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■ Security
When security features that restrict calls are in use (such as call restrictions,
closed user group, and fixed dialing) calls still may be possible to the official
emergency number programmed into your device.
Select Menu > Settings > Security and from the following options:
PIN code request and UPIN code request — to set the phone to ask for your PIN or
UPIN code every time the phone is switched on. Some SIM cards do not allow the
code request to be turned off.
Call restrictions — to restrict incoming calls to and outgoing calls from your
phone (network service dependency). A restriction password is required.
Fixed dialing — to restrict your outgoing calls to selected phone numbers if this
function is supported by your SIM card. When the fixed dialing 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 center
number must be included in the fixed dialing list (network service dependency).
Closed user group — to specify a group of people whom you can call and who can
call you (network service dependency)
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 restriction
password
Code in use — to select whether the PIN code should be active
PIN2 code request — to select whether the PIN2 code is required when using a
specific phone feature which is protected by the PIN2 code. Some SIM cards do
not allow the code request to be turned off.
Authority certificates or User certificates — to view the list of the authority or
user certificates downloaded into your phone. See “Certificates,” p. 74.
Security module sett. — to view Secur. module details, activate Module PIN
request, or change the module PIN and signing PIN. See also “Access codes,” p. 9.
■ Restore factory settings
To reset some of the menu settings to their original values, select Menu >
Settings > Rest. factory sett.. Enter the security code. The names and phone
numbers saved in Phonebook are not deleted.