48 Model 55i IP Phone User GuideCustomizing Your Phone Phone LockYou can lock your phone to prevent the phone from being used or configured. Youcan lock the phone using any of the following:• At the path Options->Phone Lock on the IP Phone UI.• At the path Operations->Phone Lock on the Aastra Web UI.• At a configured key on the phone. For more information about configuring aLock/Unlock key on your phone, see "Phone Lock Key" on page 108.In the Aastra Web UI, the Operation->Phone Lock path also allows you to performthe following:• Reset a user password. Clicking on the “Reset” button in the “Reset UserPassword” field displays a screen that allows you to enter and save a newuser password.• Set an emergency dial plan. An emergency dial plan can be 911, 999, 112, 110or all of the above. The default emergency dial plan is 911|999|112|110.The following procedures describe locking the phone, setting an emergency dial plan,and resetting the user password.Locking/Unlocking a PhoneUse the following procedures to lock an IP phone and prevent it from being used orconfigured.Lock the Phone1. Press on the phone to enter the Options List.2. Select Phone Lock and press Select.3. At the "Lock the phone?" prompt, press Lock.The message "Phone is locked" displays.Unlock the Phone1. Press on the phone to enter the Options List.2. At the prompt, "To unlock the phone", enter your user password and press Enter..The phone unlocks.IP Phone UI
