Yealink SIP-T5 Series Administrator's Manual page 446

Administrator's Guide for SIP-T2 Series/T4 Series/T5 Series/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 1)
LED Status
Fast-flashing red
(200ms)
Solid red
Slowly-flashing red (1s) The call is parked against the monitored user's phone number.
Off
Line Key/Expansion Module Key LED (configured as a BLF key or a BLF List key and BLF LED Mode is set to 2)
LED Status
Fast-flashing red
(200ms)
Solid red
Slowly-flashing red (1s) The call is parked against the monitored user's phone number.
Off
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
Fast-flashing green
(200ms)
Solid red
Slowly-flashing red (1s)
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 Ribbon server.)
443
The monitored user does not exist.
The monitored user receives an incoming call.
The monitored user is dialing.
The monitored user is talking.
The monitored user's conversation is placed on hold (This LED status requires server sup-
port).
The monitored user is idle.
The monitored user does not exist.
The monitored user receives an incoming call.
The monitored user is dialing.
The monitored user is talking.
The monitored user's conversation is placed on hold (This LED status requires server sup-
port).
The monitored user is idle.
The monitored user does not exist.
The monitored user receives an incoming calls
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).
The call is parked against the monitored user's phone number.
The monitored user is idle.
The monitored user does not exist.
Description
Description
Description
Description