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Cisco VISM Installation and Configuration Guide
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
Chapter5 CLI Commands
cnferl
cnferl
To configure a digital signal processor (DSP) r eturn echo loss value, u se the cnferl command in the VoIP
switching/trunking, switched AAL2 PVC, and AAL2 trunking operating modes.
cnferl echo-ret-loss
Syntax Description
Command Modes VoIP switching/trunking, switched AAL2 PVC, and AAL2 trunking
Usage Guidelines Follow standard CLI procedures when using this command .
Examples The following example shows that a 6-dB echo return loss value is configured for the current VISM
card’s echo cancellation DSP:
cnferl 3
Related Commands There are no related commands.
echo-ret-loss Echo return loss to be applied by echo cancellation DSPs. It can be one of th e
following values:
•1 = 0 dB
•2 = –3 dB
•3 = –6 dB
•4 = –10 dB