1. Find "Call barring"
Press the main menu icon.
Press Phone.
Press the menu icon.
Press Settings.
Press Calls.
Press GSM call settings.
Press Call barring.
2. Turn on call barring
Press the required barring type.
Press the required setting.
Key in your barring password and press OK. The default barring password is 0000.
0000
3. Turn off call barring
Press Cancel all call barring.
Key in your barring password and press OK. The default barring password is 0000.
0000
4. Return to the home screen
Press the Home key to return to the home screen.