Security - Siemens S40 User Manual

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66

Security

First
Change PIN2
Enter the Setup menu
Change your PIN2 code (used on
by pressing »MENU«
some SIM cards to access special
Select »Security«
functions).
Entering the Security menu gives
SIM lock
you different possibilities of pre-
Link your telephone and your SIM
venting misuse of your SIM card
card together by activating the SIM
and your telephone, e.g. if your
lock. You will be asked to enter a 6
phone is lost or stolen.
to 16 digit code of your own
choice.
PIN code
This means that if for instance
your phone is stolen, it cannot be
Activate PIN Select whether your
used together with another SIM
PIN code should be on or off. The
card.
PIN code is a 4 to 8 digit code
which must be entered each time
Network password
you switch on your phone.
Change your network password
Change PIN Change your PIN
(used if you subscribe to a call bar-
code.
ring service).
Setup menu
Encryption indication
Get a warning in the display and a
Facts & Tips
sound alarm, if you connect to a
• If you enter an invalid PIN code
network which does not support
three times, your SIM card will be
encryption.
blocked, and to unblock it you have to
enter the PUK code supplied by
Fixed dialling
your network operator. This procedure
prevents unauthorised persons from
Select whether you want the fixed
working out your PIN code by repeat-
dialling function to be on or off
edly entering different combinations
(only available if you have defined
of numbers.
and stored numbers in the fixed
dialling phone book (p. 15).
• For your own sake, remember to
write down your SIM lock code to be
dialling on«, your address book and
able to deactivate the lock at a later
plain numbers phone book will not
time.
You have 10 attempts before
be visible in the display and can
the phone is blocked.
thus not be accessed. Of course,
• The phone will inform you how
they remain in the internal memory
many tries you have left before the
of the phone and on the SIM card,
SIM card is blocked. If you enter an
respectively, and can be accessed
invalid PUK code 10 times, your SIM
again by selecting »Fixed dialling
card will be permanently blocked and
off«.
you have to contact your network
operator.
• Contact your network operator for
further information on PUK2 and PIN2
codes.
Setup menu
Barred dialling
Select whether you want the
barred dialling function to be on or
off (only available if you have
defined and stored numbers in the
barred dialling phone book (p. 16).
If you have selected »Fixed
67
Facts & Tips
• Encryption means that the network
encrypts conversations to make it dif-
ficult for unauthorised persons to lis-
ten in on them.
• Contact your network operator for
further information on PUK2 and PIN2
codes.

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