Nokia 6680

Page 95
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Tools
95
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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.
Personal unblocking key (PUK) code and PUK2 code—These 
codes (8 digits) are required to change a blocked PIN code 
or PIN2 code, respectively. If the codes are not supplied 
with the SIM card, contact the operator whose SIM card 
is in your phone.
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