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LED Status Description
Solid red for 0.5s and off for
3s alternately
The phone enters the power-saving mode.
It is only available on the T48U/T46U phones.
Note: The above introduces the default LED status. Your system administrator can configure the status of the power LED
indicator.
Line Key LED
The line key LED indicators are associated with the status of phone lines and features. It is not available on T48U
phones.
Line key LED (associated with the phone line)
LED Status Description
Solid green The line is seized.
The line is in conversation.
Fast-flashing green The line receives an incoming call.
Slowly-flashing green The call is placed on hold.
Off The line is inactive.
Line key LED (configured as a page switch key)
LED Status Description
Solid red There is a call parked on the line, and the line key is not on the current
page.
Fast-flashing green The line receives an incoming call, and the line key is not on the current
page.
Fast-flashing red The monitored user whose line key is not on the current page receives an
incoming call.
Off The line keys are idle.
Screen and Icons
The user screens and icon indicators can help you navigate and understand the important information on the
phone's status.
Topics
Idle Screen
Calls Screen
Icons in the Status Bar
Line Key Icons
Idle Screen
The idle screen is made up of the status bar, line keys, and soft keys. The time & date in the status bar or middle of
the screen varies by phone models.
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