Yealink SIP-T2xP Auto Provisioning Manual page 202

Yealink IP Phones Auto provisioning Guide
Parameter
phone_setting.mail_power_led_flash_enable =
(not applicable to CP860 IP phones)
192
Permitted Values
(300ms) green)
The default value is 1.
For SIP-T4X IP phones:
0-Disabled (power indicator LED does not
flash)
1-Enabled (power indicator LED fast flashes
(300ms) red)
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_enabl
e".
The default value is 1.
It enables or disables the power indicator
LED to flash when the phone receives a
voice mail or a text message.
For SIP-T2xP/T19P IP phones:
0 or 1
0-Disabled (power indicator LED does not
flash)
1-Enabled (power indicator LED slow
flashes (1000ms) green)
Descriptions
Features->Power LED->Voice/Text Mail
Power Light Flash
Web Setting Path