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Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 8.0 (SCCP and SIP)
OL-20798-01
Chapter 6      Customizing the Cisco Unified IP Phone
  Automatically Disabling the Cisco Unified IP Phone Backlight
Backlight On 
Duration
Length of time that the backlight remains on after turning on at the time specified 
in the Backlight On Time field.
Enter the value in this field in the format hours:minutes.
For example, to keep the backlight on for 4 hours and 30 minutes after it turns on 
automatically, enter 4:30.
If this field is blank, the backlight turns off at the end of the day (0:00).
Note If Backlight On Time is 0:00 and the backlight on duration is blank (or 
24:00), the backlight remains on continuously.
Backlight Idle 
Timeout
Length of time that the phone is idle before the backlight turns off. Applies only 
when the backlight was off as scheduled and was turned on by an end-user (by 
pressing a button on the phone or lifting the handset).
Enter the value in this field in the format hours:minutes.
For example, to turn the backlight off when the phone is idle for 1 hour and 30 
minutes after an end-user turns the backlight on, enter 1:30.
The default value is 0:30.
Table 6-1 Backlight On and Off Configuration Fields (continued)
Field Description