Cisco SPA301 Administration Manual page 152

Configuring Security, Quality, and Network Features
Configuring Voice Codecs
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
Parameter
Second Preferred
Codec
Third Preferred
Codec
G729a Enable
G722 Enable
G723 Enable
G726-16 Enable
G726-24 Enable
G726-32 Enable
G726-40 Enable
Description
If the first codec fails, this codec is tried. Defaults to
unspecified.
Not applicable to the Cisco WIP310.
If the second codec fails, this codec is tried. Defaults to
unspecified.
Not applicable to the Cisco WIP310.
To enable the use of the G.729a codec at 8 kbps, select
yes. Otherwise, select no. Defaults to yes.
Enables use of the G.722 codec. Defaults to yes.
Not applicable to the Cisco WIP310.
To enable the use of the G.723a codec at 6.3 kbps, select
yes. Otherwise, select no. Defaults to yes.
Not applicable to the Cisco WIP310, Cisco SPA300
Series, Cisco SPA525G or Cisco SPA525G2.
To enable the use of the G.726 codec at 16 kbps, select
yes. Otherwise, select no. Defaults to yes.
Not applicable to the Cisco WIP310, Cisco SPA525G or
Cisco SPA525G2.
To enable the use of the G.726 codec at 24 kbps, select
yes. Otherwise, select no. Defaults to yes.
Not applicable to the Cisco WIP310, Cisco SPA525G or
Cisco SPA525G2.
To enable the use of the G.726 codec at 32 kbps, select
yes. Otherwise, select no. Defaults to yes.
To enable the use of the G.726 codec at 40 kbps, select
yes. Otherwise, select no. Defaults to yes.
Not applicable to the Cisco WIP310, Cisco SPA525G or
Cisco SPA525G2.
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