Yealink SIP-T4X Administrator's Manual page 283

Parameter-
phone_setting.talk_and_dial_p
ower_led_enable
Description
Format
Default Value
Range
Example
Parameter-
phone_setting.contrast
Description
Format
Default Value
Range
Example
Configuration File
<y0000000000xx>.cfg
Enables or disables the power indicator LED to
be turned on when the phone is busy.
If it is set to 0, the status of the power indicator
LED is determined by the value of the
parameter
―phone_setting.common_power_led_enable‖.
Boolean
0
Valid values are:
0-Disabled (power indicator LED is off)
1-Enabled (power indicator LED is solid red)
phone_setting.talk_and_dial_power_led_enab
le = 0
Configuration File
<y0000000000xx>.cfg
Configures the LCD's contrast of EXP40
connected to SIP-T48G/T46G IP phones.
Note: We recommend that you set the contrast
of the LCD screen to 6 as a more comfortable
level.
Integer
6
1 to 10
phone_setting.contrast = 6
Appendix
267