Aastra 6757i User Manual page 197

The following table identifies when a call terminated screen displays on the phone for different scenarios.
IF
1 line active and far-end disconnects,
2 or more lines active, and far-end disconnects,
2 or more lines active, and a line NOT in focus is disconnected
by the far-end,
An incoming call comes in on the line in focus that has a discon-
nected screen displaying,
An incoming call comes in on another line (NOT in focus), and
the disconnected screen is displaying on the line in focus,
A phone application is NOT in focus,
Note:
This "indication of terminated calls" feature does not affect parked calls on the phone or the conference call feature.
The following procedure describes how to handle the disconnected screens on your phone.
IP Phone UI
1. Press the Goodbye
The busy tone stops and the disconnected screen no longer displays.
or
Select any Line key.
The busy tone stops and the disconnected screen no longer displays.
A dial screen displays
41-001385-00 Rev 01 – 06.2013
THEN
the line in focus:
displays disconnected screen.
plays busy tone.
displays "Call Terminated" message on the screen.
the line not in focus:
plays busy tone.
the line in focus:
displays disconnected screen.
plays busy tone.
displays "Call Terminated" message on the screen for 5 seconds.
When 5 second times out:
the busy tone stops
the disconnected screen disappears.
no busy tone plays
no disconnected screen displays
no "Call Terminated" message displays
the line in focus with no calls on hold:
displays a ringing screen
the line in focus WITH calls on hold:
flashes its' Line LED
the disconnected screen no longer displays on the line in focus.
busy tone plays
no disconnected screen displays
When the phone application in focus on screen stops:
busy tone plays
disconnected screen displays
key.
Available Features Enabled by Administrators
190