■ 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 specific phone feature which 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 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.
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S e t t i n g s
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Closed user group
— to specify a group of people whom you can call and
who can call you (network service)
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, UPIN code, PIN2
code, or 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. 77.
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.