%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% %% %% Various Telecom Acronyms %% %% %% %% Written By Mr.Skill %% %% %% %% Date of Release 7/17/91 %% %% %% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ AC: Access Code ACCS: Automatic Calling Card Service ACD: Automatic Call Distributor ACE: Automatic Calling Equipment ACTS: Automated Coin Toll Service ADTS: Automated Digital Terminal System AIOD: Automatic Identification of Outward Dialing AIS: Automated Intercept System AMA: Automatic Message Accounting AMAT: Automatic Message Accounting Transmitters AMARC: Automatic Message Accounting Recording Center AMACS: Automatic Message Accounting Correcton System ANAC: Automatic Number Announcment Circuit ANI: Automatic Number Identification ANIF: Automatic Number Identification Failure APF: All PIN's Fail ARC: Audio Response Controllers APS: Attached Processor System ARS: Automatic Route Selection ATB: All Trunks Busy AVD: Alternate Voice Data BILLDATS: BILLing DATa System BANCS: Bell Administration Network Communications System BIOS: Basic Input Output System BLV: Busy Line Verification BMOSS: Building Maintenance Operating Service System BNS: Billed Number Screening BOCC: Building Operations Control Center BOSS: Billing and Order Support System CAC: 1. Carrier Access Code 2. Circuit Administration Center CAIS: Cololated Automated Intercept System CAMA: Centralized Automatic Message Accounting CAROT: Centralized Automatic Reporting On Trunks CBX: Computer Branch eXchange CCIS: Common Channel Interoffice Signalling CCM: Customer Control and Management CCN: Credit Card Number CCS: Credit Card Service CCSA: Common Control Switch Arrangement CD: Carrier Detect CDA: 1. Caller Data Accumulator 2. Coin Detection and Announcement CDR: Call Detail Recorder CIC: Carrier Identification Code CLASS: Custom Local Area Signalling System CLID: CaLler IDentification CMC: Cellular Mobile Carrier CNA: Customer Name and Address C.O.: Central Office COAO: Customer Owned And Operated COCS: Circuit Order Control System CORC: Customer Oreinted Recent Change COS: Class Of Service COSMOS: COmputer System for Mainframe OperationS CPC: Circuit Provision Center CSDC: Circuit Switch Digital Capability CSS: Control Sub-System CU: Control Unit DAC: Direct Access Code DACS: Digital Access Cross-connects System DAMT: Direct Access Mechanized Testing DAO: Direct Assistance Operator DCD: Data Carrier Detect DCS: Duplicated Call Store DDD: Direct Distance Dialing DDS: 1. Digital Data Service 2. Digital Data System DID: Direct Inward Dialing DK: Data linK DLC: Digital Loop Carrier DLS: Data Line Service DN: Directory Number DNA: Digital Network Archietecture DNIC: Data Network Identification Code DNR: Dialed Number Recorder DOV: Data Over Voice DPAC: Dedicated Plant Assignment Card DS: Digital Switch DSI: Data Subscriber Interface DSU: Digital Service Unit DTI: Digital Trunk Interface DTF: Dial Tone First DTMF: Dual Tone Multi-Frequency EAS: Extended Area Service EC: Exchange Carrier ECCR: Exchange Cable Conductor Recorders EDI: Electronic Data Interchange EKTS: Electronic Key Telephone System ESS: Electronic Switching System FACC: Facility Assignment and Control Center FACS: Facility Assignment and Control System FDM: Frequency Division Multi-plexing FED: Far End Data FEV: Far End Voice FGA: Feature Group A FGB: Feature Group B FGC: Feature Group C FGD: Feature Group D FLL: Fixed Loss Loop FNPA: Foreign Numbering Plan Area FSD: Feature Specific Document FX: Foreign eXchange GAB: Group Access Bridging GOD: Global Out Dial HUCS: High Unduplicated Call Store ICAN: Individual Circuit ANalysis ICVT: In Coming Verification Trunk IDN: Intergrated Digital Network IEC: Inter Exchange Carrier INTT: Incoming No Test Trunk IPTO: Information Processing Techniques Office IRC: InteRnational Office ISDN: Intergrated Services Digital Network IXC: Inter eXchange Carrier LAC: Loop Assignment Center LADT: Local Area Data Transport LAIS: Local Automated Intercept System LAMA: Localized Automatic Message Accounting LAN: Local Area Network LAPB: Link Access Procedure Balanced LATA: Local Access and Transport Area LBS: Load Balance System LCAMOS: Loop Cable Administration and Maintance Operating System LCC: Line Class Codes LEC: Local Exchange Company LEN: Line Equipment Number LMOS: Loop Maintenance Operating System LUCS: Low Unduplicated Call Store MAN: Metropolotan Area Network MCC: Master Control Center MDF: Main Distributing Frame MDU: Marker Decoder Unit MHS: Mail Handling System MLT: Mechanized Loop Testing MPOW: Multi-Purpose Operator Workstation MTS: Message Telephone System MTU: Maintenance Terminating Unit NAC: Network Administration Center NDCC: Network Data Collection Center NDS: Network Data Service NI: Network Interface NIC: Network Information Center NOC: Network Operations Center NPA: Numbering Plan Area NUA: Network User Address NUI: Network User Identification OCC: Other Common Carrier OGT: OutGoing Trunk OGVT: OutGoing Verification Trunk OLDP: Outside Loop Distribution Plant ONAC: Off-Network Access Line ONI: Operator Number Identification OPX: Off Premise eXtension OSI: Open System Interconnection OTC: Operating Telephone Company PABX: Private Automatic Branch eXchange PACT: Prefix Access Code Translator PACX: Private Automatic Branch eXchange PAD: 1. Packet Assembler/Dissasembler 2. Public Access Device PBX: Private Branch eXchange PCM: Pulse Code Modulation PDN: Private Data Network PIA: Plug-In Administration PIC: Primary Interexchange Carrier PICS: Plug-in Inventory Control System PIN: Personal Identification Number PJ: Phase Jitter PL: Private Line POP: Point of Presence PPSN: Public Packed Switched Network PREMIS: PREMisses Information System PSDS: Public Switched Digital Service PSN: Public Switched Network PSS: Packet Switching System PTN: Plant Test Number PTS: Position of TrunkS PTW: Primary Translation Word PVN: Private Virtual Network RAI: Rural Area Interface RAO: Regional Accounting Office RBOC: Regional Bell Operating Company RCMAC: Recent Change Memory Assistance Center REMOB: REMote service OBservation system REOC: Real Estate Operations Center RSS: Remote Switching System RSU: Remote Switching Unit RT: Remote Terminal SAC: Special Area Code SAI: Serving Area Interface SAS: Special Access Surcharge SCC: Switching Control Center SCCS: Switching Control Center System SCP: Signal Conversation Port SCSI: Small Computer System Interface SIG: Special Interest Group SLC: Subscriber Line Charge SOCC: Standard Optical Cable Code SONDS: Small Office Network Data System SOST: Special Operator actionS Treatment SPSS: Stored Program Switching System STP: Signal Transfer Point T&C: Time & Charges TAS: Telephone Answering Service TASC: Telecommunications Area Surveillance and Control TCM: Time Compression Multi-plexing TFS: Trunk Forecasting System TIRKS: Trunks Intergrated Records Keeping System TMRS: Traffic Measurement and Recording System TNDS: Total Network Data System TOC: Technical Operations Center TOPS: Toll Operating Position System TRC: Telephone Recording Center TSPS: Traffic Service Position System TSS: Trunk Service System TT: Touch Tone TTS: Trunk Time Switch UCD: Uniform Call Distributor USOC: 1. Uniform Service Order Code 2. Universal Service Order Code VANS: Value Added Network Service VAX: Virtual Architecture eXtensions VMB: Voice Mail Box VMS: Virtual Memory System WAN: Wide Area Network WATS: Wide Area Telephone Service WC: 1. Wire Center 2. Wire Connections XBAR: Cross BAR XBT: Cross Bar Tandem ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -EOF-