C
C A : Certification Authority
C / R : Command/Response field bit
C 3 I : Command, Control, Communication & Information
C A : Call Agent
C A : Cell Allocation
C A B S : Carrier Access Billing System
C A C : Call/Connection Admission Control
C A D : Computer Aided Design
C A D / C A M : Computer Aided Design/Manufacturing
C A I : Charge Advice Information
C A I : Common Air Interface (Mobile)
C A I : Configuration and Alarm Interface
C A M : Communication Access Method
C A M : Computer Aided Manufacturing
C A M A : Centralized Automatic Message Accounting
C A M E L : Customized Application for Mobile Enhanced Logic
C A M I N A : Common Alcatel Management Interfaces
for Networks in the Access
C A M P : Channel Amplifier
C A N : Customer Access Network
C A P : Carrierless Amplitude Phase (Modulation)
C A P : Cellular Array Processor
C A P : Competitive Access Provider
C A P S : Call Attempts Per Second
C A S : Centralized Attendant Service
C A S : Channel Associated Signalling
C A S : CPE Alerting Signal
C A T : Common Authentication Technology
C A T V : Cable TV, Community Antenna TeleVision
C A U : Controlled Access Unit
C B : Cell Broadcast
C B B : Customer Care and Billing
C B C : Cell Broadcast Center
C B C H : Cell Broadcast CHannel
C B D S : Connection less Broadband Data Service
C B M : Channel Bank Multiplexer
C B M I : Cell Broadcast Message Identifier
C B R : Constant Bit Rate
C B S : Constant Bit Rate Services
C B S M S : Cell Broadcast Short Message Service
C B T : Computer Based Training
C B X : Computerised Branch eXchange
C C : Call Control
C C : Central Computer
C C : Competence Center
C C : Composite Clock
C C : Connection Coordinator
C C : Country Code
C C : Cross Connect
C C A F : Cluster Control Agent Function
C C B : Cluster Control Bus
C C B : Customer Care and Billing
C C B S : Call Completion to Busy Subscriber
C C B S : Customer Care and Billing System
C C C : Commercial Credit Card
C C C : Credit Card Call
C C C : Customer Care Center
C C C H : Common Control Channel
C C D : Charge Coupled Device
C C F : Call Control Function
C C F : Cluster Control Function
C C F : Conditional Control Forwarding
C C G : Central Clock Generator
C C H : Control CHannel
C C I S : Common-Channel Interoffice Signalling
C C M : Cross Connection Management (Software Subsystem)
C C M : Current Call Meter
C C N R c : Completion of Calls when Not Reachable
C C N R y : Completion of Calls when No Reply
C C P : Capability/Configuration Parameter
C C P : Cluster Control Processor
C C P E : Control Channel Protocol Entity
C C R : Commitment, Concurrency and Recovery
C C S : Calling Card/Customer Services
C C S : Central Computer System
C C S : Common Channel Signalling
C C S : Custom Calling Services
C C S 7 : Common Channel Signalling N°
C C S A : Common Control Switching Arrangement
C C T V : Close Circuit TV
C C U : Cluster Connection Unit
C C V : Credit Card Validation
C D : Call Deflection/Detail/Distribution
C D : Compact Disk
C D : Critical Dimension
C D : Collision Detection
C D A : Call Duration Advice
C D B : Clock Distribution Board
C D C A : Continuous Dynamic Channel Allocation
C D D I : Copper Distributed Data Interface
C D E : Custom Design Engineering
C D F : Channel Definition Format
C D I : Clock Distribution Interface
C D I : Compact Disk Interactive
C D L C : Cellular Data Link Control
C D M A : Code-Division Multiple Access
C D R : Call Data Records
C D - R O M : CD-Read Only Memory
C D T : Control Data Terminal
C D U : Central Display Unit
C D V : Cell Delay Variation
C D V : Compressed Digital Video
C E I R : Central Equipment Identity Register
C E L P : Code-Excited Linear Prediction
C E P : Circular Error Probable
C E S : Circuit Emulation Service
C F : Call Forwarding
C F : Conversion Facility
C F B : Call Forward Busy
C F N R : Call Forward No Reply
C F O : Customer Front Office
C F S : Call Forwarding System
C F U : Call Forwarding Unconditional
C G : Charging Gateway
C G A : Colour Graphics Adapter
C G I : Common Gateway Interface
C G - S O A s : Clamped-Gain SOAs
C G W : Customer GateWay
C H : C h a n n e l
C H A P : Challenge Handshake Authentication Protocol
C H A T : Conversational Hypertext Access Technology
C H P : Charging Point
C H R : Channel Reliability
C H V : Card Holder Verification information
C I : Cell Identity
C I A S : Circuit Inventory and Analysis System
C I C : Carrier/Circuit Identification Code
C I C S : Customer Information Control System
C I D : Caller IDentification
C I D : Craft Interface Device
C I D C W : Calling Line Identification on Call Waiting
C I D R : Classless InterDomain Routing
C I F : Common Intermediate Format
C I F S : Common Internet File System
C I L E : Call Information Logging Equipment
C I M : Computer Integrated Manufacturing
C I N : Communications Interconnection Network
C I P : Computer Interface Program
C I P H O N Y : Ciphered telePHONY
C I R : Carrier to Interface Ratio
C I R : Committed Information Rate
C I S C : Complex Instruction Set Computer
C I T : Computer Integrated Telephony
C I X : Commercial Internet Exchange
C K : Ciphering Key
C K S N : Ciphering Key Sequence Number
C L : Connection Less
C L : Controlled Load
C L A S S : Custom Local Area Signalling Services
C L D S : Connection Less Data Services
C L E : Common Logic Equipment
C L E : Customer-Located Equipment
C L E C : Competitive Local Exchange Carrier
C L I : Calling Line Identification
C L I D : Calling Line IDentification
C L I P : Calling Line Identification Presentation
C L I R : Calling Line Identification Restriction
C L K : C l o c k
C L M : ConnectionLess Manager
C L N I : Connection Less Network Interface
C L N P : Connectionless Network Protocol
C L P : Cell Loss Priority
C L R : Cell Loss Ratio
C L R : Connection Loudness Rating
C L S : Connection Less Server
C L S I : Custom Large Scale Integration
C L T P : Connectionless Transport Protocol
C L T S : Connectionless mode Transport Service
C M : Circuit Manager
C M : Configuration Management (Software Subsystem)
C M : Connection Management
C M B H : Complex Instruction Buried Heterostructure
C M C : Computer Mediated Communication
C M D : C o M m a n D
C M I : Clock Mark Inversion
C M I N T : COMmunications INTelligence
C M I P : Common Management Information Protocol
C M I S : Common Management Information Service
C M I S E : Common Management Information Service Element
C M L : Current Mode Logic
C M M : Capability Maturity Model
C M M : Channel Mode Modify
C M O S : Complementary Metal Oxide Semiconductor
C M P : Chemical - Mechanical Polishing
C M P : Cluster Management Processor
C M R : Cellular Manual Revision
C M R : Cellular Mobile Radio
C M R R : Common Mode Rejection Ratio
C M S : Changeable Message Sign
C M S : Cluster Management System
C M S / M D : Cluster Management System Mediation Device
C M T S : Cellular Mobile Telephone Services
C N : Control Network (ATM)
C N : Digital Concentrator (Concentrateur Numérique)
C N A E : Customer Network Access Equipment
C N E : Remote Digital Concentrator (Concentrateur Numérique Eloigné)
C N F : C o N F e r e n c e
C N I D R : Clearing House for Network Information and Discovery and Retrieval
C N L S : Connection Less
C N M : Customer Network Management
C N N : Composite Network Node
C N R : Carrier to Noise Ratio
C N R : Combat-Net Ratio
C N S : Complementary Network Service
C N S : Subscriber Digital Access Unit
C N S S : Core Nodal Switching Subsystem
C N T : Coaxial Network Termination
C N T L : C o N T r o L
C O : Central Office
C O : Connection Oriented
C O A M : Customer Owned and Maintained Equipment
C O B O L : Common Business Oriented Language
C O B U C O : Cordless Business Communications System
C O C H : COmmon control CHannel
C O D E C : Coder DECoder
C O D I R : Management Board
C O D S : Connection Oriented Data Service
C O F D M : Coded Orthogonal Frequency Division Multiplex
C O I : Code Inspection
C O L I : COnnected Line Identity
C O L P : Connected Line Identification Presentation
C O L R : Connected Line Identification Restriction
C O M : C O M p l e t e
C O M : Continuation Of Message
C O M E T : C++ OSI Management Extended Toolchain
C M M : Capability Maturity Model
C O M M : C O M M u n i c a t i o n s
C O M P A N D E R : C O M p r e s s o r - e x P A N D E R
C O M P U S E C : COMPUter SECurity
C O M S A T : Communications Satellite Corporation
C O M S E C : COMmunications SECurity
C O N : Connection Oriented Network Services
C O N E X : CONnectivity EXchange
C O N F I G : CONFIGuration control program
C O N N A C K : CONNect ACKnowledgement
CO N S : CONnection Service
C O N S : Connection-Oriented Network Service
C O N V : C O N V e r t e r
C O R : Code Reading
C O R B A : Common Object Request Broker Architecture
C o S : Class of Services
C O S : Connection Oriented Services
C O T : Customer Office Terminal
C O T S : Components Off The Shelf
C P : Connection Point
C P : Customer Premises
C P A F : Customer Premise Access Facility
C P A S : Cellular Priority Access Services
C P B : Central Processing Board
C P E : Customer Premises Equipment
C P I : Calling Person Identification
C P M : Critical Path Method
C P N : Customer Premises Network
C P R A : Common PRocessor, model A
C P S : Communications Processor Unit
C P S S : Control Packet Switching System
C P T : Carriage Paid To
C P U : Central Processing Unit
C R : Channel Reliability/Circuit Reliability
C R : Change Request
C R : Connection Request
C R A : Call Routing Apparatus
C R A B S : Cellular Radio Access for Broadband Services
C R A G : Cellular Radio Advisory Group
C R C : Corporate Research Center
C R C : Cyclic Redundancy Check
C R C G : Common Routing Connection Group
C R E : Call RE-establishment procedure
C R I T I C O M : Critical Intelligence Communications
C R M : Cellular Radio Modem
C R M : Customer Relation Management
C R M - L S / H S : Cellular Radio Modem-Low Speed/High Speed
C R O M : Control Read-Only Memory
C R S : Cell Relay Service
C - R S U : Consolidated Remote Subscriber Unit
C R T : Cathode Ray Tube
C R U : Control Unit
C S : Capability Set (IN)
C S : Control Station (ATM)
C S 1 : Capability Set number 1
C S A : Carrier Service Area
C S - A C E L P : Conjugate-Structured Algebraic CELP
C S C : Circuit Switching Centre
C S C : Common Signalling Channel
C S C : Contactless Smart Card
C S C W : Computer Supported Collaborative Work
C S D : Canonic Signed Digit
C S E : Electronic Subscriber Access Unit (Center Satellite Electronique)
C S F : Cell Site Function
C S G : Call Signalling Gateway
C S I : Carrier Scale Internetworking
C S I : Customer Satisfaction Index
C S L N : Client-Server Layer Network
C S M : Central Strength Member
C S M : Communication Session Manager
C S M : Connection Session Management
C S M : Customer Service Management
C S M A : Carrier Sense Multiple Access
C S M A - C A : Carrier Sense Multiple Access/Collision Avoidance
C S M A - C D : Carrier Sense Multiple Access/Collision Detection
C S N : Digital Subscriber Access Unit (Center Satellite Numérique)
C S O : Composite Second Order
C S P : Chip Scale Package
C S P D N : Circuit Switched Public Data Network
C S S : Customer Support System
C S T : Central Signalling Terminal
C S T A : Computer Supported Telecommunication Application
C S T A : Computer Supported Telephony Application
C S U : Channel Service Unit
C S U : Circuit Switching Unit
C S U : Customer Service Unit
C S V : Circuit Switched Voice
C S W : Core Switch
C T : Call Transfer
C T : Channel Tester/Type
C T : Computer Tomography
C T : Cordless Telecommunications/Telephone
C T : Craft Terminal
C T - 2 : second generation Cordless Telephone
C T C : Common Trunk Circuit
C T D : Cell Transfer Delay
C T E : Channel Translation Equipment
C T I : Computer Telephony Integration
C T M : Clock & Tone Module
C T M : Cordless Terminal Mobility
C T N : Cordless/Corporate Telecommunication Network
C T P : Connection Termination Point
C T R : Common Technical Regulations
C T S : Conformance Testing Service
C T S : Cordless Telecom System
C T T : Central Traffic Terminal
C T X : Clear To Transmit
C U : Carrier/Channel Unit
C U : Control Unit
C U G : Closed User Group
C U S E : Configurable Unified Search Engine
C V D : Chemical Vapor Deposition
C W : Call Waiting
C W : Carrier/Composite Wave
C W : Continuous Wave
C W I S : Community Wide Information Service/System
C X : Cross Connect
C X M : Cross Modulation |