Patent ID: 7362730

Claim:
Apparatus for a radio communication system having a first network and at least a second network permitting of mobile-node communications, said apparatus for facilitating dissemination of routing information by which to route data from a mobile node by way of any of the first and at least second networks, said apparatus comprising: a registration request detector adapted to receive indications of a registration request from the mobile node, said registration request detector for detecting values of the registration request; at least a first table accessible at least responsive to detection by said registration request detector of the values of the registration request, said first table containing routing-data entries indexed together with indicia associated with selected values of the registration request; a routing information determiner adapted selectably to receive indications of selected routing-data entries contained in said at least the first table, said routing information determiner, responsive at least in part to the registration request, for determining routing information based at least in part on the routing-data entries, by which the data is to be communicated from the mobile node by way of any of the first and at least second networks.