C

C&C       Computers and Communications
CAD/CAM   Computer Aided Design/Manifacturing
CAE       Computer Aided Engineering
CAI       Common Air Interface (DECT)
CAM       Computer Aided Manufacture
CANARIE   Canadian Network for the Advancement of Research, Industry, and Education
CAP       Competitive Access Provider
CAP       Customer Administration Panel
CASE      Computer Aided Software Engineering
CATV      Cable Television
CBR       Constant Bit Rate (ATM)
CBS       Cost-Based Scheduling
CBX       Computer Branch Exchange
CCF       Call Control Function
CCIR      Comité Consultif International des Radiocomunications
CCIS      Common Channel Interoffice Signaling
CCITT     Consultative Committee on International Telegraphy and Telephony
CCITT     Comité Consultif International de Telegraph et Telephone
CCM       Connection Control Model
CCN       Community Care Network
CCR       Carrier and Clock Recovery
CCS       Common Channel Signaling
CCSS      Common Channel Signalling System
CD        Compact Disc
CDCS      Continuous Dynamic Channel Selection (DECT)
CD-I      Compact Disc-Interactive
CDMA      Code Division Multiple Access
CDPD      Cellular Digital Packet Data
CDR       Call Detail Recording
CD-ROM    Compact Disk-Read Only Memory
CEI       Comitato Elettrotecnico Italiano
CEN       Comité Europeen de Normalisation
CENELEC   COMITE' EUROPEEN DE NORMALISATION ELECTROTECHNIQUE
CEPS      Common Electronic Purse Specifications
CEPT      Conference of European Postal and Telecommunications
CEPT      Council of European Posts and Telecommunications
CERC      Concurrent Engineering Research Center
CERN      Centre for European Nuclear Research
CES       Coast Earth Stations
CEV       Controlled Environment Vault
CGI       Common Gateway Interface
CHAP      Challenge Authentication Protocol (PPP)
CI        Consistency Index
CIDR      Classless Internet Domain Routing
CIR       Committed Information Rate
CIR       Committed Information Resource
CL        Connectionless
CLASS     Custom Local Area Signaling Services
CLEC      Competitive Local Exchange Carriers
CLEF      Commercial Licensed Evaluation Facility (ITSEC)
CLI       Calling Line Identification (DECT)
CLNet     ConnectionLess Networks
CLNP      ConnectionLess Network Protocol
CLP       Cell Loss Priority (ATM)
CLV       Constant Linear Velocity (tecnica lettura CD-ROM con velocità angolare variabile)
CM        Commercial Message
CMIP      Common Management Information Protocol
CMIS      Common Management Information Services
CMISE     Common Management Information Service Element
CMOS      Complementary Metal Oxide Semiconductor
CMS       CDMA-based Mobile System
CMS       Customer Management System
CMYK      Cyan Magenta Yellow blacK
CNET      Centre National d'etudes des Telecommunications
CNI       Calling Number Identification
CNR       Carrier-to-Noise Ratio
CNT       Canadian National Telegraph
CO        Central Office
COC       Common Office Carrier
COMSAT    Communications Satellite Corporation
COMTAT    Central Office Multiple Technology Access Terminal
CONAP     Coalition of Open Network Architecture Parties
COnet     Connection-Oriented Networks
CONUS     CONtinental United States
CORBA     Common Object Request Broker Architecture
COU       Central Office Unit
CP        Connection Point
CPE       Customer Premises Equipment
CPFSK     Continuous Phase Frequency Shift Keying
CPIC      Common Programming Interface for Communications
CPM       Critical Path Method
CPM       Continuous Phase Modulation
CPODA     Contention Priority-Oriented Demand Allocation
CPSK      Coherent Phase Shift Keying
CPT       Canadian Pacific Telegraph
CPU       Central Processing Unit
CRC       Cyclic Redundancy Check
CRTC      Canadian Radio-Television and Telecommunications Commission
CRV       Call Reference Value
CS        Call Second
CS        Call Segment
CS1       Capability Set 1
CSC       Common Signaling Channel
CSCB      Canadian Society of Customs Brokers
CSD       Circuit Switched Data (GSM)
CSM       Call Segment Model
CSMA      Carrier Sense Multiple Access
CSMA/CD   Carrier Sense Multiple Access / Collision Detect
CSN       Complex Sales Negotiation
CSR       Customer Service Representative
CSTA      Computer Supported Telecommunications Application
CSU       Channel Service Unit
CT        Computer Telephony
CT-2[3]   Cordless Telephone (2nd[3rd] generation)
CTA       Cognitive Task Analysis
CTI       Computer Telephony Integration
CTIA      Cellular Telecommunications Industry Association
CTM       Cordless Terminal Mobility (DECT)
CTR       Common Technical Regulations (ETSI)
CTS       Cordless Telephony Standard
CU        Channel Unit
CUG       Closed User Groups
CVSD      Continuous Variable Slope Delta modulation
CW        Continuous Wave
CWA       CEN Workshop Agreement
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