Nokia 5100

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Copyright
 © 
2003 Nokia. All rights reserved.
Call barring service
 (network service) to restrict incoming calls to and outgoing 
calls from your phone. A barring password is required.
Fixed dialling
 to restrict your outgoing calls and text messages to selected 
phone numbers if this function is supported by your SIM card. The PIN2 code is 
required.
When the fixed dialling 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 centre number have to be included on the 
fixed dialling list.
Closed user group
 is a network service that specifies the group of people whom 
you can call and who can call you. For more information contact your network 
operator or service provider.
Security level
. Select 
Phone
 and the phone will ask for the security code 
whenever a new SIM card is inserted into the phone.
Select 
Memory
 and the phone will ask for the security code when SIM card’s 
memory is selected and you want to change the memory in use, (see 
) or copy from one memory to another 
).
Access codes
 to change the security code, PIN code, PIN2 code or barring 
password. Codes can only include numbers from 0 to 9.