AASTRA 4222 Office for MX-ONE (TSE) User Guide EN - Manual (Page 32)

Outgoing Calls
Dialog 4220 Lite/Dialog 4222 Office 32
To assign your own authority level to another phone:
*75*
Dial.
z *
Enter Authorization Code and press.
Verification tone.
z #
Dial your own extension number and press.
Verification tone.
z
Dial the digit or digits to get an external line and the external
number.
To change your individual Authorization Code:
*74*
Dial.
z *
Enter old Authorization Code and press.
z #
Enter new Authorization Code and press.
Verification tone.