Aastra DT4x2 for MX-ONE User Guide EN User Manual download pdf (Page 43)

43DT412/DT422/DT432

Outgoing Calls

If all external lines are busy when the Hook key is pressed after

dialing the external number (on-hook dialing):

6# Press.

Notes:

If you were dialing off-hook (the Hook key was pressed

before the number), you are required to add the external

number now.

France, Finland and Sweden, press

5 #

æ 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 the Callback, you

can make and receive calls as usual.

æ Press when you are called back.

The system calls the external number.

Note: Only one Callback can be activated on a busy

external line.

Cancel any single Callback

#37* å 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.

#æ Press.

Wait for the call icon to stop flashing.

æ Press to finish the procedure.

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Aastra DT4x2 for MX-ONE User Guide EN User Manual Page 43