Patent ID: 7065372

Claim:
A communication system, comprising: a short message service (SMS) system which is in communication with a private wireless network and a public land mobile network, said short message service system providing a public land mobile network service from the public land mobile network to a mobile station, said short message service system providing a private wireless network service from the private wireless network to the mobile station, said short message service system comprising: a private base station controller for receiving a request for a short message service from the mobile station, said private base station controller performing a routing operation in response to the received request, the routing operation being selected from routing the request to the private wireless network and routing the request to a base station controller of the public land mobile network, the routing operation being selected in dependence upon a destination address of an initial originating message corresponding to the request; and a short message service server connected to said private base station controller and providing the requested short message service to the mobile station when said private base station controller routes the request to the private wireless network; said short message service system further comprising a private base transceiver station for separating the mobile station from said private base station controller, said private base transceiver station receiving the request from the mobile station and transferring the request to said private base station controller.