Nokia 8600 User Guide - Page 66

Settings Select Menu > Settings > Security and from the following options: PIN code request and UPIN code request - to set the phone to ask for your PIN or UPIN code every time the phone is switched on. Some SIM cards do not allow the code request to be turned off. PIN2 code request - to select whether the PIN2 code is required when using a specific phone feature which is protected by the PIN2 code. Some SIM cards do not allow the code request to be turned off. Call barring service - to restrict incoming calls to and outgoing calls from your phone (network service). A barring password is required. Fixed dialling - to restrict your outgoing calls to selected phone numbers if this function is supported by your SIM card Closed user group - to specify a group of people whom you can call and who can call you (network service) Security level > Phone - to set the phone to ask for the security code whenever a new SIM card is inserted into the phone. If you select Memory, the phone asks for the security code when the SIM card memory is selected, and you want to change the memory in use. Access codes - to change the security code, PIN code, UPIN code, PIN2 code, or barring password Code in use - to select whether the PIN code or UPIN code should be active Authority certificates or User certificates - to view the list of the authority or user certificates downloaded into your phone. See Certificates p. 87. Security module settings - to view Security module details, activate Module PIN request, or change the module PIN and signing PIN. See also Access codes p. 8. ■ Phone software updates Your service provider may send phone software updates over the air directly to your device. This option may not be available, depending on your phone. 66