Patent ID: 8306532

Claim:
A method comprising steps of: at a mobile station having at least two subscriber identities, detecting a signal identifying one or more mobile networks providing wireless communications service in a region of operation of the mobile station; determining the region within which the mobile station is currently operating; selecting a preferred access technology for the region within which the mobile station is currently operating, from among access technologies that the mobile station is configured to selectively utilize; responsive to the detected signal, selecting a preferred mobile network utilizing the selected access technology for establishing wireless communications for the mobile station, from among networks capable of providing wireless communications service to the mobile station; selecting a subscriber identity of the mobile station, from among the at least two subscriber identities of the mobile station, based on the selected network; retrieving a subscriber identifier associated with the mobile station for the selected subscriber identity, from memory of the mobile station; and registering the mobile station for wireless communications, via over-the-air wireless signaling with the selected network, using the retrieved subscriber identifier for the selected subscriber identity of the mobile station, wherein the signal identifying one or more mobile networks includes a System Identifier and Network Identifier (SID/NID) pair used in the step of selecting the mobile network, and wherein the at least two subscriber identities are each represented by a Mobile Directory Number and Mobile Identification Number pair (MDN/MIN pair).