Find "Call barring"
Press the menu icon.
Press Settings.
Press Call settings.
Press Call barring.
Cancel all barrings
The current settings will be displayed.
Press Deactivate all.
Press Deactivate all.
Click here for more information about the barring password.
Key in your barring password (default is 0000) and press OK.
Click here for more information about the barring password.
Exit
Press the home icon to return to standby mode.