Information request (SS7: in ISUP)
|
|
INS (japan) information network system (b64+b16+d8)
|
|
INT Interrupt (i.e. C/I channel code)
|
|
INTCCTRL International code control (NTI)
|
|
INTCHG Interexchange
|
|
INTEGRIS Integrated results information service
|
|
INTELSAT International telecommunications satellite consortium
|
|
INTR Interrupt
|
|
INW INWATS [code 258(8000-8299)]
|
|
INWATS Inward wide area telecommunications system
|
|
INWATS Inward wide area telephone service
|
|
INWBLKD INWATS returned blocked
|
|
INWBLKD Inward wide area telecommunications service (INWATS) returned
|
|
blocked
|
|
INWBUSY INWATS all lines busy
|
|
INWCCBL INWATS code control blocked
|
|
INWDBOV INWATS data base overload
|
|
INWDBTO INWATS data base timeout
|
|
INWDSBL INWATS direct signaling blocked
|
|
INWNNPA INWATS nonpurchased NPA
|
|
INWNNPA INWATS nonpurchased numbering plan area (NPA)
|
|
INWNOXL INWATS returned no translation
|
|
INWONPA INWATS invalid ONPA
|
|
INWONPA INWATS invalid originating numbering plan area (ONPA)
|
|
INWOVLD INWATS returned overload
|
|
INWUNEQ INWATS returned unequipped
|
|
INWVLIN INWATS vacant line number
|
|
INWVNXX INWATS vacant NXX
|
|
IO Inward operator
|
|
IOAU Input/output access unit (univac)
|
|
IOC Independent operating company
|
|
IOC Input/output controler (shelf)
|
|
IOC Integrated optical circuit
|
|
IOC International overseas center
|
|
IOCC International overseas completion center
|
|
IOCP Input/output configuration process
|
|
IOCS Input/output control system
|
|
IODB IDCU on-demand B-channel
|
|
IOI Secondary input/output interface pack(s)
|
|
IOM ISDN-oriented modular (architecture and interfaces)
|
|
IOM2 Extended iom
|
|
IOMI Input/output microprocessor interface
|
|
IOP Input-output processor
|
|
IOP Input/output Processor
|
|
IOP Input/output driver
|
|
IOP Input/output processor
|
|
IOS ISDN operational software
|
|
IOS Input/output supervisor (IBM)
|
|
IOS Inventory order system
|
|
IOSF Input/output shelf assignment
|
|
IOT Inter-office trunk
|
|
IOT Interoffice test command (SARTS command)
|
|
IOT Interoffice testing
|
|
IOTC International originating toll center
|
|
IP Information provider
|
|
IP Inprogress
|
|
IP Intermediate point
|
|
IP Internet protocol
|
|
IPABX ISDN pabx
|
|
IPAC ISDN pc adapter circuit
|
|
IPACS Interactive planning & control system
|
|
IPAT ISDN primary access transceiver
|
|
IPB Sipb
|
|
IPBC IOM2 PBC (old name for EPIC)
|
|
IPC Inter-process communication
|
|
IPC Interprocess communication
|
|
IPCS IOS process control system
|
|
IPCS Installation product costing system
|
|
IPCS Interactive problem control system
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IPIB Intelligent personal computer interface board
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IPIDB IDCU peripheral interface data bus
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IPL Initial program load
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IPL Interoffice private line signaling
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IPL Interoffice private line signaling test (SARTS command)
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IPLAN Integrated planning and analysis system
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IPLS InterLATA private line services
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IPM Impulse per minute
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IPM Impulses per minute
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IPM Interruptions per minute
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IPP IOS protocol part
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IPP Integrated planning process
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IPPC Interdepartmental project planning committee
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IPR Installation performance results system
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IPS Installation performance results
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IPS Integrated Provisioning System
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IPS Integrated provisions system
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IPX Integrated packet exchange
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IQS Instant request system
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IR Incoming register
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IRBR Integrated resource billing report system
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IRC International record carrier
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IRIS Industry relations information system
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IRLF Incoming register link frame
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IRM Information resource management
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IRMC Incoming register marker connector
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IRO Industry relations operations
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IROR Internal rate of return
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IRP Integrated revenue planning
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IRPC ISDN remote power control psb2120
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IRR Internal rate of return system
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IRRS Interactive request and retrieval system
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IRS Industrial revenue summary
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IRT IDCU remote digital terminal
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IRU Integrated recovery utility (sperry)
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IS Interrupt set
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IS/SADQ Interstate special access demand quantification
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ISA Indicate status application
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ISAC-P ISDN subscriber access controller
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ISAC-S ISDN subscriber access controller
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ISAM Indexed sequential access method
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ISC Intelligent serial controller
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ISC International switching center
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ISC Planintercompany services coordination plan
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ISC/TE Information systems center for technical education
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ISCAR Information systems costs analysis reports
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ISCOM SWBT intercompany service coordination (ISC) order monitor
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ISCP Integrated service control point
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ISCP/MSAP ISCP/multi-service application platform
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ISCP/SPOCK ISCP/service provisioning and on-line creation tool kit software
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ISDN Integrated services digital network
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ISF Inquire on a single facility
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ISG Isolated system grounding
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ISH Complete circuit inquiry short
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ISI Industry support layout
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ISIS Interstate settlements information system
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ISLM Integrated services line module
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ISLU Integrated services line unit
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ISLUCC Integrated services line unit common controller
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ISLUCD Integrated services line unit common data
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ISLUHLSC Integrated services line unit high level service circuit
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ISLUMAN Integrated services line unit metallic access network
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ISLURG Integrated services line unit ringing generator
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ISM ISDN switching module
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ISM Interactive synchronous mode
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ISMP Industry specific measurement plan
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ISMS Integrated service management system
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ISMTL Information systems management training
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ISN Information systems network
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ISN Integrated systems network
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ISNET Interim solution network (Kansas city only)
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ISO Information systems organization
|
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ISO International organization for standardization
|
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ISOFC ISDN office totals
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ISOPDB Information systems organization planning data base
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ISOSS Intercompany service order switching system
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ISP Intermediate service part
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ISPBX Integrated systems PBX
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ISPC International signaling point code (SS7)
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ISPF Interactive system productivity facility
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ISPI ISDN packet interface
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ISRP Information systems rules panel
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ISS Integrated switching system
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ISS Issue
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ISSANRC Interstate special access non-recurring
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ISSC Interfunction special service coordination
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ISSCO Intertoll
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ISSN Integrated special services network
|
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ISSN Intergrated specal services network
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ISSS ISDN supporting system
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ISTA Interrupt status register
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ISUP ISDN user part
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ISUP ISDN user part (SS7: q.76x)
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ISUP Integrated services user part
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IT Inactivity test (SS7: in SCCP)
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IT Intertandem tie trunk INTER/TRA blocal 1-26
|
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ITAC ISDN terminal adaptor circuit
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ITC Independent telephone company
|
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ITC Interdepartmental training center at dallas-texas for
|
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ITD Intertoll dial
|
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ITEA Interoffice trunks engineering and administration
|
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ITF Integrated test facility
|
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ITG Intergrated traffic generator
|
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ITIMS Integrated transportation information management system
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|
ITIMS/IE Itims/information expert
|
|
ITM Cable pair item number
|
|
ITNA Improves thrid number acceptance
|
|
ITNO Item number
|
|
ITS Institute of telecommunication science
|
|
ITS Integrated test system
|
|
ITS Interactive training system
|
|
ITSE Incoming trunk service evaluation
|
|
ITSO Incoming trunk service observation
|
|
ITSTC Information technology steering committee (cen
|
|
ITT Idle trunk test
|
|
ITU International telecommunication union
|
|
ITU International telecommunications union
|
|
ITVSE Intermediary transport vendor service center
|
|
ITW Instructional technology workshop
|
|
IU Network/port interface unit
|
|
IUP Installed user program (IBM)
|
|
IVD Integrated voice data
|
|
IVP Installation verification procedures
|
|
IVP Installation verification program
|
|
IVTS International video teleconferencing service
|
|
IWF Interworking facility (gateway)
|
|
IWU Interworking unit (gateway)
|
|
IX Interactive executive
|
|
IXC Or icinterexchange carrier
|
|
IXM Interexchange mileage
|
|
IZ Interzone
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