Linksys SPA9000 Administration Manual page 188

Voice tab > Regional page
Outbound Call Codec Selection Codes section
These codes automatically appended to the dial-plan. So no need to
Note
include them in dial-plan (although no harm to do so either).
Prefer G711u Code
Force G711u Code
Prefer G711a Code
Force G711a Code
Prefer G723 Code
Force G723 Code
Prefer G726r16 Code
Force G726r16 Code
Prefer G726r24 Code
Force G726r24 Code
Prefer G726r32 Code
Force G726r32 Code
Prefer G726r40 Code
Force G726r40 Code
Prefer G729a Code
Force G729a Code
Linksys Voice System Administration Guide
Makes this codec the preferred codec for the associated call.
Default: *017110.
Makes this codec the only codec that can be used for the associated call.
Default: *027110.
Makes this codec the preferred codec for the associated call.
Default: *017111
Makes this codec the only codec that can be used for the associated call.
Default: *027111.
Makes this codec the preferred codec for the associated call.
Default: *01723.
Makes this codec the only codec that can be used for the associated call.
Default: *02723.
Makes this codec the preferred codec for the associated call.
Default: *0172616.
Makes this codec the only codec that can be used for the associated call.
Default: *0272616.
Makes this codec the preferred codec for the associated call.
Default: *0172624.
Makes this codec the only codec that can be used for the associated call.
Default: *0272624.
Makes this codec the preferred codec for the associated call.
Default: *0172632.
Makes this codec the only codec that can be used for the associated call.
Default: *0272632.
Makes this codec the preferred codec for the associated call.
Default: *0172640.
Makes this codec the only codec that can be used for the associated call.
Default: *0272640.
Makes this codec the preferred codec for the associated call.
Default: *01729.
Makes this codec the only codec that can be used for the associated call.
Default: *02729.
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