AASTRA 4425 IP Vision for MD Evolution User Guide - Manual (Page 46)

Logging on and Logging off Your Extension
MD Evolution – Dialog 4425 IP Vision 46
Yes Press the dynamic function key shown on the left.
Your extension is returned to the logged off or locked status, as
illustrated on the following page. Now, only an SOS emergency call
may be placed from this extension (see details to follow).
Signing or Logging on to a Third Party Set
(Free Seating)
You can use a third party set for your calls, as long as you have
logged off from your own extension. This is also referred to as “Free
Seating”.
To take advantage of this feature, from a third party set that is
logged off:
Settings CallList PhoneBook WAP Services
User not logged on! 15:49 07 Nov 2008
Log on with: 405
For SOS calls, dial 9
Erase Log on
Settings CallList PhoneBook WAP Services
User not logged on! 15:49 07 Nov 2008
Log on with: 437
For SOS calls, dial 9
Erase Log on