BACKGROUND In recent years, mobile stations have become “must have devices for most
people, in many countries. The communica tions that such devices offer, via wireless mobile
communi cations network, enable users to talk and exchange various types of messages for
business and personal reasons and to access information, all from or while traveling through
any location where a network provides compatible wireless com munication service. In
Support of these activities, mobile stations run many applications for their users, which need …

Disclosed procedures automatically identify a carrier-authorized mobile station and verify an
account related identifier associated with the device, in response to start-up of an application
in the device. Application start-up causes the device to send a request to an application
server, with the device's current IP address, MTN and a device identifier such as MEID or
ESN. The server queries an AAA system of the network to retrieve the MTN that has been
assigned the IP address. If the retrieved MTN matches the MTN passed to the server in the …