ATIS Telecom Glossary Sunday, July 22, 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, communications, and computer systems (C4S) C-E command, control, communications, computers, and intelligence (C4I) C-language commercial carrier C-Message Noise commercial licensed evaluation facility C-message weighting commercial refile C-Notched Noise commit transaction C.O. common battery C2W common bonding network (CBN) CA common carrier cable common channel network signaling cable assembly common channel signaling network cable cutoff wavelength (cc) common control cable fill factor common control switching arrangement (CCSA) cable headend common control system cable jacket common equipment cable modem common fill device cable television relay service (CARS) station common gateway interface cable TV (CATV) common management information protocol (CMIP) CAC common management information service (CMIS) cache memory common return CAD common return offset CALEA common transport trunk group call common user call abandoned common user circuit call acceptance common user network call accepted signal common-battery signaling Call Agent common-channel interoffice signaling (CCIS) call associated signaling (CAS) common-channel signaling call attempt common-mode interference call back common-mode rejection ratio (CMRR) call collision common-mode voltage call completion rate commonality call control character communication configuration call control function (CCF) communication function call control signal communication interface call data channel (CDC) communications call delay communications base station call detail recording (CDR) communications blackout call duration communications center call forwarding communications channel Call Gap communications common carrier call hold communications cover call identifier communications deception call intensity communications intelligence (COMINT) call management communications jamming (COMJAM) call originator communications net call pickup communications net operation call processing communications network call progress signal communications processor unit (CPU) call progress tone communications profile call receiver communications protection call record communications protocol call release time communications reliability call restriction communications satellite call segment communications saturation call set-up error probability communications security (COMSEC) call set-up failure probability communications security equipment call set-up time communications security material call sign communications silence call spill-over communications sink call splitting communications source Call Through Test communications subsystem call tracing communications survivability call transfer communications system call waiting communications system engineering call-failure signal communications system survivability call-not-accepted signal communications theory call-processing state communications watch call-request time communications zone call-second communications-electronics (C-E) call-selection time community antenna television (CATV) call-sign allocation plan community of interest called party community reception (in the broadcasting-satellite service) called-line identification facility community security policy called-line identification signal compact called-party camp-on compact disk read-only memory caller ID compaction caller identification companding caller's emergency service identification (CESID) compandor calling frequency comparably efficient interconnection (CEI) calling line identification (CLI) comparator calling party compartmentalization calling party number (CPN) compartmentation calling rate compartmented mode calling sequence compatibility calling signal compatibility testing calling-line identification facility compatible sideband transmission calling-line identification signal compelled signaling calling-party camp-on competitive access provider (CAP) calls-barred facility competitive clip CAMA compile camcorder compiler camp-on compiling program camp-on busy signal complement (of cable) camp-on-with-recall complementary colors CAN complementary network service (CNS) Canadian Standards Association (CSA) complex cancel character (CAN) compliance testing Cancel To component candela component analog video canonical name component color CAP 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 CCH COMSEC module CCI COMSEC monitoring CCIP COMSEC profile CCIR COMSEC survey CCIS COMSEC system data CCITT concentration equipment CCS concentrator CCSA concentricity error CCTV concrete signal CCXML concrete syntax CD concurrent operation CD ROM conditional access CD ROM XA conditioned baseband representation CD-i conditioned circuit CDDC conditioned diphase modulation CDF conditioned loop CDMA conditioning equipment CDP conducted interference CDPSK conduction band CDR conductive coupling CDS cone of silence CE CONEX CE Bus conference active CEI conference call cell conference controller cell delay variation conference floating cell delineation conference ID cell header conference idle cell loss ratio conference operation cell relay Confidence cellular mobile confidence level cellular phone confidentiality cellular radio configuration 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 network engineer connectionless transmission Certifier connections per circuit hour (CCH) cesium clock connectivity cesium standard connectivity exchange (CONEX) CESoETH connector CESoPNS conservation of radiance CESoPSN consolidated carrier CGA consolidated local telecommunications service CGI constant luminance cgm Construction CGMS-A consultation hold chain letter consumer challenge and reply authentication Consumer Domain change back Consumer Domain Device changeover contamination channel content channel bank content hierarchy levels channel bits content hosting (hosting) channel capacity content label channel gate content on demand channel noise level content protection channel offset content provider channel packing content-addressable storage channel reliability (ChR) contention channel service unit (CSU) Context/Association Concurrence channel supergroup contextual information channel time slot contingency key channel-associated signaling contingency plan channeling contingency procedure channelization continuity check character continuity check transponder character check continuous operation character filter continuous presence character generator continuous tone character integrity continuous tone copy character interval continuous wave (cw) character recognition continuously variable slope delta (CVSD) modulation character set contouring character-count integrity contrast character-stepped contribution characteristic distortion control attribute package characteristic frequency control attributes characteristic impedance (Zo) control ball characters per inch (cpi) control character characters per second (cps) control communications charge coupled device (CCD) control field charging reference location control function chat control monitor chat group control of electromagnetic radiation chat room control operation chat script control station check control track check bit controlled access check character controlled area check digit controlled cryptographic item (CCI) check loop controlled not-ready signal check sequence (CS) controlled rerouting check word controlled security mode checkbox controlled security operation checking code controlled sharing checksum controlled space checkvalue controller chip controlling authority chip rate convergence chip time convergence point chirping conversation-minute chosen-plaintext attack conversation-minute-kilometers chroma keying conversational hypertext access technology (chat) chroma noise conversational mode chromatic dispersion conversational service chromaticity chart Conversion Timing chromaticity diagram convolutional code chrominance convoy internal communications chrominance signal cookie Chronic Trunk cooperation factor CIC cooperative key generation CIC cooperative remote rekeying CIDR coordinated clock CIE Coordinated Conversion CIM coordinated time scale cinepak Coordinated Universal Time (UTC) cipher coordination area cipher system coordination contour cipher text coordination distance cipher text auto-key copy ciphertext string Copy Control ciphertext substring Copy Protection ciphony copy watch CIPID copy-protected CIR CORBA circuit cord circuit circuit identification code cord lamp circuit kilometers cordless switchboard circuit noise level core circuit reliability (CiR) core area circuit restoration core diameter circuit routing core dump circuit switching core eccentricity circuit switching center core gateway circuit switching unit (CSU) core noncircularity circuit transfer mode core storage circuit-switched data transmission service core-cladding offset circular polarization core-to-cladding concentricity circulator core-to-cladding eccentricity civision core-to-cladding offset cladding corner reflector cladding diameter corner reflector antenna cladding eccentricity corporate security policy cladding mode Corporation for Research and Educational Networking cladding mode stripper corrective maintenance cladding noncircularity Correctness cladding ovality correctness proof cladding ray corresponding entities claim authentication information (claim AI) CoS Claimant COSINE CLASS cosine emission law class d address cosite class of emission cosmic noise class of office Costas loop class of service COT class-of-service mark COTS Classification Coulomb's law classmark countermeasure clear counterpoise clear channel country code clear channel capability (CCC) coupled bonding conductor clear collision coupled modes clear confirmation signal coupler clear message coupling clear text coupling coefficient Clearance coupling efficiency clearing coupling loss cleave cover CLEC coverage click data covert channel click rate covert storage channel click-through covert timing channel clicks CP client CPCM client ID CPD client-server CPE client-server architecture CPE line (customer premises equipment line) cliff effect CPE trunk (customer premises equipment trunk) clip cpi clipper CPIM clipping cps CLLI™ CPU CLLI™ CR clock cracker clock accuracy crawler clock error CRC clock fast mode credential clock free-run mode CREN clock holdover mode crest factor clock normal mode critical angle clock phase slew critical area clock rate critical frequency clock tolerance critical infrastructure clock track critical mechanism clockwise polarized wave critical service closed captioning critical technical load closed circuit critical wavelength closed user group CRL closed user group with outgoing access CRM closed waveguide cross assembler closed-loop noise bandwidth cross certification closed-loop response integrity cross coupling closed-loop transfer function cross modulation closed-security environment cross office check closure cross-band radiotelegraph procedure cloud attenuation cross-connect CM cross-connection CMIP cross-office trunk CMP cross-platform CMRR cross-polarized operation CMRS cross-site link CN crossbar switch CNR crossfade CNS crosslink CO crosspoint CO Code (NXX) Exhaust crosspost CO Code Administrator crosstalk (XT) co-channel interference crosstalk coupling COAM crosstalk coupling loss coast Earth station CROWN coast station CRT coasting mode cryptanalysis coating cryptanalytical attack coax CRYPTO coaxial cable (coax) crypto key coaxial patch bay crypto-alarm COBOL crypto-algorithm CoD crypto-ancillary equipment code crypto-equipment code book crypto-ignition key (CIK) code character cryptochannel code conversion cryptographic code element cryptographic check value code group cryptographic component Code Holder cryptographic equipment (crypto-equipment) code restriction cryptographic hash code set cryptographic hash function code structure cryptographic information code vocabulary cryptographic initialization code word cryptographic key code-division multiple access (CDMA) cryptographic key synchronization code-excited linear prediction (CELP) cryptographic logic code-independent data communication cryptographic randomization code-transparent data communication cryptographic synchronization codec cryptography coded character set cryptologic coded image cryptology coded set cryptomaterial coding cryptonet coding scheme cryptoperiod codress message cryptosecurity COG cryptosynchronization coherence area cryptosystem coherence degree crystal oscillator (XO) coherence length CS coherence time CSCF coherent CSMA coherent bundle CSMA/CA coherent differential phase-shift keying (CDPSK) CSMA/CD coherent pulse operation CSP coherent radiation CSPR cold standby CSU cold start CTS collective address CTX collective routing cumulative transit delay collimation CUPS collimator current billing collinear antenna array cursor collision curvature loss color balancing curve-fitting compaction color bar test signal custom local area signaling service (CLASS) color bars Customer color burst customer access color coordinate transformation customer dialed charge traffic color correction customer installation (CI) color decoder customer management complex color errors customer office terminal color keying customer owned and maintained equipment (COAM) color phase customer premises equipment (CPE) color processing customer premises wire color subcarrier customer service unit (CSU) color temperature customer-provided equipment color-difference signal cut color-matching functions cutback technique colorimetry cutoff attenuator combat-net radio (CNR) cutoff frequency combinational logic element cutoff mode combined communications cutoff wavelength combined distribution frame (CDF) cutover combined link set CVSD combined station CW combiner CWM COMINT CWMP comm center CX comma-free code CX signaling command cxr command and control (C2) cyber command and control (C2) system cyber security command and control warfare (C2W) cybercommunity command frame cybermall command line cybernaut command menu cyberspace command net cybersquatting command protocol data unit cyclic distortion command, control and communications (C3) 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