How to change the mailbox PIN?
To change the mailbox PIN on the desired phone, press the envelope key ✉ or press * 97 to access the voicemail menu, then enter the default PIN (default PIN is 0000) followed by the pound key #.
Once you’re on the main menu, press 5 for the advance option.
To change the mailbox PIN, press 6 and enter the new 4 digit PIN followed by the pound key #
Sheet Cheat
✉ > 0000# > 5 > 6 > New PIN > #