1 Find "Call barring"
Press the phone icon.
Press the menu icon.
Press Settings.
Press Voice call.
Press Call barring.
2 Select barring option
Press one of the following options:
All outgoing calls
All outgoing calls
International outgoing call
International except home
All incoming calls
Incoming calls in roaming
3 Turn call barring on or off
Key in your barring password (default is 0000) and press OK.
4 Return to the home screen
Press the Home key to return to the home screen.