Patent ID: 8254876

Claim:
A system, comprising: a first dispatch communication gateway coupled to a dispatch communication client located in a first network; a second dispatch communication gateway; a centralized location server, coupled to the first dispatch communication gateway and the second dispatch communication gateway, which stores information regarding a location of a subscriber operating the dispatch communication client; and a centralized database, coupled to the first dispatch communication gateway and the second dispatch communication gateway, which stores subscriber registration information for the dispatch communication client, wherein the centralized location server and the centralized database are disposed in a wireless core network that provides the information regarding the location of the subscriber and the subscriber registration information to the first dispatch communication gateway and the second dispatch communication gateway, wherein the first dispatch communication gateway, the centralized location server and the centralized database are components of a second network, the second network being a wireless communication network, wherein the first network is a wireless communication network operating using a different air-interface protocol than that of the second network, and wherein when the first dispatch communication gateway receives a registration request from a dispatch client in the first network, the first dispatch communication gateway sends a registration request to the location server, and the location server obtains registration information from the database.