S e t t i n g s764. Enter the new lock code (only 4 characters), and select OK.5. Enter the new lock code again for verification, and select OK.When you change your lock code, make sure to remember it. If necessary, write itdown and store it in a safe place away from your phone.Call restrictionsCall restrictions allows you to block or permit numbers for incoming or outgoingcalls.1. Select Menu > Settings > Security.2. Enter the lock code, and select OK.3. Select Call restrictions and the type of calls you wish to restrict:Restrict outgoing calls—Set restrictions on making calls.Restrict incoming calls—Set restrictions on receiving calls.4. Select whether to block or allow numbers:Blocked numbers—Set numbers that are blocked on incoming calls, allowingall other numbers. When a number is blocked, the call is sent to voice mail.Allowed numbers—Set numbers that are allowed, blocking all other numbers.5. To modify the restriction list, select from the following options:Select—Add numbers to the restriction list.Add restriction—Add a restriction to a number (unavailable if memory is full).Edit—Edit a restriction on a number.Delete—Delete a number from restriction list.When calls are restricted, calls may be possible to the official emergency numberprogrammed into your device.Voice privacyVoice privacy is a network service, and its function depends on a variety ofservices. Contact your service provider for more information.If your wireless service provider supports this feature, the voice privacy featureprotects the privacy of your current phone conversation from other callersplacing phone calls on your same network.