Patent ID: 6377807
Filing Date: 2002-04-23
Classification: H04W

Abstract:
A method for serving switching node selection from among a plurality of available addressing identifications of an originating switching node including an ANSI-41 mobile switching center identification number (MSCIN) and an ANSI-41 point code subsystem number (PC-SSN) for use in addressing a message from the serving switching node to the originating switching node, comprising the steps of:detecting a need to send a message from the serving switching node to the originating switching node; selecting an addressing mechanism for the message from the plurality of available addressing identifications in accordance with a hierarchical selection preference, the step of selecting comprising the steps of: first selecting by the serving switching node of the MSCIN over any other available addressing identification if provided, valid and the message is to be sent in an international context; and second selecting by the serving switching node of the PC-SSN over any other available addressing identification if provided, valid and the message is to be sent in a national context; and formatting a message by the serving switching node utilizing the preferentially selected addressing mechanism to address the message for delivery to the originating switching node.