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Configuring VISM Features
2 = G.711u and G.711a codecs, and clear channel
•
Note
3 = G.711u, G.711a, G.726-16k, G.726-24k, G.726-32k, G.726-40k, G.729a, and G.729ab codecs,
•
clear channel, and T.38 fax transfer
4 = G.711u, G.711a, G. 726-16k, G.726-24k, G.726-32k, G.726-40k, G.729a, G.729ab, G.723.1-H,
•
G.723.1a-H, G.723.1-L, G.723.1a-L codecs and clear channel
Type the cnfcodecparams command, codec-type, codec-pkt-period, |preference, codec-string, and
Step 2
iana-type| argument values, and press Enter to specify various codec parameters for use in the VoIP
operating mode.
The packetization period is defined in three separate commands depending upon the ATM method used:
Use the cnfcodecparams command for VoIP switching applications. Complete this step.
•
Use the addcid command for AAL2 trunking applications. See the
•
Operating Mode Parameters" section on page
Use the addrtpcon command for AAL2 trunking applications.
•
•
Use the cnfprofelemvoice command for switched AAL2 PVC applications. See the
Switched AAL2 PVC Operating Mode Parameters" section on page
Specify the arguments with the following values:
•
codec-type: In the range from 1 to 14.
•
codec-pkt-period:
–
–
–
–
–
preference:
•
–
–
•
codec-string: In the range from 1 to 20 ASCII characters.
•
iana-type (IANA registered codec type): In the range from 0 to 96.
Step 3
Type the cnfcodecneg command, the codec-priority argument value, and press Enter to specify a codec
preference order when there are several codec lists—from the call agent local connection option (LCO)
list, local MIB, or a list received from the remote gateway in the session description protocol (SDP) data.
Specify the codec-priority argument value with one of the following:
•
1 = LCO list, remote SDP data list, local MIB
•
2 = LCO list, local MIB, remote SDP data list
•
3 = Remote SDP data list, LCO list, local MIB
4 = Remote SDP data list, local MIB, LCO list
•
Cisco VISM Installation and Configuration Guide
4-28
The cnfcodectmpl command is included in the
but is included here for your convenience.
10
20
30
40
60
0 = Ignore preference
In the range from 1 (highest) to 13 (lowest).
Chapter 4
"Allocating Resources" section on page 4-9
"Configuring AAL2 Trunking
4-36.
4-38.
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
Configuring VISM Features
"Configuring
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