Cisco Small Business Pro SPA9000 Administration Manual page 250

SPA9000 Field Reference
Voice tab
SPA9000 Voice System Administration Guide
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Second Preferred Codec,
Third Preferred Codec
Use Pref Codec Only
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
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Other codecs to be preferred if the preferred codec is not
available due to the codec negotiation protocol.
Default: Unspecified
If set to yes, the call can be completed only with the
preferred codec.
Default: no
To enable silence suppression so that silent audio frames are
not transmitted, select yes. Otherwise, select no.
Default: 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.
Default: no
Select the appropriate setting for the threshold: high,
medium, or low.
Default: medium
To enable the use of the G729a codec at 8 kbps, select yes.
Otherwise, select no.
Default: yes
To enable the use of the echo canceller, select yes.
Otherwise, select no.
Default: yes
To enable the use of the G723a codec at 6.3 kbps, select yes.
Otherwise, select no.
Default: yes
To enable the echo canceller to adapt, select yes. Otherwise,
select no.
Default: yes
To enable the use of the G726 codec at 16 kbps, select yes.
Otherwise, select no.
Default: yes
To enable the use of the echo suppressor, select yes.
Otherwise, select no.
Default: yes
To enable the use of the G726 codec at 24 kbps, select yes.
Otherwise, select no.
Default: yes
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