Cisco Voice Interworking Services (VISM) Installation And Configuration Manual page 290

cnfecanrec
cnfecanrec
To configure residual echo control for digital signal processors (DSPs) on a VISM card line that is used
for echo cancellation, use the cnfecanrec command in the VoIP switching/trunking, switched AAL2
PVC, and AAL2 trunking operating modes.
Syntax Description
line-num
res-echo-control
Command Modes
VoIP switching/trunking, switched AAL2 PVC, and AAL2 trunking
Usage Guidelines This command applies to DSPs processing data on a specified line.
Examples
The following example shows that line 1 of the current VISM card is configured with comfort noise
residual echo control:
cnfecanrec 1 4
Related Commands Command
cnfecanenable
cnfecantail
dsplndsp
Cisco VISM Installation and Configuration Guide
5-146
cnfecanrec line-num res-echo-control
Line number to configure with residual echo control; in the range from 1 to 8.
Residual echo control for a VISM card line. It can be one of the following values:
1 = Cancel only
•
2 = Suppress residual
•
• 4 = Comfort noise
Description
Enables or disables ECAN on a specified VISM card line.
Configures the maximum tail length for DSPs on a VISM card that is used for
echo cancellation.
Displays the DSP information for a specified VISM card line.
Chapter 5
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
CLI Commands