AASTRA 4425 IP Vision (SIP) for MX-ONE User Guide - Manual (Page 71)

Absence Information
Dialog 4425 IP Vision 72
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).
or Press (see display).
Repeat until the
Absence Reason menu is framed.
Select Press (see display).
The display shows:
or Press until the desired absence type is framed (see display).
Select Press (see display). z
OK Enter the time or date of return (if required) and press (see
display).
The display shows the selected reason and, if entered, time/date of
return.
Settings CallList Contacts CorpDirectory Web
Absence Reason
No Absence
Lunch
Busy
Absent
Exit
Select