117 B/L Backlog B6ZS Bipolar with 6 Zero Substitution B911 Basic 911 BAD BBS'ers Against Dweebs BAD Broken As Designed BAGS Bristol's Anti-Gay Society BAI Bank Administration Institute BAMAF Bellcore AMA Format BANCS Bell Administrative Network Communications System BAPCO Bellsouth Advertising & Publishing Company BASC Bad Austrian Swapping Crew BASIC Beginner's All-purpose Symbolic Instruction Code BB Bad Brains BBA Budget By Account BBS Bulletin Board System BBU Battery Back-Up BCC Blocked Call Cleared BCC Boys from Company C BCD Binary Coded Decimal BCD Blocked Call Delayed BCG Business Center Group BCS Batch Change Supplement BCS British Computer Society BDC Breakdown Demo Crew BDCS Broadband Digital Cross-Connect System BDS Black Dragon Society BDT Billing Data Transmitter BEF Band Elimination Filter BELLCORE Bell Communications Research BER Bit Error Rate BERT Bit Error Rate Test BETRS Basic Exchange Telecommunications Radio Service BG/EEE Below Ground Electronic Equipment Enclosures BGR Brotherhood of Gods and Retards BHC Busy Hour Calls BHS Black Hand Society BI Backplane Interconnect or Beginning Inventory BIM Basic Industry Marketing BIND Berkeley Internet Name Domain BIOS Basic Input Output System BISP Business Information System Program BIT Binary Digit BITNET Because Its Time Network BITNIC BITNET Network Information Center BIX Byte Information Exchange BJS Bureau of Justice Statistics BLAH Big Long and Hairy BLF Busy Line Field BLOT BLack OuT BLS Business Listing Service BLV Busy Line Verification BMC Basic Monthly Charge BMEWS Ballistic Missile Early Warning System BNF Backus-Naur Form BNL Brookhaven National Laboratory BNR Bell National Research BNS Billed Number Screening BOA Bill of Aggregation BOA Blanket Order Agreement BOC Bell Operating Company BOD Board of Directors (Budget) BOIS Business Office Information Systems BOM Bill of Materials BOO Bill of Organization BOR Basic Output Report BORSCHT Battery,Overvoltage,Ringing,Supervision,Coding,Hybrid,Test BOS Business Office Supervisor BOS Business and Office Systems BOSE Business and Office Systems Engineering BOSS Billing and Order Support System BOT Beginning Of Tape BOTE Brothers of the Eye BOW Best Of the Worst BPI Blacklisting People Inc. BPI Bits Per Inch BPM Business Planning Manager or Base Product Marketing BPN Comstar Business Plan BPOC Bell Point Of Contact BPS Bits Per Second BPSS Basic Packet Switching Service BQS Berkeley Quality Software BRATS Business Residence Account Tracking System BRCS Business Residence Customer Service BRI Basic Rate Interface BRM Basic Remote Module BRP Blade Runner Productions BRS Bibliographic Research Service BRS Big Red Switch BS Banded Signaling BSA Basic Service Arrangements BSA Business Software Association BSBH Busy Season Busy Hour BSC Binary Synchronous Communication BSC Business Service Center BSCM BiSynchronous Communications Module BSD Berkeley Software Distribution BSD Berkeley System Distribution BSE Basic Service Elements BSF Bell Shock Force BSOC Bell Systems Operating Company BSP Bell Systems Practice BSRFS Bell Systems Frequency Reference Standard BST Basic Services Terminal BSTJ Bell Systems Technical Journal BT Bus Terminator BTAM Basic Telecommunications Access Message BTL Bell Telephone Laboratories BTN Billing Telephone Number BTU British Thermal Unit BVA Billing Validation Application BVAPP Billing Verification and Authorization for Payment Process BVC Billing Validation Center BVN Banned Vision BWM Broadcast Warning Message BWQ Buzz Word Quotient BWT Broadcast Warning TWX BWTS BandWidth Test Set