Datasheet
Configuring Voice
Configuring Voice Settings
172 Cisco SRP500 Series Services Ready Platforms Administration Guide (SRP520 Models)
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Third Preferred Codec Third preferred codec for all calls. (The actual codec
used in a call still depends on the outcome of the
codec negotiation protocol.) Select one of the
following:.Unspecified, G711u, G711a, G726-16,
G726-24, G726-32, G726-40, G729a, or G723.
The default is Unspecified.
Use Pref Codec Only To use only the preferred codec for all calls, select
yes. (The call fails if the far end does not support this
codec.) Otherwise, select no.
The default is no.
Silence Supp Enable To enable silence suppression so that silent audio
frames are not transmitted, select yes. Otherwise,
select no.
The default is no.
Silence Threshold Select the appropriate setting for the threshold: high,
medium, or low.
The default is medium.
G729a Enable To enable the use of the G.729a codec at 8 kbps,
select yes. Otherwise, select no.
The default is yes.
Echo Canc Enable To enable the use of the echo canceller, select yes.
Otherwise, select no.
The default is yes.
Echo Canc Adapt
Enable
To enable the echo canceller to adapt, select yes.
Otherwise, select no.
The default is yes.
Echo Supp Enable To enable the use of the echo suppressor, select yes.
Otherwise, select no.
The default is yes.
FAX V21 Detect Enable To enable detection of V21 fax tones, select yes.
Otherwise, select no.
The default is yes.










