Echo Cancellation - Avaya G430 Manual

Monitoring applications
For more information about these commands, see the Avaya Branch Gateway G430 CLI
Reference.
Root level command
cna testplug
cna-testplug-
service
show cna
testplug

Echo cancellation

Echo canceller control is intended to improve voice quality on a call by call basis.
The Branch Gateway has multiple echo cancellers of various capabilities. For best echo
cancellation performance, the general rule is to enable only one echo canceller in any direction
-- the one with the greater capacity in terms of echo tail control in the steady state. Tandeming
echo cancellers in the same direction in a media path results in poorer performance in terms
of echo control, double-talk performance, noise, etc. In addition, if a smaller tail echo canceller
410 Administering Avaya G430 Branch Gateway
Command
Enter the
context
clear Clear the CNA test plug counters
counters
control-port
Set or reset the UDP port on which the CNA
test plug listens for test requests from
schedulers
fingerprint Configure the certificate fingerprint used by
the CNA test plug to authenticate the
scheduler
rtp-echo- Set or reset the UDP port used by the CNA
test plug to listen for RTP streams sent by
port
other test plugs running RTP tests
rtp-test- Set or reset the UDP port used by the CNA
test plug to send an RTP stream to another
port
test plug in an RTP test
scheduler Add a scheduler's IP address to the list of
schedulers with which the test plug can
attempt to register
shutdown Disable the CNA test plug
test-rate- Configure the CNA test rate limiter
limit
Enable or disable the CNA test plug service
on the Branch Gateway
Display CNA test plug configuration and
statistics
Comments? infodev@avaya.com
Description
CNA testplug configuration
October 2013