com, 96
CON (confusion) message, 121
Conf (in media attribute line), 85
Conference bridges, 146
Conference sessions, 22
Conference type (in media
attribute line), 85
Conferencing, 16
Confidentiality, 145??“146
Confirm status (in media attribute
line), 85
Confusion (CON) message, 121
Congestion, 171
Connection address, 89
Connection indicators, 127
Connection information, 84, 85
CONTACT (SIP header), 66, 71,
111, 115
Content provider, 34
CONTENT-DISPOSITION (SIP
header), 71
Content-disposition AVP, 187, 191
CONTENT-LENGTH (SIP header),
59, 72
Content-length AVP, 187, 191
Content/services provided model, 161
CONTENT-TRANSFERENCODING
(SIP header), 72
CONTENT-TYPE (SIP header), 59,
62, 72
Content-type AVP, 187, 191
Control layer, 106
Converting addresses, 16
Country identifiers, 98
CPG (Call Progress) Message, 122
Creator identifier, 84
Credentials, 63, 70, 91, 143
Credit:
amount of, 181
authorization time limit for, 194
reauthorizing, 181
Credit-control-answer (CCA), 175,
181??“183, 198
Credit-control-request (CCR), 175
correlation of multiple, 200
message content of, 178??“181
triggers, 197??“199
CS domains (see Circuit-switched
domains)
CSCF (see Call session control
function)
CSeq (SIP header), 72, 136
CTF (see Charging trigger function)
Curr (in media attribute line), 85
Current status (in media attribute
line), 85
D
Data communication protocols, 29
Data integrity, 171
Data warehouses, 171
DATE (SIP header), 72
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