This is done at the Attn station
1. Press CNF then *
2. Dial hour 00-23
3. Press DSS key 20
4. Dial minute 00-59
5. Press DSS key 20
6. Dial day of month 01-31
7. Press DSS key 20
8. Dial month using line key 1-12
9. Press DSS key 20
10.Dial year
11.Press ANS
