Nokia 2300

Page 48
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Copyright
 © 
2004 Nokia. All rights reserved.
48
Press 
Menu
, select 
Settings
, 
Security settings
 and
•
PIN code request
 to set your phone to ask for the PIN code of the SIM card 
when the phone is switched on. Some SIM cards do not allow this function to 
be turned off.
•
Call barring service
 to restrict the making and receiving of calls with your 
phone. Select one of the barring options and set the option on (
Activate
) or off 
(
Cancel
). Check whether a service is activated by choosing 
Check status
 
(network service).
•
Fixed dialling
 to restrict your outgoing calls to selected phone numbers, if 
allowed by your SIM card.
•
Closed user group
 to specify a group of people whom you can call and who can 
call you (network service).
•
Security level
 and set it to 
Phone
, so that the phone asks for the security code 
at start-up if the SIM card inserted is not the one it last used. Or set it to 
Memory
, so that the security code is requested when you select the phone’s 
internal phone book.
The security code is also required for using some functions, for example, to 
clear the phone book or to restore the factory settings.
Note that when you change the security level, all the recent calls lists 
including 
Missed calls
, 
Received calls
 and 
Dialled numbers
 are cleared.
•
Change of access codes
 to change the security code, PIN code, PIN2 code or 
barring password. These codes can include the numbers 0 to 9 only. Avoid 
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