Acronym

Description

B channel

Bearer channel (circuit-switched channel of 64 kbps for either voice or data)

B/I

Burn In (MFG)

b1

bit 1

B8ZS

Binary with Eight Zero Suppression

B8ZS

Bipolar 8 Zero Substitution (or Bipolar with 8-Zero Substitution)

BA

Basic Agreement

BA

Business Area (IS)

BAA

Business Area Analysis (IS)

BAC

Billing Account Code

BAFO

Best and Final Offer

balun

Balanced to Unbalanced

BAS

Basic System

BASIC

Beginner's All-purpose Symbolic Instruction Code

BB

Billing Block

BBER

Background Bit Error Ratio

BBF

Blue Box Fraud

Bc

Committed Burst Size

BCC

Block Check Character

BCD

Binary Coded Decimal

BCDR

Billing Call Detail Record

BCI

Bit-Count Integrity

BCON

Battery Connect

BCPL

Basic Combined Programming Language

BCR

Budget Comparison Report

BCS

Batch Change Supplement

BCS

Batch Change Supplement (Northern Telecom Inc.)

BCS

British Computer Society

BCS

Bulk Change Supplement

BCS

Bulk Change Supplement (AT&T)

BCS

Business Communications System

BCSA

Business Communications System Architecture

BCT

Business Communications Terminal

BDAM

Basic Direct Access Method

BDLC

Burroughs Data Link Control

BDM

Badger Meter

BDP

Business Data Processing

BDS

Bill Delivery Systems

BDT

Billing Data Transmitter

BE

Board Enable

Be

Excess Burst Size

BEA

Bureau of Economic Analysis (Dept. of Commerce)

BEARS

Batch Error Analysis Resolution System

BECN

Backward Explicit Congestion Notification

BEL

10 decibels/transmission units giving the ratio of two powers

Bellcore

Bell Communications Research

BERT

Bit Error Rate Test(ing)

BEST

Building Excellence in Supervisory Training

BEST

Building Excellence in Supervisory Training

BEX

Broadband Exchange

BFRP

Business Function Recovery Plan

BFs

Signaling framing bit sequence

BFt

Framing bit sequence

BH

Busy Hour

BHCA

Busy Hour Call Attempts

BHCA

Busy Hour Call Attempts

BIA

Business Impact Analysis

BIAC

Broadband Integrated Access Controller

BIC

Building Industry Consultant

BIC

Bus Interface Controller

BICT

Business Improvement Core Team

BIG

Billing Improvement Group (IPS)

BILLNUM

Billing Number Field in the CDR

BINAC

Binary Northrop Automatic Computer

BIP

Bit Interleaved Parity

BIP

Built In Place

BIS

Business Information Systems

BISAM

Basic Indexed Sequential Access Method

B-ISDN

Broadband ISDN

Bisync

Binary synchronous (character-oriented protocol)

Bit

Binary digit

BITS

Billable Traffic Study

BIU

Bus Interface Unit

BLDN

Blank Directory Number

BLERT

Block Error Rate Testing

BLF

Busy Lamp Field

B-link

The wired connection between the stage 1 switch in a Line Switch frame and the stage 0 switch in a Line Junctor Switch frame; the wired connection between the stage 1 switch in a Trunk Switch frame and the stage 0 switch in a Trunk Junctor Switch frame.

B-MAN

Broadband Metropolitan Area Network

BMC

Billing Media Converter

BMD

Biomedical (computer programs)

BMDP

Biomedical (computer programs-P series)

BMG

Business Marketing Group

BMG

Business Marketing Group (S)

BMIS

Business Maintenance and Installation Services

BMT

Basic Modular Telephone

BMU

Bus Multiplexing Unit

BN2

Broadband Network 2000

BNF

Backus-Naur Form

BNL

Brookhaven National Laboratory

BNR

Bell-Northern Research

BNS

Basic Network Services

BNS

Billed Number Screening

BOA

Basic Ordering Agreement

BOC(s)

Bell Operating Company (ies)

BOCC

Building Operation Control Center

BOD

Building Occupancy Date

BOLD

Bit Oriented Link Discipline (NCR)

BOM

Bill of Material (MFG)

BOM

Bill of Materials

BOR

Basic Output Report

BOSS

Billing and Order Support System

BP

Bipolar

BPAD

Bisynchronous Packet Assembler/Disassembler

bpi

bits per inch

BPR

Billing Problem Referral

bps

bits per second

BPS

Bits Per Second

BPSS

Basic Packet Switching

BPV

Bipolar Violation

BRC

Bus Repeater Card

BRCS

Business and Residence Customer Services

BRI

Basic Rate Interface

BRITE

Basic Rate Interface Transmission Extension

BROOT

Backup ROOT (UNIX file system)

BS

Banded Signaling

BS

Billing Server

BSA

Basic Serving Arrangement

BSA

Bulk Services Agreement

BSA

Business Systems Architecture (IS)

BSAM

Basic Sequential Access Method

BSC

Billing Server Client

BSC

Binary Synchronous Communication

BSC

Broadband Services Center ***

BSC

Business Service Center

BSC/SO

Business Service Center/Service Order

BSD

Business Systems Development (IS)

BSE

Basic Service Element

BSG

Business Services Group (S)

BSP

Bell System Practice

BSP

Burroughs Scientific Processor

BSRF

Basic Synchronization Reference Frequency

BSRF

Bell System Reference Frequency

BSRS

Bell System Repair Specification

B-Tables

Billing Rate Tables

BTAM

Basic Telecommunications Access Method

BTBA

Battery Termination Bus Assembly

BTN

Bell Telephone Number

BTN

Billing Telephone Number

BTSR

Bootstrapper

BVC

Billing Validation Center

BWM

Broadcast Warning Message

BX.25

AT&T version of X.25