i2021 ISDN Teleset
39
5. This number is your password. Write it down. You are prompted to
confirm the password.
6. To begin Level 2 protection, press the MENU key now.
7. To begin Level 3 protection, press the LockAll softkey. Level 3
protects the Teleset’s entire menu system.
8. Press LockAll.
9. Press MENU to exit.