Importance

Loading Importance Indicators...

Abstract

A system and method to transfer messages between signaling systems in different domains for wireless communication. In one aspect of the invention, a method for communicating between a switch servicing a roaming mobile phone in a domain different than a home switch to which the mobile phone is defined. A signaling gateway is used as an interface between the two domains. The method includes storing in the signaling gateway a mobile identification number (MIN) and the home switch point code that the mobile phone is defined to. When the mobile phone roams into another domain, the switch servicing the roaming mobile phone, the serve switch, identifies the mobile phone as belonging to another domain and sends a message to the signaling gateway. The signaling gateway stores this information and informs the home switch that all messages designated for the serve switch need to be sent to the signaling gateway. The signaling gateway may reformat the message prior to forwarding the message in the event the domains use different messaging protocols.

Loading the Abstract Image...

First Claim