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SPA9000 Field Reference
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SPA9000 Voice System Administration Guide 248
B
Second Preferred Codec,
Third Preferred Codec
Other codecs to be preferred if the preferred codec is not
available due to the codec negotiation protocol.
Default: Unspecified
Use Pref Codec Only If set to yes, the call can be completed only with the
preferred codec.
Default: no
Silence Supp Enable To enable silence suppression so that silent audio frames are
not transmitted, select yes. Otherwise, select no.
Default: no
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.
Default: no
Silence Threshold Select the appropriate setting for the threshold: high,
medium, or low.
Default: medium
G729a Enable To enable the use of the G729a codec at 8 kbps, select yes.
Otherwise, select no.
Default: yes
Echo Canc Enable To enable the use of the echo canceller, select yes.
Otherwise, select no.
Default: yes
G723 Enable To enable the use of the G723a codec at 6.3 kbps, select yes.
Otherwise, select no.
Default: yes
Echo Canc Adapt Enable To enable the echo canceller to adapt, select yes. Otherwise,
select no.
Default: yes
G726-16 Enable To enable the use of the G726 codec at 16 kbps, select yes.
Otherwise, select no.
Default: yes
Echo Supp Enable To enable the use of the echo suppressor, select yes.
Otherwise, select no.
Default: yes
G726-24 Enable To enable the use of the G726 codec at 24 kbps, select yes.
Otherwise, select no.
Default: yes