Number blacklist restricts all unwanted calls which are predefined by you.
Number whitelist allows calls only from the predefined numbers.
Once this feature is enabled, it will prompt you after every call whether to add the number in Blacklist or not.
If 'Reject with SMS' is selected in list action, it will send predefined SMS to all the rejected calls.
Click on list created and select Add from phone-book to add numbers from contacts. You can also select Add manually to manually add numbers.
Incoming Call Control defines the action for Call filter. If you wish to disable call filter function, please select disable in Incoming Call Control option.