Aastra DT590 User Manual page 42

Outgoing Calls
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42
To make calls with your authority level when your phone is locked:
Dial.
Enter Authorization Code and press.
Verification tone.
Dial the digit or digits to get an external line and the external
number.
To open your phone:
Dial.
Enter Authorization Code and press.
Verification tone.
Press to finish the procedure.
To assign your own authority level to another phone:
Dial.
Enter Authorization Code and press.
Dial your own extension number and press.
Verification tone.
Dial the digit or digits to get an external line and the external
number.
To change your individual Authorization Code:
Dial.
Enter old Authorization Code and press.
Dial new Authorization Code and press.
Verification tone.
Press to finish the procedure.
DT590