Version 6.6 531 October 2014
Installation & Operation Manual 39. Configuring the Media Settings
Parameter Name Type Provisioning Type Description
Echo Canceller Type Enum
Line,Acoustic
Instant Defines the echo
canceller type.
Line echo canceller
= Echo canceller for
Tel side (default)
Acoustic echo
suppressor = Echo
canceller for IP side
Attenuation Intensity Integer
0-3
Instant Defines the acoustic
echo suppressor
signals identified as
echo attenuation
intensity.
Max ERL Threshold -
DB
Integer
0-60
Instant Defines the acoustic
echo suppressor
maximum ratio between
signal level and
returned echo from the
phone (in decibels).
Min Reference Delay
x10 msec
Integer
0-40
Instant Defines the acoustic
echo suppressor
minimum reference
delay (in 10-ms units).
Max Reference Delay
x10 msec
Integer
0-40
Instant Defines the acoustic
echo suppressor
maximum reference
delay (in 10-ms units).
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