US Patent 7274943 Service subscription in a communication system

A communication system includes a first communication network, a second communication network, a gateway entity, a subscriber entity, and at least one service provider entity. The first communication network services a mobile user equipment in accordance with a first communication protocol. The mobile user equipment is configured to generate a service request containing information regarding a desired service. The second communication network operates in accordance with a second communication protocol. The gateway entity interfaces the first and second communication networks. The subscriber entity connects to the second communication network for generating a service subscription message in accordance with the second communication protocol based on information from the service request. The at least one service provider entity provisions the requested service in response to the service subscription message generated by the subscriber entity.