Yealink T54S

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
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LED Status
Description
Solid red
The monitored user is dialing.
The monitored user is talking.
The monitored user’s conversation is placed on hold (This
LED status requires server support).
Slow-flashing red (1s)
The call is parked against the monitored user’s phone
number.
Off
The monitored user is idle.
The monitored user does not exist.
Line Key/Expansion Module Key LED (configured as a BLF key or a BLF List key and BLF LED Mode is set
to 3)
LED Status
Description
Fast-flashing green
(200ms)
The monitored user receives an incoming call.
Solid red
The monitored user is dialing.
The monitored user is talking.
The monitored user’s conversation is placed on hold (This
LED status requires server support).
Slow-flashing red (1s)
The call is parked against the monitored user’s phone
number.
Off
The monitored user is idle.
The monitored user does not exist.
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
Description
Solid green
The monitored user is talking.
Slow-flashing green (1s)
The monitored user does not exist.
Off
The monitored user is idle.
BLF LED Mode Configuration
The following table lists the parameters you can use to configure BLF LED Mode.
Parameter
features.blf_led_mode
<y0000000000xx>.cfg
Description
It configures BLF LED mode and provides five kinds of definition for the BLF/BLF List