Cisco 7821 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 ISAC Code
Makes this codec the only codec that can be used for
the associated call.
Force ISAC 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)
Cisco IP Phone 7800 Series Multiplatform Phones Administration Guide
263
Cisco IP Phone Troubleshooting
Time

Cisco 7821 Specifications

General

Resolution	396 x 162 pixels
Lines	2
Speakerphone	Yes
Display	3.5-inch (89 mm) monochrome display
Ethernet Ports	2 x 10/100 Ethernet ports
Power	IEEE PoE Class 1
Headset Port	Yes
Protocols	SIP
Audio Codecs	G.711, G.722, G.729, iLBC
Weight	0.9 kg (1.98 lb)