Yealink SIP-T48G

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
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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
Description
Fast flashing red (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 2)
LED Status
Description
Fast flashing red (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 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.