To bar the incoming or outgoing internet calls, open Settings. Select Calling > Cellular call barring.

Select a barring option and select:

Tip:

When you are travelling, you can bar international calls that are not made to your home country. Select International calls except to home country and select Options > Activate.

To lift all call restrictions, select Options > Deactivate all barrings.

To change the barring password, select Options > Edit barring password. Enter the old password once, the new password twice, and select OK.

To save your settings, select Back.