Cisco 6821 Administration Guide

DescriptionParameter
Makes this codec the preferred codec for the
associated call.
Defaults to *01729.
Prefer G729a Code
Makes this codec the only codec that can be used for
the associated call.
Defaults to *02729.
Force G729a Code
Makes this codec the preferred codec for the
associated call.
Prefer iLBC Code
Makes this codec the only codec that can be used for
the associated call.
Force iLBC Code
Makes this codec the preferred codec for the
associated call.
Prefer OPUS Code
Makes this codec the only codec that can be used for
the associated call.
Force OPUS Code
Time
DescriptionParameter
Sets the local date (mm represents the month and dd
represents the day). The year is optional and uses two
or four digits.
Default: Blank
Set Local Date (mm/dd/yyyy)
Sets the local time (hh represents hours and mm
represents minutes). Seconds are optional.
Default: Blank
Set Local Time (HH/mm)
Selects the number of hours to add to GMT to generate
the local time for caller ID generation. Choices are
GMT-12:00, GMT-11:00,…, GMT, GMT+01:00,
GMT+02:00, …, GMT+13:00.
Default: GMT-08:00
Time Zone
This specifies the offset from GMT to use for the local
system time.
Default: 00/00
Time Offset (HH/mm)
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Phone Troubleshooting
Time

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)