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4-3-1 PIN code request
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 need the
PIN code to set the request to on.
Note: Remember that some SIM cards do not allow the PIN
code request to be turned off.
4-3-2 Fixed dialling
You can restrict your outgoing calls to selected phone numbers,
if this function is supported by your SIM card. To save and edit
numbers on the list, you need the PIN2 code.
Note: When Fixed dialling is set to On, calls may be possible to
certain emergency numbers in some networks (e.g. 112 or other
official emergency numbers).
4-3-3 Closed user group
This network service specifies the group of people whom you
can call and who can call you. Preset resets the phone to de-
ploy any user group the SIM card owner has agreed upon with
the service provider.
Note: When calls are limited to closed user groups, calls may be
possible to certain emergency numbers in some networks (e.g.
112 or other official emergency numbers).
4-3-4 Phone security
This menu allows you to set the phone security level to On in or-
der to prevent unauthorised use of the phone. You need the se-
curity code to set the security level.
If On is selected, the phone will ask for the security code when-
ever a new SIM card is inserted.
Note: If you change the security level, all the recent calls lists
are cleared.
4-3-5 Change access codes
With this menu, you can change the access codes: security code,
PIN code and PIN2 code of the active SIM card. These codes may
only include the characters 0 to 9. The phone prompts you to
enter the current code and the new code. It also prompts you to
verify the new code.
If you want to change the codes of the second SIM card, you
have to change the priority of the card reader, see “4-2-7 SIM
card priority” on page 28, restart the car phone and change the
codes of the second SIM card.
Note: Avoid using access codes similar to the emergency num-
bers, such as 112, in order to prevent accidental dialling of the
emergency number.