Settings
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Internet calls are not possible without the SIP profile and 
SIP settings.
Configurations 
You may receive trusted server settings from your service 
provider in a configuration message. You can save, view, or 
delete these settings in Configurations.
Access point name control 
With access point name control service, you can restrict 
packet data connections and allow your device to use only 
certain packet data access points.
This setting is only available if your SIM card supports the 
access point control service.
To set the control service on or off or to change the 
allowed access points, select Options and the 
corresponding option. To change the options, you need 
your PIN2 code. Contact your service provider for the code.
Applications 
To edit the settings of some of the applications in your 
device, press  , and select Tools > Settings > 
Applications. The settings are also available in each 
application by selecting the settings option.