AASTRA 4225 for MX-ONE Telephony Switch - Manual (Page 76)

Absence Information
Dialog 4223 Professional/Dialog 4225 Vision 76
Absence Information
Absence Information is used to inform callers why you are absent and
when you will return. If you are authorized, you can also enter Absence
Information for another extension from your extension. During Absence
Information, your phone can still be used for outgoing calls and you
will hear a special dial tone when you lift the handset.
Order
Absence Press (see display).
If
Absence
is not shown, press
more...
until it appears.
Down or Up Press to frame
Absence reason
(see display).
Select Press (see display).
Down or Up Press to frame the required reason (see display).
Select Press (see display).
When no return time or date is needed, the display shows the selected
reason, and diversion information.