AASTRA DT4x2 for BusinessPhone User Guide EN - Manual (Page 102)

Settings
BusinessPhone – Cordless DT412/DT422/DT432 102
Owner ID
With this function, you can program your personal owner ID.
When you have entered settings: á
Select General . ã
Select Owner ID .
Edit Press (see display). å
Enter your Owner ID.
The Cordless changes to text entry mode automatically. How to
write text, see section “ Write Text ” on page 83.
Save Press (see display).
The new ID is shown.
System
Use this menu to select a system and view all Cordless related
information. If you are often moving between systems, it might be
convenient to change system quickly, therefore you can set this
function as a Soft key, or Hot key. See also section “ Installation ” on
page 110.
Note: The Register option may only be performed by the
system administrator and is described in a separate
documentation.