ToolsOptions in theFixed dialling view: Open,Call, Activ. fixed dialling /Deact. fixed dialling, Newcontact, Edit, Delete, Add toContacts, Add fromContacts, Find, Mark/Unmark, Help, and Exit.Fixed dialling - You can restrict your outgoing calls to selected phone numbers, if supportedby your SIM card. You need the PIN2 code for this function. When this function is active,you can only call those phone numbers that are included in the fixed dialling list or whichbegin with the same digit(s) as a phone number on the list.• Press to set Fixed dialling on.When fixed dialling is activated, calls still may be possible to the official emergencynumber programmed into your device.• To add new numbers to the Fixed dialling list, select Options→ New contact or Add fromContacts.Closed user group (Network Service) - You can specify a group of people to whom you cancall and who can call you. For more information, contact your network operator or serviceprovider. Select: Default to activate the default group agreed on with the network operator,On if you want to use another group (you need to know the group index number), or Off.When calls are limited to closed user groups, calls still may be possible to the officialemergency number programmed into your device.Confirm SIM services (Network Service) - To set the phone to display confirmation messageswhen you are using a SIM card service.Certif. managementOptions in thecertificate managementmain view: CertificateIn the Certificate management main view, you can see a list of authority certificates thathave been stored in your phone. Press to see a list of personal certificates, if available.Authority certificates are used by some browser services, such as banking services, for