Configuring Connection Admission Control - Cisco Voice Interworking Services (VISM) Installation And Configuration Manual

Configuring VISM Features
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You have completed allocating resources to your VISM card. Proceed to the
Admission Control" section on page

Configuring Connection Admission Control

Complete the following steps, which allow you to:
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Type the cnfcac command, a cac-enable argument value, and press Enter to enable or disable CAC on
Step 1
your VISM card. Specify the argument with one of the following values:
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Note
Step 2 Type the cnfcacparams command, vad-duty-cycle and vad-tol argument values, and press Enter to
configure card level CAC parameter values for VAD tolerance and duty cycle, which are used in CAC
algorithms. Specify the arguments with the following values:
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Step 3 Type the cnfconcacparams command, lcn, vad-tol, and vad-duty-cycle argument values, and press
Enter to configure values for VAD tolerance and duty cycle, which are used in the CAC algorithms, for
a specified logical connection number (PVC). Specify the arguments with the following values:
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Cisco VISM Installation and Configuration Guide
4-10
3 = G.711u, G.711a, G.726-16k, G.726-24k, G.726-32k, G.726-40k, G.729a, and G.729ab codecs
and clear channel
Codec template number 3 = template number 1 with T.38 support added. Maximum
Note
channels = 120.
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
Template 4 supports a maximum of 64 channels for VISM, and a maximum of 144
Note
channels for VISM-PR. The G.723.1 codecs are not supported for the VISM card.
Enable or disable CAC.
Define CAC parameters.
Configure voiceband data policies for fax/modem carrier loss and fax/modem CAC failure events.
1 = On
2 = Off
If your application does not require CAC, specify the cac-enable argument as value 2 in
1 and proceed to the "Placing the VISM Card In Service" section on page
vad-duty-cycle: In the range from 1 to 99 (default = 61)
vad-tol: In the range from 0 to 10000 (default = 100)
lcn: In the range from 131 to 510
vad-tol: In the range from 1 to 10000 (default = 100)
vad-duty-cycle: In the range from 1 to 99 (default = 61)
4-10.
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
Chapter 4 Configuring VISM Features
"Configuring Connection
Step
4-11.