AASTRA 4425 IP Vision for BusinessPhone User Guide - Manual (Page 11)

11 BusinessPhone – Dialog 4425 IP Vision
Description
Lamp indications
The key lamps on your telephone indicate with different signals the
traffic state of the ongoing call or function.
Ô
Extinguished lamp The function is not active.
Х Ф
Steady light
The function is active, supervised
extension or trunk is busy, heard
message
Ц Ф
Rapidly flashing lamp
An incoming call to a supervised
extension, to a supervised trunk or to
own extension, new message.
Х Ф
Light with short breaks Ongoing call.