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Fixed dialling—You can restrict calls and text messages
from your phone to selected phone numbers, if supported
by your SIM card. You need the PIN2 code for this function.
To view the list of fixed dialling numbers, press , and
select Tools > Settings > Security > Phone and SIM >
Fixed dialling. To add new numbers to the fixed dialling
list, select Options > New contact or Add from Contacts.
When you use Fixed dialling, packet data connections are
not possible, except when sending text messages over a
packet data connection. In this case, the message centre
number and the recipient’s phone number must be
included on the fixed dialling list.
Options in the Fixed dialling view are Open, Call,
Activ. fixed dialling/Deact. fixed dialling, New contact,
Edit, Delete, Add to Contacts, Add from Contacts, Find,
Mark/Unmark, Help, and Exit.
Note: When security features that restrict calls are
in use (such as Call barring, Closed user group,
and Fixed dialling) calls still may be possible to the
official emergency numbers programmed into your
phone.
Closed user group (network service)—You can specify a
group of people to whom you can call and who can call
you.
Confirm SIM services (network service)—You can set the
phone to display confirmation messages when you are
using a SIM card service.
Glossary of PIN and lock codes
Personal identification number (PIN) code—This code
protects your SIM card against unauthorised use. The PIN
code (4 to 8 digits) is usually supplied with the SIM card.
After three consecutive incorrect PIN code entries, the PIN
code is blocked, and you need to unblock it before you can
use the SIM card again. See the information about the PUK
code in this section.
UPIN code—This code may be supplied with the USIM card.
The USIM card is an enhanced version of the SIM card and
is supported by UMTS mobile phones. The UPIN code
protects the USIM card against unauthorised use.
PIN2 code—This code (4 to 8 digits) is supplied with some
SIM cards, and is required to access some functions in your
phone.
Lock code—This code (5 digits) can be used to lock the
phone to avoid unauthorised use. The factory setting for
the lock code is 12345. To avoid unauthorised use of your
phone, change the lock code. Keep the new code secret and
in a safe place separate from your phone.