Select > Settings and Calling > Call barring.To modify the settings, you need the barring password from your service provider.Prevent making calls1 If an internet call service is installed, select Mobile call barring.2 To prevent making any calls or international calls, select Outgoing calls orInternational calls. To prevent making international calls, but allow calls to yourhome country, select International calls except to home country.3 Select Activate. Call barring affects all calls, including data calls.Prevent receiving calls1 If an internet call service is installed, select Mobile call barring.2 To prevent receiving any calls or international calls when you are abroad, selectIncoming calls or Incoming calls when roaming.3 Select Activate.Prevent anonymous internet callsSelect Internet call barring > Anonymous call barring > On.Call barring and call diverting cannot be active at the same time.Allow calls only to certain numbersYou can allow calls only to family members or other key phone numbers, and block allother phone numbers.Select > Contacts and > SIM numbers > Fixed dialling numbers.Not all SIM cards support the fixed dialling service. You need your PIN2 code from yourservice provider.Activate fixed diallingSelect > Activate fixed dialling. Enter the PIN2 code.Select the people to whom calls are allowed1 Select > New SIM contact.2 Enter the PIN2 code.3 Enter the contact name and phone number to which calls are allowed, and select.To add a contact from the contacts list to the fixed dialling list, select > Addfrom Contacts and a contact.44 Telephone