AASTRA DT292 for MX-ONE User Guide EN - Manual (Page 34)

Outgoing Calls
DT292 34
Cancel any single Callback #37* Z
Dial and enter the extension number.
Note: To cancel a single Callback on a specific external line,
dial the digit or digits to get a line instead of the extension
number. # Ь Ы
Press.
Wait for the call icon to stop flashing. Ъ Щ
Press to finish the procedure.
Cancel all Callbacks #37# Ь Ы
Dial and press.
Wait for the call icon to stop flashing. Ъ Щ
Press to finish the procedure.
Activate Call Waiting
If you urgently wish to contact a busy extension or an 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.