i2021 ISDN Teleset

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.

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Nortel Networks i2021 Series manual