First, factory reset the device:
Follow these steps to perform a factory reset of the Unify phone:
- Hold 289 keys down at the same time.
- The phone will then ask for a reset password.
- Type 124816, press OK, and the phone will reset back to asking for the terminal number.
Next, enter the university extension number (terminal number), in the format:
Please ensure that the correct number is keyed in, as entering a wrong number will require a factory reset for the phone.