06393014 is referenced by 170 patents.
Methods and systems to communicate data to a mobile station. A request to transfer data from an internet Protocol (IP) network to a mobile station ca be received. Whether the mobile station is registered in a first network of a plurality of networks can be determined. The plurality of networks can include the first network operating under a first protocol and a second network operating under a second protocol, and the second protocol can be different than the first protocol. If the mobile station is registered in the first network, the data can be adapted to be transferred via first network and transferred to the mobile station via the first network.