Time Change
AT&T/Lucent/Avaya Partner
This must be done from x10
or x11(PartnerII and ACS only)
With the phone hung up Press FEATURE
Dial 00
Press the LEFT INTERCOM button twice
Press #
Dial 103
Enter the time in military format HHMM (e.g. 2:30pm is 1430, 2:30am is 0230)
Lift and replace handset
Your Done!