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• Fixed dialling to restrict your outgoing calls to selected phone numbers if this
function is supported by your SIM card.
• Closed user group (network service) to specify a group of people whom you can
call and who can call you.
• 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, PIN2 code, or barring
password.
Restore factory settings
To reset some of the menu settings to their original values, select Menu >
Settings > Restore factory settings. Enter the security code. The data you have
entered or downloaded, such as names and phone numbers saved in Contacts, are
not deleted.