Cisco SPA1112 Provisioning Manual page 141

Voice Parameters
<Service_Annc_Extension_Codes>
<Prefer_G711u_Code>
<Force_G711u_Code>
<Prefer_G711a_Code>
<Force_G711a_Code>
<Prefer_G726r32_Code>
<Force_G726r32_Code>
<Prefer_G729a_Code>
<Force_G729a_Code>
<Prefer_G722_Code>
<Force_G722_Code>
Provisioning Guide for Cisco SPA100 and SPA200 Series Analog Telephone Adapters
Extension codes for service announcements.
Default setting: blank
Dial prefix to make G.711u the preferred codec for the call.
Default setting: *017110
Dial prefix to make G.711u the only codec that can be used for
the call.
Default setting: *027110
Dial prefix to make G.711a the preferred codec for the call.
Default setting: *017111
Dial prefix to make G.711a the only codec that can be used for
the call.
Default setting: *027111
Dial prefix to make G.726r32 the preferred codec for the call.
Default setting: *0172632
Dial prefix to make G.726r32 the only codec that can be used
for the call.
Default setting: *0272632
Dial prefix to make G.729a the preferred codec for the call.
Default setting: *01729
Dial prefix to make G.729a the only codec that can be used for
the call.
Default setting: *02729
Dial prefix to make G.722 the preferred codec for the call.
Default setting: *01722
Dial prefix to make G.722 the only codec that can be used for
the call.
Default setting: *02722
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