Enter the phone number you want to restrict, then press OK.
Repeat steps 3 through 6 for each number you want to add to the list.
• RESTRICT CALLS
This network service lets you restrict the calls your phone can make and
receive. Check with your service provider for details.
Note: When calls are restricted, calls may be possible to certain
emergency numbers in some networks (such as 911 or other
official emergency number).
Turn on call restrictions
Press Menu 4-7-2 (Settings > Security settings > Call restrictions).
Scroll through the types of calls you can restrict, and press Select
when you see the one you want.
Outgoing calls: Calls cannot be made.
International calls: Calls cannot be made to foreign countries.
International except to home country: When abroad, calls can be
made only within the current country and to your home country (that
is, the country where your home network operator is located).