On the main log-in screen, click on the left column “All Lines”, scroll to find the telephone number you need to unlock.
On the Actions dropdown arrow select Unlock account
The user’s account will be reset to the most recent PIN and/or Password
In the upper right of the screen you will see your name. Click on your name and select Logout
WARNING: Do not choose the Reset line option as ALL settings for the phone will be wiped out. If a business group administrator does this there is a $37.50 reprogramming fee billed to the account.