Linksys SPA9000

Linksys Voice System Administration Guide 186
Voice tab
Voice tab > Regional page
Outbound Call Codec Selection Codes section
Note These codes automatically appended to the dial-plan. So no need to
include them in dial-plan (although no harm to do so either).
Prefer G711u Code Makes this codec the preferred codec for the associated call.
Default: *017110.
Force G711u Code Makes this codec the only codec that can be used for the associated call.
Default: *027110.
Prefer G711a Code Makes this codec the preferred codec for the associated call.
Default: *017111
Force G711a Code Makes this codec the only codec that can be used for the associated call.
Default: *027111.
Prefer G723 Code Makes this codec the preferred codec for the associated call.
Default: *01723.
Force G723 Code Makes this codec the only codec that can be used for the associated call.
Default: *02723.
Prefer G726r16 Code Makes this codec the preferred codec for the associated call.
Default: *0172616.
Force G726r16 Code Makes this codec the only codec that can be used for the associated call.
Default: *0272616.
Prefer G726r24 Code Makes this codec the preferred codec for the associated call.
Default: *0172624.
Force G726r24 Code Makes this codec the only codec that can be used for the associated call.
Default: *0272624.
Prefer G726r32 Code Makes this codec the preferred codec for the associated call.
Default: *0172632.
Force G726r32 Code Makes this codec the only codec that can be used for the associated call.
Default: *0272632.
Prefer G726r40 Code Makes this codec the preferred codec for the associated call.
Default: *0172640.
Force G726r40 Code Makes this codec the only codec that can be used for the associated call.
Default: *0272640.
Prefer G729a Code Makes this codec the preferred codec for the associated call.
Default: *01729.
Force G729a Code Makes this codec the only codec that can be used for the associated call.
Default: *02729.