How to change the time (MUST BE ENTERED IN MILITARY FORMAT)

Do not lift the handset!

1. Press Transfer
2. Dial 200 1234 1
3. Press Transfer
4. Press Transfer (again)
5. Dial 505

Enter 1 digit day of week, 2 digit month, 2 digit day, 2 digit year: 2 digit hour, 2 digit minute

Example: 10407030900=Monday, April 7, 2003, 9am
Example: 20408031300=Tuesday, April 8, 2003, 1pm
Press Transfer when finished