4-27
Cisco VISM Installation and Configuration Guide
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
Chapter4 Configuring VISM Features
Configuring VISM Features
•|source| (CAS variant file location):
–
1 = Unspecified. If TFTP domain is configured, the location is the TFTP server. If not found in
the TFTP server, the file is treated as built-in.
–
2 = User configured (built-in) file location.
–
3 = External—resides on the TFTP server.
Step 12 Type the cnfcasvar command, var-name, country-code, partial-time, critical-time, and
interdigit-timeout argument values, and press Enter to configure a CAS variant and CAS timing
parameters for the variant added in Step 11. Specify the arguments with the following values:
•var-name: Type the value used in Step 11.
•country-code: The two-character country code of the variant.
•partial-time (partial dial time): In the range from 10 to 10000, in i ncr em en ts of 1 0 se c ond s.
•critical-time (critical timing): In the range from 0 to 10000, in increments of 10 seconds.
•interdigit-timeout (interdigit timeout for MF digits): In the range from 1 to 10 seconds.
Step 13 Type the cnfcasendpt command, endpt-num and var-name argument values, and press Enter to
associate an endpoint with a CAS variant. Specify the arguments with the following values:
•endpt-num: Type a value used in Step 9.
•var-name: Type the value used in Step 11.
You have completed adding and configuring CAS signaling. Proceed to the “Configuring Bearer
Processing” section on page 4-27.
Configuring Bearer Processing
Processing of the bearer payload takes place either upon receip t of the pa yloa d from a T1 or E 1 li ne or
prior to transmission over a T1 or E1 line. You must complete the following tasks to configure bearer
processing:
1. Configure codecs.
2. Configure ECAN.
3. Configure jitter.

Configuring Codecs

Complete the following steps to assign and configure a codec template:
Step 1 Type the cnfcodectmpl command, a template-num argument value, and press Enter to specify a codec
template. Specify the template-num argument value from the following:
•1 = G.711u, G.711a, G.726-16k, G.726-24k, G.726-32k, G.726-40k, G.729 a, an d G .729a b c odecs ,
and clear channel
Note Template 1 is not supported for the VoIP operating mode.