Yealink SIP-T2 Series Provisioning Manual page 230

Yealink IP Phones Auto provisioning Guide
Line key LED (configured as a BLF/BLF list key and BLF LED Mode is set to 3)
LED Status
Fast flashing green
(200ms)
Solid green
Slow flashing green (1s)
Off
Memory key/Expansion Module key LED (configured as a BLF/BLF list key and BLF LED
Mode is set to 3)
LED Status
Fast flashing red (200ms)
Solid red
Slow flashing red (1s)
Off
220
Description
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.
The call is parked against the monitored user's phone
number.
The monitored user is idle.
The monitored user does not exist.
Description
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.
The call is parked against the monitored user's phone
number.
The monitored user is idle.
The monitored user does not exist.