Nokia 6610

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Copyright
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2003 Nokia. All rights reserved.
Security settings
Note: When security features that restrict calls are in use (call barring, closed user 
group and fixed dialling), calls may be possible to certain emergency numbers in 
some networks (e.g. 112, 911 or other official emergency numbers).
Press 
Menu
, and select 
Settings
 and 
Security settings
. Select
•
PIN code request
 to set the phone to ask for your PIN code every time the 
phone is switched on. Some SIM cards do not allow the PIN code request to be 
turned off.
•
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
. 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.
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