Patent ID: 7756513

Claim:
A method of communicating using a sub-network, interconnect device and a network as a backbone within a communications system, comprising: receiving a request for information at the interconnect device from a wireless communications device to communicate with the interconnect device, the interconnect device interconnects the wireless communications device to the sub-network; transmitting the request for information from the wireless communications device to the network, the network including terrestrial communications and being connected to a public safety agency network; receiving the requested information at the sub-network from the public safety agency network over the network in response to the transmitted request for information; and transmitting the requested information back to the wireless communications device through the interconnect device, wherein the network is a fully meshed, geographically diverse, four node Internet Protocol and Asynchronous Transmission Mode network, the interconnect device is connected to mobile radio communications, satellite communications, cellular communications and 802.11b wireless communications, and the mobile radio communications, satellite communications, cellular communications and 802.11b wireless communications are connected to a remote interconnect device installed in an automobile so that the sub-network can receive the request for information from the wireless communications device in the automobile using a land mobile radio while the automobile is in motion.