Aastra 53i Release Note page 85

This icon changes when you log on to the phone queue and are available to take
calls. The icon changes again when you are busy with an active call. The table
below describes the meaning of the LED, and each icon, as they may appear on
your IP phone:
Phone Model
53i
55i, 57i, 57i CT
RN-001029-00, Rev 03, Release 2.1
Status: Logged In
and Available
Solid Red LED
Solid Red LED
icon
5i Series IP Phone Release Notes
Sylantro Interoperability Features
Status: Unavailable Logged Out
Blinking red LED No LED
Blinking Red LED No LED
Blinking icon icon
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