All outgoing calls
Activate or deactivate: *33*0000#
All outgoing international calls
Activate or deactivate: *331*0000#
All incoming calls
Activate or deactivate: *35*0000#
All incoming calls when you are outside Belgium
Activate or deactivate: *351*0000#
Check whether or not a particular type is activated: #blocking code*0000#
Change the blocking type: **03*330*old code*new code again#
Do you want to configure your mobile so that it only allows calls to be made to a set of preprogrammed numbers? For this option you must reprogram your SIM card.