Nokia E5-00 Nokia E5-00 User Guide in US English - Page 172

172 Security and data management To decrypt the memory card and destroy the encryption key, select Memory card > Decrypt and turn off encryption. Fixed dialing Select Menu > Contacts and Options > SIM numbers > Fixed dial contacts. With the fixed dialing service, you can restrict calls from your device to certain phone numbers. Not all SIM cards support the fixed dialing service. For more information, contact your service provider. When security features that restrict calls are in use (such as call restriction, closed user group, and fixed dialing), calls may be possible to the official emergency number programmed into your device. Call restriction and call forwarding cannot be active at the same time. You need your PIN2 code to activate and deactivate fixed dialing or edit your fixed dialing contacts. Contact your service provider for your PIN2 code. Select Options and from the following: Activate fixed dialing - Activate the fixed dialing. Deactivate fixed dialing - Deactivate the fixed dialing. New SIM contact - Enter the contact name and phone number to which calls are allowed. Add from Contacts - Copy a contact from the list of contacts to the fixed dialing list. To send text messages to the SIM contacts while the fixed dialing service is active, you need to add the text message centre number to the fixed dialing list. Certificate manager Select Menu > Ctrl. panel > Settings and General > Security > Certificate management.