AASTRA DT4x2 for MX-ONE User Guide EN - Manual (Page 49)

49 DT412/DT422/DT432
Outgoing Calls
To assign your own authority level to another phone: *75*
Dial. å *
Enter Authorization Code and press.
е # ж
Dial your own extension number and press.
Verification tone. å
Dial the digit or digits to get an external line and the external
number.
To change your individual Authorization Code: *74*
Dial. å *
Enter old Authorization Code and press.
е # ж
Dial new Authorization Code and press.
Verification tone. æ
Press to finish the procedure.