Yealink SIP-T54S Administrator's Manual page 642

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
LED Status
Off
Line Key/Expansion Module Key LED (configured as a BLF key or a BLF List key and BLF LED
Mode is set to 4. This mode is specifically designed for the Genband server.)
LED Status
Solid green
Slow-flashing green (1s)
Off
Procedure
BLF LED mode can be configured using the following methods.
Central
Provisioning
(Configuration File)
Web User Interface
Details of Configuration Parameters:
features.blf_led_mode
Description:
Configures BLF LED mode and provides five kinds of definition for the BLF/BLF List key LED
status.
Note: It is not applicable to SIP-T19(P) E2/CP860/CP920 IP phones. For the Genband
server, you can set the value of this parameter to 4.
Web User Interface:
Features->General Information->BLF LED Mode
Phone User Interface:
None
616
The monitored user is idle.
The monitored user does not exist.
The monitored user is talking.
The monitored user does not exist.
The monitored user is idle.
<y0000000000xx>.cfg
Parameters
Description
Description
Configure BLF LED mode.
Parameter:
features.blf_led_mode
Configure BLF LED mode.
Navigate to:
http://<phoneIPAddress>/servlet?p=f
eatures-general&q=load
Permitted Values
0, 1, 2, 3 or 4
Default
0