Aastra DT390 User Manual page 40

7.4.1
7.4.1.1
7.4.1.2
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Callback
When you order callback for a busy extension, you will be called back as
soon as the extension or line becomes free. If you order callback when
there is no answer, you will be called back when the extension has been
used the next time.
Ordering Callback for an Extension
To initiate callback when a called extension is busy, or when there is no
answer, do the following:
1. Press More.
2. Select Callback, and press Select.
Note: If Callback is not programmed and does not appear when you
press More, you can press 6 to initiate callback. France, New
Zealand and Sweden, press 5
3. Press and wait until the phone alerts.
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.
While waiting for callback, you can make and receive calls as usual.
4. Press to answer when you are called back.
The system calls the extension.
Note: Callbacks can be activated on several extensions at the same
time.
Ordering Callback for an External Number
If all external lines are busy when you have dialed the external number
and pressed , do the following:
1. Press 6#.
Note: France, New Zealand and Sweden, press 5#.
2. Press 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 callback, you
can make and receive calls as usual.
3. Press .
The system calls the external number.
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