Cisco 6821 Administration Guide

Vertical Service Announcement Codes
DescriptionParameter
Defaults to blank.Service Annc Base Number
Defaults to blank.Service Annc Extension Codes
Outbound Call Codec Selection Codes
DescriptionParameter
Makes this codec the preferred codec for the
associated call.
Defaults to *017110.
Prefer G711u Code
Makes this codec the only codec that can be used for
the associated call.
Defaults to *027110.
Force G711u Code
Makes this codec the preferred codec for the
associated call.
Defaults to *017111
Prefer G711a Code
Makes this codec the only codec that can be used for
the associated call.
Defaults to *027111.
Force G711a 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.
Prefer 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.
Force G722 Code
Makes this codec the preferred codec for the
associated call.
Prefer G722.2 Code
Makes this codec the only codec that can be used for
the associated call.
Force G722.2 Code
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
260
Phone Troubleshooting
Vertical Service Announcement Codes

Cisco 6821 Specifications

General

Resolution	320 x 240 pixels
Speakerphone	Yes
Headset Port	Yes
Protocols	SIP
USB Port	No
Wireless	No
Bluetooth	No
Video Support	No
Conference Capabilities	Yes
Wall Mountable	Yes
Display	3.5-inch grayscale
Ethernet	10/100 Ethernet
Line Keys	2
PoE	IEEE 802.3af Power over Ethernet (PoE)
Codecs	G.711, G.722, G.729, iLBC
Weight	2.0 lb (0.91 kg)