Cisco SPA303 Administration Guide

Cisco SPA IP Phone Field Reference
Regional Tab
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 266
B
Force G722 Code Makes this codec the only codec that can be used for
the associated call.
Defaults to *02722.
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 WIP310.
Prefer L16 Code Makes this codec the only codec that can be used for
the associated call.
Defaults to *01016.
Force L16 Code Makes this codec the only codec that can be used for
the associated call.
Defaults to *02016.
Prefer G723 Code Makes this codec the preferred codec for the
associated call.
Defaults to *01723.
NOTE Not applicable to WIP310 or Cisco SPA525G.
Force G723 Code Makes this codec the only codec that can be used for
the associated call.
Defaults to *02723.
NOTE Not applicable to WIP310 or Cisco SPA525G/
525G2.
Prefer G726r16 Code Makes this codec the preferred codec for the
associated call.
Defaults to *0172616.
NOTE Not applicable to WIP310 or Cisco SPA525G/
525G2.
Force G726r16 Code Makes this codec the only codec that can be used for
the associated call.
Defaults to *0272616.
NOTE Not applicable to WIP310 or Cisco SPA525G/
525G2.
Parameter Description

Cisco SPA303 Specifications

General

Display	Monochrome LCD
Lines	3
Speakerphone	Yes
Headset Jack	Yes (2.5 mm)
Handset	Yes
Ethernet Ports	2 x 10/100 Mbps
Protocol	SIP
Power	Power over Ethernet (PoE) or AC adapter
Audio Codec Support	G.711, G.729
QoS	802.1p/q