ATIS Telecom Glossary Thursday, April 19, 2018

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z   Go   Glossary Home Foreword Introduction Normative References Using the ATIS Telecom Glossary Annex A: Informative References

Search Keyword: C C-band command, control and communications (C3) C-E command, control, communications, and computer systems (C4S) C-language command, control, communications, computers, and intelligence (C4I) C-Message Noise commercial carrier C-message weighting commercial licensed evaluation facility C-Notched Noise commercial refile C.O. commit transaction C2W common battery CA common bonding network (CBN) cable common carrier cable assembly common channel network signaling cable cutoff wavelength (cc) common channel signaling network cable fill factor common control cable headend common control switching arrangement (CCSA) cable jacket common control system cable modem common equipment cable television relay service (CARS) station common fill device cable TV (CATV) common gateway interface CAC common management information protocol (CMIP) cache memory common management information service (CMIS) CAD common return CALEA common return offset call common transport trunk group call abandoned common user call acceptance common user circuit call accepted signal common user network Call Agent common-battery signaling call associated signaling (CAS) common-channel interoffice signaling (CCIS) call attempt common-channel signaling call back common-mode interference call collision common-mode rejection ratio (CMRR) call completion rate common-mode voltage call control character commonality call control function (CCF) communication configuration call control signal communication function call data channel (CDC) communication interface call delay communications call detail recording (CDR) communications base station call duration communications blackout call forwarding communications center Call Gap communications channel call hold communications common carrier call identifier communications cover call intensity communications deception call management communications intelligence (COMINT) call originator communications jamming (COMJAM) call pickup communications net call processing communications net operation call progress signal communications network call progress tone communications processor unit (CPU) call receiver communications profile call record communications protection call release time communications protocol call restriction communications reliability call segment communications satellite call set-up error probability communications saturation call set-up failure probability communications security (COMSEC) call set-up time communications security equipment call sign communications security material call spill-over communications silence call splitting communications sink Call Through Test communications source call tracing communications subsystem call transfer communications survivability call waiting communications system call-failure signal communications system engineering call-not-accepted signal communications system survivability call-processing state communications theory call-request time communications watch call-second communications zone call-selection time communications-electronics (C-E) call-sign allocation plan community antenna television (CATV) called party community of interest called-line identification facility community reception (in the broadcasting-satellite service) called-line identification signal community security policy called-party camp-on compact caller ID compact disk read-only memory caller identification compaction caller's emergency service identification (CESID) companding calling frequency compandor calling line identification (CLI) comparably efficient interconnection (CEI) calling party comparator calling party number (CPN) compartmentalization calling rate compartmentation calling sequence compartmented mode calling signal compatibility calling-line identification facility compatibility testing calling-line identification signal compatible sideband transmission calling-party camp-on compelled signaling calls-barred facility competitive access provider (CAP) CAMA competitive clip camcorder compile camp-on compiler camp-on busy signal compiling program camp-on-with-recall complement (of cable) CAN complementary colors Canadian Standards Association (CSA) complementary network service (CNS) cancel character (CAN) complex Cancel To compliance testing candela component canonical name component analog video CAP component color Capability component profile Capability composite cable capability code composite color capacitive coupling composite signaling (CX) capacity composite synchronization CAPEX composite test signal capture effect composite two-tone test signal card session composite video card validation composite video signal cardinal radial composited circuit carrier compound document carrier (cxr) compound signal carrier access code (CAC) compress carrier dropout compressed video carrier facility system compression carrier frequency compression ratio carrier identification code (CIC) compressor carrier leak compromise carrier level compromised obsolete carrier multiplex compromising emanations carrier noise level computer carrier power (of a radio transmitter) computer abuse carrier selection computer architecture carrier sense computer conference carrier sense multiple access (CSMA) computer conferencing carrier sense multiple access with collision avoidance (CSMA/CA) computer crime carrier sense multiple access with collision detection (CSMA/CD) computer cryptography carrier shift computer fraud carrier suppression computer graphics carrier synchronization computer graphics metafile carrier system computer language carrier wave computer network carrier-to-noise ratio (CNR) computer network engineering carrier-to-receiver noise density (C/kT) computer network operating system (NOS) CARS computer peripheral Carson bandwidth rule computer program CAS computer program origin cascade computer routine CASE computer science case shift computer security (COMPUSEC) CASE technology computer security subsystem Cassegrain antenna computer system CAT computer system fault tolerance CAT5 computer system resilience catastrophic degradation computer systems engineering Category computer word Category 3 computer-aided software engineering Category 4 computer-aided systems engineering Category 5 computer-dependent language CATV computer-oriented language CAV computer-system audit Caveat computing system cavity COMSEC CBC COMSEC boundary CBCS COMSEC chip set CBR COMSEC control program CC COMSEC end-item CC/PP COMSEC equipment CCD COMSEC insecurity CCF COMSEC material CCF COMSEC module CCH COMSEC monitoring CCI COMSEC profile CCIP COMSEC survey CCIR COMSEC system data CCIS concentration equipment CCITT concentrator CCS concentricity error CCSA concrete signal CCTV concrete syntax CCXML concurrent operation CD conditional access CD ROM conditioned baseband representation CD ROM XA conditioned circuit CD-i conditioned diphase modulation CDDC conditioned loop CDF conditioning equipment CDMA conducted interference CDP conduction band CDPSK conductive coupling CDR cone of silence CDS CONEX CE conference active CE Bus conference call CEI conference controller cell conference floating cell delay variation conference ID cell delineation conference idle cell header conference operation cell loss ratio Confidence cell relay confidence level cellular mobile confidentiality cellular phone configuration cellular radio configuration baseline cellular technology configuration baseline cellular telephone configuration control CELP configuration item center frequency configuration management central office (C.O.) configuration management board Central Office (CO) Code Confinement Central Office (CO) Code confirmation signaling central office connecting facility confirmation to receive central office prefix conformance test central office trunk congestion central processing unit congestion level indicator (CLI) central processor connect signal centralized attendant services (CAS) connect time centralized automatic message accounting (CAMA) connecting arrangement centralized operation connection centralized ordering group (COG) connection control Centrex® (CTX) service connection endpoint (CE) certificate connection establishment certificate hold connection identification certificate information connection mode certificate management connection-in-progress signal certificate revocation list connection-minute certificate serial number connection-mode transmission certificate user connection-oriented data transfer protocol certification connection-oriented mode transmission certification agent connection-oriented network service certification authority (CA) connectionless data transfer certification body (CB) connectionless mode transmission certification path connectionless network service certified identity connectionless service certified identity connectionless transmission certified network engineer connections per circuit hour (CCH) Certifier connectivity cesium clock connectivity exchange (CONEX) cesium standard connector CESoETH conservation of radiance CESoPNS consolidated carrier CESoPSN consolidated local telecommunications service CGA constant luminance CGI Construction cgm consultation hold CGMS-A consumer chain letter Consumer Domain challenge and reply authentication Consumer Domain Device change back contamination changeover content channel content hierarchy levels channel bank content hosting (hosting) channel bits content label channel capacity content on demand channel gate content protection channel noise level content provider channel offset content-addressable storage channel packing contention channel reliability (ChR) Context/Association Concurrence channel service unit (CSU) contextual information channel supergroup contingency key channel time slot contingency plan channel-associated signaling contingency procedure channeling continuity check channelization continuity check transponder character continuous operation character check continuous presence character filter continuous tone character generator continuous tone copy character integrity continuous wave (cw) character interval continuously variable slope delta (CVSD) modulation character recognition contouring character set contrast character-count integrity contribution character-stepped control attribute package characteristic distortion control attributes characteristic frequency control ball characteristic impedance (Zo) control character characters per inch (cpi) control communications characters per second (cps) control field charge coupled device (CCD) control function charging reference location control monitor chat control of electromagnetic radiation chat group control operation chat room control station chat script control track check controlled access check bit controlled area check character controlled cryptographic item (CCI) check digit controlled not-ready signal check loop controlled rerouting check sequence (CS) controlled security mode check word controlled security operation checkbox controlled sharing checking code controlled space checksum controller checkvalue controlling authority chip convergence chip rate convergence point chip time conversation-minute chirping conversation-minute-kilometers chosen-plaintext attack conversational hypertext access technology (chat) chroma keying conversational mode chroma noise conversational service chromatic dispersion Conversion Timing chromaticity chart convolutional code chromaticity diagram convoy internal communications chrominance cookie chrominance signal cooperation factor Chronic Trunk cooperative key generation CIC cooperative remote rekeying CIC coordinated clock CIDR Coordinated Conversion CIE coordinated time scale CIM Coordinated Universal Time (UTC) cinepak coordination area cipher coordination contour cipher system coordination distance cipher text copy cipher text auto-key Copy Control ciphertext string Copy Protection ciphertext substring copy watch ciphony copy-protected CIPID CORBA CIR cord circuit circuit cord lamp circuit identification code cordless switchboard circuit kilometers core circuit noise level core area circuit reliability (CiR) core diameter circuit restoration core dump circuit routing core eccentricity circuit switching core gateway circuit switching center core noncircularity circuit switching unit (CSU) core storage circuit transfer mode core-cladding offset circuit-switched data transmission service core-to-cladding concentricity circular polarization core-to-cladding eccentricity circulator core-to-cladding offset civision corner reflector cladding corner reflector antenna cladding diameter corporate security policy cladding eccentricity Corporation for Research and Educational Networking cladding mode corrective maintenance cladding mode stripper Correctness cladding noncircularity correctness proof cladding ovality corresponding entities cladding ray CoS claim authentication information (claim AI) COSINE Claimant cosine emission law CLASS cosite class d address cosmic noise class of emission Costas loop class of office COT class of service COTS class-of-service mark Coulomb's law Classification countermeasure classmark counterpoise clear country code clear channel coupled bonding conductor clear channel capability (CCC) coupled modes clear collision coupler clear confirmation signal coupling clear message coupling coefficient clear text coupling efficiency Clearance coupling loss clearing cover cleave coverage CLEC covert channel click data covert storage channel click rate covert timing channel click-through CP clicks CPCM client CPD client ID CPE client-server CPE line (customer premises equipment line) client-server architecture CPE trunk (customer premises equipment trunk) cliff effect cpi clip CPIM clipper cps clipping CPU CLLI™ CR CLLI™ cracker clock crawler clock accuracy CRC clock error credential clock fast mode CREN clock free-run mode crest factor clock holdover mode critical angle clock normal mode critical area clock phase slew critical frequency clock rate critical infrastructure clock tolerance critical mechanism clock track critical service clockwise polarized wave critical technical load closed captioning critical wavelength closed circuit CRL closed user group CRM closed user group with outgoing access cross assembler closed waveguide cross certification closed-loop noise bandwidth cross coupling closed-loop response integrity cross modulation closed-loop transfer function cross office check closed-security environment cross-band radiotelegraph procedure closure cross-connect cloud attenuation cross-connection CM cross-office trunk CMIP cross-platform CMP cross-polarized operation CMRR cross-site link CMRS crossbar switch CN crossfade CNR crosslink CNS crosspoint CO crosspost CO Code (NXX) Exhaust crosstalk (XT) CO Code Administrator crosstalk coupling co-channel interference crosstalk coupling loss COAM CROWN coast Earth station CRT coast station cryptanalysis coasting mode cryptanalytical attack coating CRYPTO coax crypto key coaxial cable (coax) crypto-alarm coaxial patch bay crypto-algorithm COBOL crypto-ancillary equipment CoD crypto-equipment code crypto-ignition key (CIK) code book cryptochannel code character cryptographic code conversion cryptographic check value code element cryptographic component code group cryptographic equipment (crypto-equipment) Code Holder cryptographic hash code restriction cryptographic hash function code set cryptographic information code structure cryptographic initialization code vocabulary cryptographic key code word cryptographic key synchronization code-division multiple access (CDMA) cryptographic logic code-excited linear prediction (CELP) cryptographic randomization code-independent data communication cryptographic synchronization code-transparent data communication cryptography codec cryptologic coded character set cryptology coded image cryptomaterial coded set cryptonet coding cryptoperiod coding scheme cryptosecurity codress message cryptosynchronization COG cryptosystem coherence area crystal oscillator (XO) coherence degree CS coherence length CSCF coherence time CSMA coherent CSMA/CA coherent bundle CSMA/CD coherent differential phase-shift keying (CDPSK) CSP coherent pulse operation CSPR coherent radiation CSU cold standby CTS cold start CTX collective address cumulative transit delay collective routing CUPS collimation current billing collimator cursor collinear antenna array curvature loss collision curve-fitting compaction color balancing custom local area signaling service (CLASS) color bar test signal Customer color bars customer access color burst customer dialed charge traffic color coordinate transformation customer installation (CI) color correction customer management complex color decoder customer office terminal color errors customer owned and maintained equipment (COAM) color keying customer premises equipment (CPE) color phase customer premises wire color processing customer service unit (CSU) color subcarrier customer-provided equipment color temperature cut color-difference signal cutback technique color-matching functions cutoff attenuator colorimetry cutoff frequency combat-net radio (CNR) cutoff mode combinational logic element cutoff wavelength combined communications cutover combined distribution frame (CDF) CVSD combined link set CW combined station CWM combiner CWMP COMINT CX comm center CX signaling comma-free code cxr command cyber command and control (C2) cyber security command and control (C2) system cybercommunity command and control warfare (C2W) cybermall command frame cybernaut command line cyberspace command menu cybersquatting command net cyclic distortion command protocol data unit cyclic redundancy check (CRC)

These definitions were prepared by ATIS Committee PRQC   For more information on the work related to these definitions, please visit the ATIS website and the ATIS Document Center