AASTRA 4147 Medium for MX-ONE (TSW) User Guide EN - Manual (Page 24)

Outgoing Calls
Dialog 4106 Basic/Dialog 4147 Medium 24
When you receive a busy tone
If you call an extension and receive a busy tone or get no answer or
all external lines are busy you can use these methods:
Callback
If a called extension is busy or there is no answer: 6
Press.
It can take several seconds before the procedure is executed.
Note: France, Finland and Sweden, press
5
d
Replace the handset to finish the procedure.
You are called back (recall ring signal) when the ongoing call is
finished or the next time a new call is finished. You have to answer
within eight seconds, otherwise the Callback service is cancelled. u
Lift the handset when you are called back.
The system calls the extension.
Note: Callbacks can be activated on several extensions at
the same time.
If all external lines are busy (after dialing the digit or digits to get a
line): 6
Press.
Note: 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. 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.