Linksys SPA9000 Administrator's Manual page 192

FXS 1/2 Tab
Field
Preferred Codec
Silence Supp Enable
Use Pref Codec Only
Silence Threshold
G729a Enable
Echo Canc Enable
G723 Enable
Echo Canc Adapt Enable
G726-16 Enable
Echo Supp Enable
G726-24 Enable
FAX CED Detect Enable
G726-32 Enable
FAX CNG Detect Enable
G726-40 Enable
Linksys SPA9000 Administrator Guide
6-44
Description
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: G711u, G711a, G726-16,
G726-24, G726-32, G726-40, G729a, or G723.
The default is G711u.
To enable silence suppression so that silent audio frames are not transmitted, select yes.
Otherwise, select no.
The default is no.
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.
Select the appropriate setting for the threshold: high, medium, or low.
The default is medium.
To enable the use of the G729a codec at 8 kbps, select yes. Otherwise, select no.
The default is yes.
To enable the use of the echo canceller, select yes. Otherwise, select no.
The default is yes.
To enable the use of the G723a codec at 6.3 kbps, select yes. Otherwise, select no.
The default is yes.
To enable the echo canceller to adapt, select yes. Otherwise, select no.
The default is yes.
To enable the use of the G726 codec at 16 kbps, select yes. Otherwise, select no.
The default is yes.
To enable the use of the echo suppressor, select yes. Otherwise, select no.
The default is yes.
To enable the use of the G726 codec at 24 kbps, select yes. Otherwise, select no.
The default is yes.
To enable detection of the fax Caller-Entered Digits (CED) tone, select yes. Otherwise,
select no.
The default is yes.
To enable the use of the G726 codec at 32 kbps, select yes. Otherwise, select no.
The default is yes.
To enable detection of the fax Calling Tone (CNG), select yes. Otherwise, select no.
The default is yes.
To enable the use of the G726 codec at 40 kbps, select yes. Otherwise, select no.
The default is yes.
Chapter 6 SPA9000 Field Reference
Document Version 3.01