Yealink CP960 User Guide36Setting the Phone LockSetting a Phone Lock KeyUnlocking Your PhoneProcedure1. Tap the screen or tap the Mute touch key, the phone screen prompts you to enter a unlock PIN.2. Enter the desired PIN (default: 123) in the Unlock PIN field.3. Tap OK.The lock icon disappears from the phone screen.NoteIf you forget the unlock PIN, you can enter the administrator password to unlock your phone, and then change the unlockPIN.Changing Your Phone Unlock PINThe default unlock PIN is 123, you can change it at any time for security reasons.Procedure1. Navigate to Settings->Basic Settings->Change PIN.2. Enter the desired value in the Old PIN, New PIN and Confirm PIN field respectively.The unlock PIN length must be within 15 digits.3. Tap .Line KeysYou can assign predefined functionalities to line keys. You can also define a label for a line key feature which willappear on the touch screen. Line keys allow you to quickly access features such as recall and voice mail. The line keycan indicate the monitored status when the line keys are assigned with particular features, such as BLF. The default keytype of line key 1 is Line. The default key type of line key 2-30 is N/A, which indicates that this line key provides nofunctionality until configuration.TopicsAssigning Functionality to a Line KeyChanging the Location of the Line KeysDeleting a Line KeyAssigning Functionality to a Line KeyProcedure1. Do one of the following:l Tap on the top-right of the line key list.