Acronym Guide - C

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C2C - Connect2Compete (FCC Program)

C&WF - Cable and Wire Facility

CA - Certification Authority

CB - Certification Body

CABS - Carrier Access Billing System

CAC - Carrier Access Code

CAC - Circuit Administration Center

CAC - Connection Admission Control 

CAC - Customer Administration Center

CACM - Connect America Cost Model

CAF - Connect America Fund

CAF BLS - Connect America Fund Broadband Loop Support

CAF ICC - Connect America Fund Intercarrier Compensation

CALEA - Communications Assistance for Law Enforcement Act of 1994

CALLS - Coalition for Affordable Local and Long Distance Service

CAM - Cost Allocation Manual

CAMA - Centralized Automatic Message Accounting

CAN-SPAM - Controlling the Assault of Non-Solicited Pornography and Marketing Act of 2003

CAP - Competitive Access Provider

CAP - Cost Analysis Procedures 

CAPEX - Capital Expenditure

CARE - Customer Account Record Exchange

CAT - Category

CATV - Cable Television

CBIC - Carrier Billing Inquiry Center

CBOL - Consumer Broadband Only Loop

CBR - Constant Bit Rate

CBT - Computer Based Training

CC - Company Code

CC - Common Carrier Bureau Docket

CCB - Common Carrier Bureau of the FCC (now Wireline Competition Bureau)

CCC - Clear Channel Capability

CCF - Call Control Function

CCIS - Common Channel Interoffice Signaling System

CCL - Carrier Common Line

CCM - Connectivity Check Message

CCNA - Customer Carrier Name Abbreviation

CCS - Common Channel Signaling

CCSA - Common Control Switching Arrangement

CCT - Circuit

CDAR - Customer Detailed Account Recording

CDC - Call Data Channel

CDMA - Code Division Multiple Access

CDP - Customer Designated Premise

CDR - Call Detail Recording

CE - Carrier Ethernet

CE - Connection Endpoint

CEA - Centralized Equal Access 

CEI Plan - Comparably Efficient Interconnection Plan

CESR - Carrier Ethernet Switch/Router

CET - Carrier Ethernet Transport

CETC - Competitive Eligible Telecommunications Carrier

CFM - Connectivity Fault Management

CFR - Code of Federal Regulations

CGB - Consumer and Governmental Affairs Bureau of the FCC

CHOK - Choke Network (Trunk Access Limitation Arrangement)

CI - Channel Interface

CI - Customer Installation 

CIA - Capital Investment Allowance

CIB - Consumer Information Bureau

CIC - Carrier Identification Code

CIMAP - Circuit Installation and Maintenance Assistance Package

CIPA - Children’s Internet Protection Act

CIR - Committed Information Rate

CKT - Circuit

CL - Common Line

CLASS - Customer Local Area Signaling Service

CLCI - Common Language Circuit Identifier

CLE - Customer Located Equipment (CPE)

CLEC - Competitive Local Exchange Carrier 

CLEI - Common Language Equipment Identifier

CLI - Calling Line Identification

CLLI™ - Common Language Location Identifier

CM - Cable Modem

CM - Channel Mileage

CMA - Cellular Market Area

CMDS - Centralized Message Distribution System

CMF - Channel Mileage Facility

CMR - Centralized Mail Remittance

CMRS - Commercial Mobile Radio Services

CMT - Channel Mileage Termination

CMTS - Cable Modem Termination System

CN - Called Number

CN - Charge Number

CN - Customer Node

CNA - Customer Name and Address

CNP - Charge Number Parameter

CNS - Complementary Network Service

CO - Central Office

COAM - Customer Owned and Main

COCOT - Customer-Owned Coin-Operated Telephone

COE - Central Office Equipment

COE - Connection Oriented Ethernet

COG - Centralized Operations Group

COLR - Carrier of Last Resort

COMPTEL - Competitive Telecommunications Association

COP - Central Office Port

CoS - Class of Service

COSMOS - Computer System for Mainframe Operations

COTS - Commercial-Off-the-Shelf

CPD - Competition Policy Division of the FCC

CPE - Customer Premises Equipment

CPE - Customer Provided Equipment

CPI - Consumer Price Index

CPL - Cost Per Loop

CPN - Calling Party Number

CPNI - Customer Proprietary Network Information

CPOC - Carrier Point of Contact

CPP - Customer Premise Port

CPU - Central Processing Unit

CQBAT - CostQuest Broadband Analysis Tool

CRIS - Customer Records Information System

CSOC - Carrier Service Order Center

CSP - Carrier Selection Parameter

CSP - Communications Service Provider

CSU - Customer Service Unit

CSWC - Customer Serving Wire Center

CT - Channel Termination

CTIA - Cellular Telecommunications & Internet Association

CTX - Centrex

CWC - Cash Working Capital

CWDM - Coarse Wavelength Division Multiplexing

CWF - Cable and Wire Facility