When You Receive A Busy Tone; Callback - Aastra DIALOG 4223 PROFESSIONAL User Manual

CallBack

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Dialog 4223 Professional/Dialog 4225 Vision

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 is not shown, press
CallBack
Note:
You can also press
programmed by you).
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
usual.
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. Callbacks from additional lines will recall on
Line 1.
until it appears.
more...
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or Callback (The function key is
Outgoing Calls
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