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130 A
: G
PPENDIX
LOSSARY
CD
CDR
CE
CEPT
CHS
CISPR
CLI
CMOS
CNG
CO
CommWorks IP
Telephony System
CPE
CPU
CRC
CSA
Collision Detection—A process where a simultaneous transmission has taken
place. Workstations can determine if this has happened if they do not receive an
acknowledgement from the receiving station within a certain amount of time.
When this occurs, the workstation will try again.
Call Detail Record—Information gather during the call used later for billing
purposes.
Connection Endpoint—A terminator at one end of a layer connection within SAP.
Conférence des administrations Européenes des Postes et Télécommunications
(European Conference of Postal and Telecommunications Administrations)—A
standards committee in Europe for the telecommunications industry.
Cylinder-head Sector—The method of identifying a given location on a hard drive.
International Special Committee on Radio Interference
Command Line Interface—A software interface allowing the user to interact
with the operating system by entering commands and optional arguments.
The UNIX operating system runs at the command line from a shell prompt or a
shell script.
Complementary Metal Oxide Semiconductor
Comfort Noise Generation—The process of adding white noise to the voice
channel so the people know the connection is still good when neither party is
talking.
Central Office—The telephone company facility where the request for service
comes through the switching equipment and the requests for service gets routed.
A total system of hardware and software components that route telephone calls
and data over an IP based network (VoIP).
Customer Presence Equipment—A piece of equipment that is attached to a
telephone network. This equipment would be the terminal equipment,
telephones, key systems, modems, video conferencing devices and so on.
Central Processing Unit—The part of the computer that executes the commands
and performs the logic.
Cyclic Redundancy Check—The process to determine if the data was received
properly.
1. Call Path Services Architecture—An architecture developed by IBM which
defines the protocols that allow communications between the telephones
switches and computers. 2. Carrier Serving Area—A method used to categorize
the local loops by length, gauge, and subscriber distribution for maximum service
and cost efficiency.
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