CA Communications Assistant
CAD Computer Aided Design
CAM Computer Aided Manufacturing
CAN Campus Area Network
CAP Carrierless Amplitude/Phase (modulation)
CAP Competitive Access Provider
CARP Cache Array Routing Protocol
CARS Cable Antenna Relay Services
CASE Computer Aided Software Engineering
CATV Community Antenna Television
CB Citizens Band
CBR Constant Bit Rate
CBSC Centralized Base Site Controller
CCC Clear Channel C
CCCH Common Control Channel
CCITT Consultative Committee for International Telegraphy and Telephony
CCR Customer Controlled Reconfiguration
CCS Common Channel Signaling
CCSNC Common Channel Signaling Network Controller
CCSS 6 Common Channel Signaling Systems 6
CCTV Closed Circuit Television
CCU Central Control Unit
CD Compact Disk
CDCS Continuous Dynamic Channel Selection
CDG CDMA Development Group
CD-R Compact Disk-Recordable
CD-ROM Compact Disk-Read Only Memory
CDMA Code Division Multiple Access
CDO Community Dial Office
CDPD Cellular Digital Packet Data
CDR Call Detail Recording
CEI Comparably Efficient Interconnection
CEMA Consumer Electronics Manufacturers Association
CENTREX Central Office Exchange
CGI Common Gateway Interface
CGSA Cellular Geographic Servicing Areas
CHAP Challenge Handshake Authentication Protocol
CICS Customer Information Control System (IBM Corp.)
CIF Common Intermediate Format
CIO Chief Operations Officer
CIR Committed Information Rate
CIX Commercial Internet Exchange
CLASS Custom Local Area Signaling Services
CLEC Competitive Local Exchange Carrier
CLI Calling Line Identification
CLP Cell Loss Priority
CMI Cable Microcell Integrator
CMIP Common Management Information Protocol
CMIS Common Management Information Services
CMRS Commercial Mobile Radio Service
CNR Customer Network Reconfiguration
CNS Complementary Network Service
CO Central Office
CON Concentrator
COPS Common Open Policy Service
CORBA Common Object Request Broker Architecture
CoS Class of Service
COT Central Office Terminal
CP Communications Processor
CP Connection Point
CP Coordination Processor
CPE Customer Premises Equipment
CPID Calling Party Identification
CPS cycles per second (Hertz)
CPU Central Processing Unit
CRC Cyclic Redundancy Check
CRIMP Connectivity Routing and Infrastructure Modeling Program (Cablesoft, Inc.)
CSA Carrier Serving Area
CSM Communications Services Management
CSMA/CD Carrier Sense Multiple Access with Collision Detection
CSU Channel Service Unit
CT Cordless Telecommunications
CTI Computer-Telephony Integration
CUG Closed User Group
CVSD Continuously Variable Slope Delta (modulation)
