ATIS Telecom Glossary
Thursday, April 19, 2018
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Glossary Home
Foreword
Introduction
Normative References
Using the ATIS Telecom Glossary
Annex A: Informative References
Search Keyword: C
C-band
command, control and communications (C
3
)
C-E
command, control, communications, and computer systems (C
4
S)
C-language
command, control, communications, computers, and intelligence (C
4
I)
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
/k
T
)
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 (
Z
o
)
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 (C
2
)
cyber security
command and control (C
2
) system
cybercommunity
command and control warfare (C
2
W)
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
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Document Center