AASTRA 4225 for MX-ONE Telephony Switch - Manual (Page 41)

41 Dialog 4223 Professional/Dialog 4225 Vision
Outgoing Calls
If all external lines are busy (after dialing the digit or digits to get a
line):
CallBack Press (see display).
If
CallBack
is not shown, press
more...
until it appears.
Notes:
You can also press 6
or Callback (The function key is
programmed by you).
France, Finland and Sweden, press
5
z #
Dial the external number and press.
d
Replace the handset to finish the procedure.
When an external line becomes free you will be called back (recall ring
signal). You have to answer within eight seconds, otherwise the
Callback service is cancelled. While waiting for the Callback, you can
make and receive calls as usual.
u
Lift the handset when you are called back.
The system calls the external number.
Note: Only one Callback can be activated on a busy external
line. Callbacks from additional lines will recall on Line 1.
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.
# í
Press.
Cancel all Callbacks
#37#
Dial.
í
Press.