AASTRA DT4x2 for MX-ONE User Guide EN - Manual (Page 44)

Outgoing Calls
DT412/DT422/DT432 44
Cancel all Callbacks #37#
Dial. æ
Press.
Wait for the call icon to stop flashing.
æ
Press to finish the procedure.
Activate Call Waiting
If you urgently wish to contact a busy extension or external line, you
can notify by a Call Waiting signal. 5
Press
Note: France and Finland, press
6
; Sweden, press
4
.
Keep your phone off-hook
When the called extension or the external line becomes free, it will
be called automatically.
Note: The Call Waiting function might be blocked for use on
your extension (programmed by your system administrator).
If Call Waiting is not allowed, you will continue to receive a
busy tone.
Intrusion on a busy extension
You can intrude on an ongoing call on a busy extension. 4
Press
Note: France and Sweden, press
8
.
Before the Intrusion is executed a warning tone is sent to the
parties in the ongoing call. A three party call is established and a
warning tone is heard.
Note: The warning tone might be disabled for your system.
The Intrusion function might be blocked for use on your
extension (programmed by your system administrator). If
Intrusion is not allowed, you will continue to receive a busy
tone.