■ 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.
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.
PIN2 code request
— to select whether the PIN2 code is required when
using a phone feature that is protected by the PIN2 code. 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 barring password is required.
Fixed dialling
— to create, edit, and activate a list of phone numbers or
prefixes. When the list is activated, you can only call or send messages
to the numbers on the list. If the SIM card does not support this option,
Fixed dialling
is hidden.
Closed user group
— to specify a group of people whom you can call and
who can call you (network service)
S e t t i n g s
74
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
Security level
>
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
Code in use
— to select whether the PIN code or UPIN code is active
Authority certificates
or
User certificates
— to view the list of the
authority or user certificates downloaded into your phone. See
“Certificates,” p. 105.
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.