Cisco SPA942 - Cisco - IP Phone User Manual

Configuring Regional Parameters and Supplementary Services
Using a Dial Plan
Cisco SPA and Wireless IP Administration Phone Guide 161
8
Outbound Call Codec Selection Codes
Codec call selection codes affect voice quality. For more information about voice
codecs, see the “Supported Codecs” section on page 118.
Outbound Call Codec Selection Notes
• You can choose a preferred codec for a call or force a call to use a specific
codec.
•
Prefer G.711u (*017110) through G.729a (*01729) —Sets the preferred
codec for next outbound call. If the preferred codec is unavailable, the
second, then the third preferred codec is used, if specified (see the
“Configuring Voice Codecs” section on page 123).
• Force
G.711u (*027110) through G.729a (*02729) —Forces the specified
codec for next outbound call. If the specified codec is unavailable, the
preferred codecs are used in order, if specified (see the “Configuring
Voice Codecs” section on page 123).
Using a Dial Plan
Dial plans determine how the digits are interpreted and transmitted. They also
determine whether the dialed number is accepted or rejected. You can use a dial
plan to facilitate dialing or to block certain types of calls such as long distance or
international.

Cisco SPA942 - Cisco - IP Phone Specifications

General

Brand	Cisco
Model	SPA942 - Cisco - IP Phone
Category	IP Phone
Language	English