Nokia 8890 User Guide - Page 63
Security settings Menu 4-6
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Security settings (Menu 4-6) Your phone is equipped with a versatile security system to prevent unauthorised use of the phone or the SIM card. See also 'Reference Information' - 'Access Codes'. PIN-code request (Menu 4-6-1) Within this menu you can set the phone to ask for the PIN code of your SIM card when the phone is switched on. You will need the PIN code to turn this request function on. Note that some SIM cards do not allow the PIN code request to be turned off. Security level (Menu 4-6-2) This menu allows you to set the phone security level on to avoid unauthorised use of the phone. You will need the security code to set the security level. The available options are: • None no security code is needed. • Memory security code is required when the phone book memory is selected. • Phone security code required when a new SIM card is inserted. NOTE: When you change the security level, all the recent calls lists are cleared. Call barring service (Menu 4-6-3) This network service allows you to restrict the making and receiving of calls with your phone. For this function you need the barring password. You have the following barring modes to choose: • Outgoing calls calls cannot be made. • International calls calls cannot be made to foreign countries. • International except to home country calls can be made only within and to your home country. 63