1 Find "Call barring"
Press the phone icon.
Press the menu icon.
Press Settings.
Press Calls.
Press GSM call settings.
Press Call barring.
2 Turn on call barring
Press the required barring category.
Press the required barring type.
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.