GE / ITI / UC Caretaker Codes

Master Code 1
Duress Code (First 2-digits of User Code + 99, User Codes cannot end in 99)

Change Master 1. Press * + Old Master Code (Do this on the Telephone, NOT at Keypad)
2. Press # + 8 (System will speak old Master Code)
3. Press * + New Master Code (Phone will speak new Master Code)
4. Hang up Telephone
(If * conflicts with other phone equipment press # + New Master Code instead)