User Guide for the SIP-T20P/SIP-T20 IP Phone
4
Power Indicator LED
The phone is initializing.
The phone is busy.
The phone is idle.
The call is placed on hold or is held.
The phone receives a voice mail.
Fast flashing green (300ms)
The phone is ringing.
The call is mute.
The phone is powered off.
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)
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.
The call is parked against the monitored user’s
phone number.
The monitored user does not exist.
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_and_SIP-T19P_IP_Phone_Family_Administrator_Guide
.
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