Ericsson DT288 User Manual page 62

Authority
* 7 5 *
#
# 7 6 *
#
* 7 5 *
#
62
To make calls with your authority level when your
telephone is locked
Press
Enter authorization code and press
Wait for verification tone.
Dial the digit or digits to get a line and the external number
To unlock your telephone
Press
Enter authorization code and press
Wait for verification tone.
Press to finish the procedure
To assign your own authority level to another telephone
Press
*
Enter authorization code and press
Dial your own extension number and press
Wait for verification tone.
Dial the digit or digits to get a line and the external number
DT288