User Manual

Administrator’s Guide for SIP-T2xP and SIP-T19P IP Phones
44
enough time to read messages. Backlight active level is used to adjust the backlight
intensity of the LCD screen. Backlight active level is only applicable to SIP-T28P IP phones
and the connected EXP39.
You can configure the backlight time as one of the following types:
 Always Off: Backlight is turned off permanently.
 Always On: Backlight is turned on permanently.
 15, 30, 60, 120, 300, 600 or 1800: Backlight is turned off when the IP phone is inactive
after a preset period of time (in seconds), but it is automatically turned on if the
status of the IP phone changes or any key is pressed.
The following table lists available methods and configuration options to configure the
backlight of each phone model.
Phone Model
Configuration Methods
Configuration Options
SIP-T28P
Configuration Files
Web User Interface
Phone User Interface
Backlight Active Level
Backlight Time
SIP-T26P
Configuration Files
Web User Interface
Phone User Interface (only
applicable to the connected
EXP39)
Backlight Active Level (only
applicable to the connected
EXP39)
Backlight Time
SIP-T22P
Configuration Files
Web User Interface
Backlight Time
Procedure
Backlight can be configured using the configuration files or locally.
Configuration File
<y0000000000xx>.cfg
Configure the backlight of the
LCD screen.
For more information, refer to
Backlight on page 277.
Local
Web User Interface
Configure the backlight of the
LCD screen.
Navigate to:
http://<phoneIPAddress>/servlet
?p=settings-preference&q=load
Phone User Interface
Configure the backlight of the
LCD screen.