Customizing Your Phone31NoteIf you forget the unlock PIN, you can enter the administrator password to unlock your phone, and then change the unlockPIN if allowed.Changing Your Phone Unlock PINThe default unlock PIN is 123. You can change your unlock PIN at any time for security reasons.Procedure1. Navigate to Menu->Basic->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. Press Save.BluetoothThe IP phone supports Bluetooth. Bluetooth enables low-bandwidth wireless connections within a range of 10 meters(32 feet). The best performance is in the range of 1 to 2 meters (3 to 6 feet).TopicsActivating the Bluetooth ModeDeactivating the Bluetooth ModeUsing Bluetooth FeatureActivating the Bluetooth ModeProcedure1. Navigate to Menu->Basic->Bluetooth.2. Select On from the Bluetooth field.3. Press Save on all IP phones.The IP phone scans the available Bluetooth devices automatically.Deactivating the Bluetooth ModeYou can deactivate the Bluetooth mode when you no longer use a Bluetooth device.Procedure1. Navigate to Menu->Basic->Bluetooth.2. Select Off from the Bluetooth field.3. Press Save.The Bluetooth device will not be connected anymore, but it will still be paired. When you activate the Bluetooth modeagain, the paired Bluetooth device will appear in the Paired Bluetooth Device list.Using Bluetooth FeatureWhen the Bluetooth mode is activated, you can pair and connect your Bluetooth device (Bluetooth headset orBluetooth-Enabled mobile phone) to the phone. You can scan and pair up to 60 Bluetooth devices with your phone.However, only one device can be connected at a time. If you connect your Bluetooth-Enabled mobile phone to the IPphone, you can synchronize the mobile contacts to the IP phone.