Patent ID: 7933623

Claim:
A method for dispatch communications, the method comprising the acts of: receiving a dispatch registration request from a dispatch station in a first network, wherein the registration request includes a dispatch station identifier in a format of the first network; registering and authenticating the dispatch station; obtaining at least one alias address of the registered and authenticated dispatch station in a format of a second network associated with the dispatch station whereby communication can be established with the dispatch station from the first network using the dispatch station identifier and from the second network using the at least one alias address; storing the at least one alias address in a dispatch server database logically coupled to the first network and the second network, wherein the first and second networks use incompatible addressing conventions; storing the at least one alias address in a user registration database; forwarding authentication information for a first address of the at least one alias address from the user registration database to the dispatch server database when the dispatch station is registered; receiving an incoming call to a second address of the at least one alias address; and routing the incoming call to the user.