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• PIN code request to set the phone to ask for your PIN code every time the
phone is switched on. Some SIM cards do not allow the PIN code request to be
turned off.
• Call barring service (network service) to restrict incoming calls to and outgoing
calls from your phone. A barring password is required.
• Fixed dialling to restrict your outgoing calls and text messages to selected
phone numbers if this function is supported by your SIM card. The PIN2 code is
required.
When the fixed dialling is on, GPRS connections are not possible except while
sending text messages over a GPRS connection. In this case, the recipient’s
phone number and the message centre number have to be included on the
fixed dialling list.
• Closed user group. Closed user group is a network service that specifies the
group of people whom you can call and who can call you.
• Security level. Select Phone and the phone will ask for the security code
whenever a new SIM card is inserted into the phone.
Select Memory and the phone will ask for the security code when SIM card’s
memory is selected and you want to change the memory in use, (see Selecting
the phone book settings on page 48) or copy from one memory to another
(Copying phone books on page 51).
• Access codes to change the security code, PIN code, PIN2 code or barring
password. Codes can only include numbers from 0 to 9.