Patent ID: 8112117

Claim:
A communication apparatus operating with at least one radio transceiver module, a first subscriber identity card and a second subscriber identity card, wherein the first subscriber identity card camps on a first cell belonging to a first wireless network via the one radio transceiver module and stores a plurality of first contact entries each comprising a destination address, and the second subscriber identity card camps on a second cell belonging to a second wireless network via the same radio transceiver module as or a different radio transceiver module from in use by the first subscriber identity card and stores a plurality of second contact entries each comprising a destination address, comprising: processor logic coupled to the first subscriber identity card, the second subscriber identity card and the radio transceiver module, receiving an apparatus originated communication request with a destination address; processor logic determining whether the received destination address is currently stored in one of the first contact entries of the first subscriber identity card or one of the second contact entries of the second subscriber identity card; and processor logic transmitting the apparatus originated communication request to the cell that the determined subscriber identity card camps on to establish a wireless communication with a peer device associated with the received destination address.