Ал Ал ом Бл Ал Ал млл лм Бл ВлАллллпАл ммм Бл мм млллмАлппплАл Ал лл А ллБл Бл лл БллппплмБллппАлмммп АлАллл лл А ллБл Бл лл Бл АлБл Алм АмлпплАл Ал пл ллп Аллл пллмАлпллллпБл АлллпАлммлВАл Ал Outbreak Magazine Issue #11 - Article 13 of 18 '~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' // TAR - Telco Acronym Reference // // by dual_parallel // // http://www.oldskoolphreak.com >>>shouts to C4 and the DDP <<< *XX - speed dialing 5ESS - #5 Electronic Switching System AABS-APS - Automated Alternate Billing Services-Automated Position System AAC - Alarm Conversion Circuit AAL - ATM Adaptation Layer ACD - Automated Call Distributor ACE - ATM Circuit Emulation ACQS - Automated Charge Quotation Services ACTS - Automated Coin Toll Service ADAS - Automated Directory Assistance System ADSL - Asymmetrical Digital Subscriber Line AFM - ATM Feed Multiplexer AIN - Advanced Intelligen Network AIU - Access Interface Unit ALI - Automatic Location Identification AM - Administrative Module AMA - Automatic Message Accounting AMLB - Automated Muti Leaf Bulletin ANAC - Automated Number Announcement ANAC - Automatic Number Announcement Circuit ANI - Automatic Number Identificaiton ANI - Automatic Number Identifier APPRC - Application Recent Change APS - Automated Position System ARU - Audio Response Unit ASCII - American Standard Code for Information Interchange ASM - Administrative Service Module ASP - Advanced Services Platform AT - Administrative Terminal A-TA - Asynchronous-Terminal Adapter ATA - Automated/Automatic Trouble Analysis (OSS-network) ATM - Asynchronous Transfer Mode ATMI - ATM Interface Unit BAF - Bellcore AMA Format BAIU - Broadband Access Interface Unit BICC - Bearer Independent Call Control BLNA - Busy Line No Answer BLV - Busy Line Verification BMI - Begin Managed Introduction BRCS - Business and Residence Custom Services BRI - Basic Rate Interface BST - Basic Service Terminal BVA - Billing Validation Application BW - Bandwidth CALEA - Communication Assistance to Law Enforcement Act CAMA - Centralized Automatic Message Accounting CAP - Carrierless Amplitude and Phase CAPIS - Customer Accessible Product Information System CAS - Customer Account Services CCC - Call Content Channel CCC - Commercial Credit Card CCI - Computer Consoles Incorporated CCIS6 - Common Channel Interoffice Signaling System Number 6 CCITT - International Telegraph and Telephone Consultative CCQS - Centralized Charge Quotation Service CCRS - Bellcore Customer Change Reuqest System CCS - Common Channel Signaling CDC - Call Data Channel CDMA - Code Division Multiple Access CDP - Custom Dialing Plan CDPD - Cellular Digital Packet Data CDX - Compact Digital Switch CFR - Centralized Flexible Rating CFV - Call Fowarding Variable CI2 - Control Interface 2 CIC - Carrier Identification Code CLASS - Customer Local Area Signal System CLEC - Competitive Local Exchange Carrier CM - Communications Module CMC - Cellular Mobile Carrier CMP - Communication Module Processor CMT - CCS Message Transport CNA - Connecting Network Access CNA - Customer Name Address CNI - Change Number Intercept CNI - Common Network Interface CO - Central Office COMDAC - COMmon Data And Control Circuit CORE40 - MC68040 based processor CORE60 - MC68060 based processor CPE - Customer Premise Equipment CSD - Circuit Switched Data CSS - Cluster Support System CSV - Circuit Switched Voice CTI - Computer Telephone Integration DA - Directory Assistance DA/LS - Directory Assistance/Listing Service DAA - Directory Assistance Automation DACC - Directory Assistance Call Completion DACS/C - Directory Assistance System Computer DAL - Data Access Line DAL - Direct Access Link DF2 - Data Fanout 2 DCI - DSCh Computer Interconnect DCLU - Digital Carrier Line Unit DCPPU - Direct Current Power Protection Unit DCS - Digital Cellular Switch DDM - Dual Digtal Multiplexer DDS - Digital Data Service DID - Direct Inward Dial DII - Direct Intelligent Interface DIOR - Direct International Orginations DLC - Digital Loop Carrier DLTU - Digtial Line Trunk Unit DMT - Discrete Multi-Tone DN - Directory Number DNT - Dialed Number Trigger DNU - Digital Network Unit DNU-S - Digital Networking Unit-SONET DOJ - Department of Justice DOPS - Digital Ordering and Planning System DRM - Distinctive Remote Module DS-0 - Digital Signal Level 0 (1 Channel/64 Kbps) DSCh - Dual Serial Channel DSL - Digital Subscriber Line DSLAM - Digital Subscriber Line Access Multiplexer DSU2-RAF - Digital Subscriber Unit 2-Recorded Announcement Function DTMF - Dual Tone Multi Frequency EADAS - Engineering and Administrative Data Acquisition System EAIU - Expanded Access Interface Unit EAS - Extended Area Service EC - Echo Cancellation ECD - Equipment Configuration Database ECP - Engineering Change Procedure EDU - External Disk Unit EIS - External Information System EM - Element Management EMS - Element Management System EOTAS - External Operator Trouble Report Analysis System ESA - Emergency Service Adjunct ESN - Emergency Service Number EVRC - Enhanced Variable Rate Coding EXM2000 - Extended Module 2000 FACR - Feature Activation Counting & Reconciliation FCA - Fully Coded Addressing FCCS - Foward Call-Call Screening FDMA - Frequency Division Multiple Access FEP - Front End Process FFA - First Feature Applicaiotn FGD - Feature Group D FMC - Force Management Center FMO - Future Mode of Operation FMSI - Force Management System Interface FR - Frame Relay GMB - Group Make Busy GSM - Global System for Mobile Communications HDSL - High bit-rate DSL HOBIC - Hotel Billing Information Center HOBIS - Hotel Billing Information Service HSM - Host Switching Module IAM - Initial Address Message ICC - Illinois Commerce Commission IDDD - International Direct Distance Dialing ILEC - Independent Local Exchange Carrier IN - Intelligent Network IP - Intelligent Peripheral ISAS - ISDN Smart Attendant Services ISDN - Integrated Services Digital Network ISLU - Integrated Services Line Unit ISP - Intermediate Switching Point ISP - Internet Service Provider ISUP - ISDN User Part ISVM - Interswitch Voice Messaging iVTOA - Integrated Voice Telephony Over ATM IXC - Interexchange Carrier JIP - Jurisdiciton Information Parameters Kbps - Kilobits per second LAG - Line Access Gateway LASS - Local Area Signaling Services LCC - Line Class Code LD - Long Distance LDAP - Lightweight Directory Access Protocol LDIT - Local Digit Interpreter Table LDSU - Local Digital Service Unit LEA - Law Enforcement Agency LEC - Local Exchange Carrier LIDB - Line Information Data Base LNP - Local Number Portability LRN - Local Routing Number LS - Listing Service LSDB - Listing Services Data Base LSPI - Local Service Provider Identificaiton LTD - Local Test Desk LTS - Loop Test System LTSB - Line Time Slot Bridging LU - Line Unit MARCH - Bellcore System for end office service requests MBG - Multiswitch Business Group Mbps - Megabits per second MCC - Master Control Center MDBA - Multiple Data Base Access MDF - Main Distruting Frame MDN - Mobile Directory Number MECH - More Efficient Call Handling MF - Multi-Frequency MFFU - Modular Fuse and Filter Unit MHD - Moving Head Disk MLPP - MultiLevel Precedence and Preemption MM - Multi-Media MMB - Member Make Busy MMRSM - Multi-Module Remote Switching Module MMSU - Modular Metallic Service Unit MP - Modem Pool MSA - Metro Service Area MSC - Mobile Switching Center MTB - Metallic Test Bus MUX - MUltipleX MWI - Message Wating Indicator NAES - Network Administration and Engineering Support group NAI - Network Access Interrupt NCT - Network Control and Timing NEBS - National Electrical Building Standards NEBS - New Equipment and Building Standards NEL - Next Event List NI-2 - Network Interconnect NOTIS - Network Operator Trouble Information System NP - Number Portability NPA - Number Portability Area NPV - Net Present Value NRC - Network Reliability Center NRPM - Notice of Proposal Rule Making NSC - Network Software Center NT - Network Termination NTP - NetMinder NXX - Office code OA&M - Operations, Administration, and Maintenance OAP - OSPS Adminstrative Processor OC-1 - Optical Carrier-1 ODBE - Office Data Base Editor ODD - Office Dependent Data OHD - Off-Hook Delay OIU - Optical Interface Unit OLS - Originating Line Screening OMP - Operations Maintenance Platform ORDB - Operator Reference Data Base ORM - Optically Remote Terminal OS - Operating System OSDE - On-Site Data Evolution OSPS - Operator Services Position System OTO - Office-To-Office OTR - Operator Trouble Reports OWS - OSPS Operator Services Workstation OXU - Optical Transmission Unit PCM - Pulse Code Modulation PCS - Personal Communications Services PCT - Peripheral Control and Timing PCTFI - Peripheral Control and Timing Facility Interface PDC - Packet Data Channel PDS 3.0 - Packet Driver Solution 3.0 PF - Private Facility PH - Packet Handler PH - Protocol Handler PHV - Protocol Handler for Voice PIDB - Peripheral Interface Data Bus PLI - Peripheral Link Interface PLTU - PCT Line and Trunk Unit PMO - Present Mode of Operation PO - Peripheral Optioning PPP - Point-to-Point Protocol PRI - Primary Rate Interface PSAP - Public Safety Answering Point PSDI - Pin Service Denial Indicator PSM - Position Switching Module PSTN - Public Switched Telephone Network PSU - Packet Switch Unit PVC - Permanent Virtual Circuit QoR - Query on Release QPH - Quad-link Protocal Handler QSS - Quote Support System RADSL - Rate-Adaptive Digital Subscriber Line RAF - Recorded Announcement Function RAO - Revenue Accounitng Office RaP - Record and Playback RAS - Remote Access Server RAS - Remote Access Service RASM - Recorded Announcement Systems Manager RBOC - Regional Bell Operating Company RC - Recent Change RC/V - Recent Change/Verify REX - Routine Exercise RFA - Receive Frame Area RISLU - Remote ISDN Line Unit RN - Ring Node ROP - Read Only Printer RSD - Rapid Software Delivery RSM - Remote Switch Module RT - Remote Terminal RTBM - Real-Time Billing Memory RTCD - Real-Time Call Detail RTRS - Real-Time Rating System RTU - Right-To-Use SABM - Stand-Alone Billing Memory SAS - Security Administration System SAS - Security Announcement System SCC - Switching Control Center SCE - Service Creation Environment SCE - Signal Conversion Electronics SCN - Service Circiut Node SCP - Service Control Point SEI - Switch Engineering Information SG-SS7 - 7R/E Signaling Gateway-SS7 SH - Stop Hunt busy SLC - Subscriber Loop Carrier SM - Switch Module SM-2000 - Switching Module-2000 SMC - Switch Module Control SMDS - Switched Multimegabit Digital Service SMF - Single Mode Fiber SMP - Switching Module Processor SMS - Service Management System SMSI - Simplified Message Service Interface SODD - Static Office Dependent Data SONET - Synchronous Optical NETwork SPID - Service Profile Indicator SPs - Service Providers SQL - Standardized Query Language SS7 - Signaling System Number 7 SSP - Service Switching Point STLWS - Supplementary Trunk-Line Work Station STP - Signal Transfer Point STS - Synchronous Transport Signals STS-1 - Synchronous Transport Signal Level 1 (672 Channels/51.840 Mbps) SU - Software Update SVC - Swithced Virtual Circuit T&A - Toll and Assistance TAPI - Telecomminucation Application Programming Interface TCAP - Transaction Capabilities Application Part TCP-IP - Transmission Control Protocol-Internet Protocol TCS - Terminating Code Screening TDMA - Time Division Muiple Access TDMS - Transmission Distortion Measuring Set TIRKS - Trunk Integrated Record Keeping System Title III - US Code - Title III TMS - Time Multiplexed Switch TNM - Total Network Management System (OSS-network) TR - Operator Trouble Reports TRCU - Transmission Rate Converter Unit TRCU3 - Transmission Rate Converter Unit 3 TSICNTL - Time Slot Interchange Control TSICOM - Time Slot Interchange Common board TSMS - Telephone Status Monitor and Select TSP - Telephone Service Provider UNI - User-Network Interface USB - Universal Serial Bus UUCP - UNIX to UNIX Copy VCDX - Very Compact Digital Switch VCP - Visual Call Pickup VDT - Video Display Terminal VRCP - Voice Recognition Call Processing WDLC - Wireless Digital Loop Carrier XAIU - MultipleX Access Interface Unit XAT - X.25 Protocol Over T1 Facility