Nokia 3109 - Manual (Page 48)

Security
When security features that restrict calls are in use (such
as call barring, closed user group, and fixed dialing),
calls 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 device to ask for your PIN or UPIN code every time
the device 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 device 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 device (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.
• Closed user group — to specify a group of people
whom you can call and who can call you (network
service)
• Security level — Select Phone to set the device to
ask for the security code whenever a new SIM card
is inserted into the device. If you select Memory , the
device 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 device. See
"Certificates," p. 63.
• Security module settings — to view Security
module details , activate Module PIN request , or
change the module PIN and signing PIN. See "Access
codes," p. 10.
Software updates over
the air
Warning: If you install a software update, you
cannot use the device, even to make emergency calls,
until the installation is completed and the device is
restarted. Be sure to back up data before accepting
installation of an update.
Your service provider may send device software
updates over the air directly to your device (network
service). This option may not be available, depending
on your device.
46
Settings
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