GLOSSARY GLOSSARY
Ed. 042/8 Réf. 3EH 21000 BSAA
rate of 144 kbps, structured as 2 B-channels at 64 kbps for voice and data transmission, and 1 D-
channel at 16 kbps for signaling.
C
CCP
"Compression Control Protocol".
CHAP
"Challenge-Handshake Authentication Protocol". Security function supported on connections that
use PPP encapsulation: prevents unauthorized access.
CLIP
"Calling Line Identification Presentation". Complementary service for digital protocols that allows
the caller number to be presented to the called party.
CLIR/COLR
"Calling/COnnected Line Identification Restriction". Service that inhibits CLIP or COLP.
CNIP
"Calling Name Identification Presentation". Complementary service for private digital protocols
(ISVPN or ABC-F) that allows the caller's name to be presented to the called party.
COLP
"COnnected Line identification Presentation". Complementary service for digital protocols that al-
lows the number of the connected user (the one who answered the call) to be presented to the caller.
CONP
"COnnected Name identification Presentation". Complementary service for private digital protocols
(ISVPN or ABC-F) that allows the name of the connected user (the one who answered the call) to be
presented to the caller.
CPU
"Central Processing Unit". Term designating the processor or microprocessor. The central proces-
sing unit executes computer program instructions.
CSTA
"Computer Supported Telephony Application". ECMA standard that defines command exchanges
between a PABX and a server.
CTI
"Computer-Telephone Integration". Interaction mechanism between 2 sections, namely a data pro-
cessing section (computer) and a telecommunications section (PABX), independently of the physical
layout of the 2 sections.
D
DASS2
"Digital Access Signaling Specification number 2"
DDI
"Direct Dialing In". Direct external call number for the system terminals (depending on the configu-
ration with the public network operator).
DECT
"Digital Enhanced Cordless Telecommunication". European cordless telephony standard. DECT ter-
minal: cordless terminal that complies with this standard.
DHCP
"Dynamic Host Configuration Protocol". Protocol that manages IP address allocation dynamically
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