Patent ID: 8774805

Claim:
A mobile device comprising: a respective wireless access radio for each of a plurality of RATs (radio access technologies); a mobile device RAT-specific routing information repository, containing respective RAT-specific routing information for each of the plurality of RATs, wherein each RAT-specific routing information in the mobile device RAT-specific routing information repository comprises RAT-specific routing information in order to obtain a service from an application server; a routing information selector configured to select the RAT-specific routing information for a given RAT of the plurality of RATs; the mobile device configured to operate using the selected RAT-specific routing information to obtain the service from the application server, wherein each RAT-specific routing information comprises endpoint information for the application server providing the service; wherein the endpoint information for the application server providing the service comprises an address of the application server and a port of the application server; wherein the RAT-specific routing information repository contains a first RAT-specific routing information and a second RAT-specific routing information for two different RATs, the first RAT-specific routing information and the second RAT-specific routing information both comprising endpoint information to obtain the given service from the given application server; and wherein the endpoint information in the first RAT-specific routing information and the second RAT-specific routing information differ.