1. Find "Call barring service"
Press the Navigation key.
Select Settings.
Select Security settings.
Select Call barring service.
2. Turn on call barring
Select the required barring type.
Select Activate.
Key in your barring password and press the Navigation key. The default barring password is 0000.
0000
3. Turn off call barring
Select Cancel all barrings.
Key in your barring password and press the Navigation key. The default barring password is 0000.
0000
4. Return to the home screen
Press Disconnect to return to the home screen.