C
CAC (Call Admission Control)
214 , 288
call continuity
318
call forwarding PBX feature
10–11
call manager, in SCCP
35 , 36t–37t
call park PBX feature
10–11
CALL PROCEEDING message
41
call quality
59 , 230
call setup
phases of in SIP
19–20 , 19f
signaling
214
in SIP
26 , 26f
call transferring PBX feature
10–11
called party, rejecting SIP calls
26
caller's head
243f
Call-ID, in SIP
17
capacity, for admission control
219–220
capacity limits, setting low
288
capacity management
228
capture effect
141
cardkey authentication
336–337
carrier
for 802.11b signals
149
disregarding
195
mathematical description of
193–194
carrier sense
in Ethernet
78–79
referring to clear channel assessment as
140
of transmitters
114
types ...

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