Operation Manual

Cisco SPA IP Phone Field Reference
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Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 261
A
Outbound Call Codec Selection Codes
These codes automatically appended to the dial plan. You do not need to include
them in the dial plan.
Parameter Description
Prefer G711u Code Makes this codec the preferred codec for the
associated call.
Defaults to *017110.
Force G711u Code Makes this codec the only codec that can be used for
the associated call.
Defaults to *027110.
Prefer G711a Code Makes this codec the preferred codec for the
associated call.
Defaults to *017111
Force G711a Code Makes this codec the only codec that can be used for
the associated call.
Defaults to *027111.
Prefer G722 Code Makes this codec the preferred codec for the
associated call.
Defaults to *01722.
Only one G.722 call at a time is allowed. If a conference
call is placed, a SIP re-invite message is sent to switch
the calls to narrowband audio.
NOTE Not supported on the Cisco WIP310.
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