■ Security
When security features that restrict calls are in use (such as call barring,
closed user group, and fixed dialing) calls still may be possible to the
official emergency number programmed into your device.
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S e t t i n g s
69
Select
Menu
>
Settings
>
Security
and one of the following options:
PIN 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 barring service
— to restrict incoming calls to and outgoing calls
from your phone (network service). A password is required.
Fixed dialling
— to restrict your outgoing calls to selected phone
numbers, if this function is supported by your SIM card.
Closed user group
— to specify a group of people whom you can call and
who can call you (network service).
Security level
>
Phone
— the phone asks for the security code whenever
a new SIM card is inserted into the phone. Select
Memory
and the phone
asks for the security code when the SIM card’s memory is selected and
you want to change the memory in use.
Access codes
— to set the PIN code or UPIN code in use, or to change the
security code, PIN code, UPIN code, PIN2 code, and call barring
password.
Code in use
— to select whether the PIN code or UPIN code should be
active.
Authority certificates
or
User certificates
— to view the list of the
authority or user certificates downloaded into your phone. See
“Certificates,” p. 99.
Security module settings
— to view
Security module details
, activate
Module PIN request
, or change the module PIN and signing PIN. See also
“Access codes,” p. 9.