Cisco Systems SPA9000 manual Default Unspecified

SPA9000 Field Reference

Voice tab

B

Second Preferred Codec,	Other codecs to be preferred if the preferred codec is not
Third Preferred Codec	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

SPA9000 Voice System Administration Guide 248