Patent ID: 6298234
Filing Date: 2001-10-02
Classification: H04W

Abstract:
A method of providing Internet access to a mobile subscriber operating a mobile station in a visited service area served by a serving Mobile Switching Center (MSC) disposed in a radio telecommunications network, said network including a home service node having a Home Location Register (HLR) and a Service Control Point (SCP), comprising the steps of:storing in the home service node, a subscriber service category associated with the mobile station for identifying an Internet Service Provider (ISP);storing at least one routing number for the identified ISP in an ISP database;determining in the serving MSC that the mobile station has initiated an Internet access service;sending a message from the serving MSC to the home service node to invoke the Internet access service, the message including a service trigger for the mobile subscriber, a plurality of digits dialed and a location information portion relating to at least one of the mobile station and the serving MSC's location;determining, in the home service node, the identity of the ISP for the mobile subscriber based on the message;interrogating, by the home service node, the ISP database associated with the ISP to determine a routing number for an ISP server location that is local to the serving MSC; andreturning the routing number to the serving MSC for establishing a trunk connection to the ISP server location.