Yealink T5 Series Administrator's Guide

Administrator’s Guide for SIP-T58V/T58A/T56A/CP960 IP Phones
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Backlight
You can change the backlight brightness of the touch screen. The backlight brightness automatically changes when
the phone is idle for a specified time. Backlight time is applicable to T58V/T58A/T56A/CP960 phones and EXP50 (con-
nected to T58V/T58A/T56A phones).
You can change the screen backlight brightness and time in the following settings:
l Always On: Backlight is on permanently.
l 15s, 30s, 1min, 2min, 5min, 10min or 30min: Backlight is changed when the phone is inactive after the designated
time (in seconds).
Topics
Supported Backlight Options
Backlight Brightness and Time Configuration
Supported Backlight Options
The following table lists available configuration options to configure the backlight of phone models/expansion mod-
ules:
Phone Model (and the connected
expansion module)
Configuration Options
T58V/T58A/T56A(EXP50)
Active Level (Backlight Active Level)
Backlight Time (not applicable to EXP50)
CP960
Active Level (Backlight Active Level)
Backlight Time
Backlight Brightness and Time Configuration
The following table lists the parameters you can use to configure screen backlight brightness and time.
Parameter phone_setting.active_backlight_level <y0000000000xx>.cfg
Description
It configures the intensity of the LCD screen when the phone is active.
Note: If the expansion module is connected, the backlight on the expansion module automatically
changes to match this setting.
Permitted
Values
Integer from 1 to 10
Default 8
Web UI Settings->Preference->Active Level
Phone UI Settings->Basic Settings->Display->Backlight->Backlight Active Level
Parameter phone_setting.backlight_time <y0000000000xx>.cfg
Description
It configures the delay time (in seconds) to change the intensity of the LCD screen when the phone is
inactive.
Permitted
Values
0-Always On
15-15s

Yealink T5 Series Specifications

General

Brand	Yealink
Model	T5 Series
Category	IP Phone
Language	English