Aastra Telecom SIP 57I - Manual (Page 339)

Operational Features
41-001160-00, Release 2.1, Rev 04 5-129
Configuring Operational Features
Operational IP Phone Features 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
Status: Logged In
and Available
Status: Unavailable Logged Out
53i Solid Red LED Blinking red LED No LED
55i, 57i, 57i CT Solid Red LED
icon
Blinking Red LED
Blinking
icon
No LED
icon