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Chapter 5
CLI Commands
cnfcodecparams
To configure codec parameters—codec packetization period, preference, Internet Assigned Numbers
Authority (IANA) registered codec type and xGCP codec string—for AAL1 and IP calls, use the
cnfcodecparams command in the VoIP switching operating mode.
Syntax Description
codec-type
codec-pkt-period
preference
codec-string
iana-type
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
cnfcodecparams codec-type codec-pkt-period |preference codec-string iana-type|
The type of coding/decoding to be performed on the data stream. It can be one
of the following values:
•
1 = G.711u
2 = G.711a
•
3 = G.726-32k
•
4 = G.729a
•
5 = G.729ab
•
•
6 = Clear channel (VAD must be off)
•
7 = G.726-16k
•
8 = G.726-24k
•
9 = G.726-40k
•
11 = G.723.1-H
12 = G.723.1a-H
•
13 = G.723.1-L
•
14 = G.723.1a-L
•
Packetization period (defined in milliseconds). It can be one of the following
values:
10 (Default)
•
•
20
•
30
•
40
60
•
(Optional) Preference level of the codec you identified with the codec-num
argument value. It can be a value from the following list:
0 = Ignore preference
•
Note
•
In the range from 1 (highest) to 13 (lowest)
(Optional) The xGCP codec string. It can be from 1 to 20 ASCII characters.
(Optional) IANA registered codec type. It can be in the range from 0 to 96.
A preference value of 0 results in the codec being excluded from the
list of supported codecs during codec negotiation via xGCP.
Cisco VISM Installation and Configuration Guide
cnfcodecparams
5-121
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