When You Receive A Busy Tone - Aastra Dialog 4223 Professional User Manual

Outgoing Calls
NOTE: This feature
works only with
campus extensions
CallBack
40

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 any of the following
methods:
Callback
If a called extension is busy or there is no answer:
Press (see display).
It can take several seconds before the procedure is executed.
If
CallBack
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.
While waiting for the Callback, you can make and receive calls as
u
usual.
Lift the handset when you are called back.
The system calls the extension.
is not shown, press
6
Notes:
You can also press or Callback (The function key is
programmed by you).
France, Finland and Sweden, press
Note: Callbacks can be activated on several extensions at
the same time. Callbacks from additional lines will recall on
Line 1.
Dialog 4223 Professional/Dialog 4225 Vision
until it appears.
more...
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