Overview
5
Line key LED
The line is in conversation.
The line is seized.
The line receives an incoming call.
The call is placed on hold.
Line key LED (configured as a BLF key or a BLF List key)
The monitored user is idle.
Fast flashing green (200ms)
The monitored user receives an incoming call.
Slow flashing green (500ms)
The monitored user is dialing.
The monitored user is talking.
The monitored user’s conversation is placed on
hold (This status requires server support).
The call is parked against the monitored user’s
phone number.
The monitored user does not exist.
Memory key LED (configured as a BLF key or a BLF List key)
The monitored user is idle.
Fast flashing red (200ms)
The monitored user receives an incoming call.
The monitored user is dialing.
The monitored user is talking.
The call is parked against the monitored user’s
phone number.
The monitored user’s conversation is placed on
hold (This status requires server support).
The monitored user does not exist.
Note
Two ways to customize configurations of your SIP-T28P IP phone:
The user interface on the IP phone.
The above introduces the default LED status. The statuses of the power indicator LED and
BLF key are configurable via web user interface. For more information, refer to
Yealink_SIP-T2xP_IP_Phones_Administrator_Guide.