METHOD, APPARATUS AND SYSTEM FOR CALL FORWARDING WHEN ROAMING FROM A FIRST TYPE NETWORK TO A SECOND TYPE NETWORK IN A COMMUNICATION SYSTEM

摘要

An apparatus, system and method for call forwarding when roaming from a first type network, such as an ANSI-41 cellular network (12), to a second type network, such as a GSM cellular network (10). According to one embodiment of the present invention, a signaling message converter (14) signals an originating MSC (50) in a local communication system (12) to redirect a call when a terminating foreign MSC (18) cannot terminate the call due to predetermined circumstances.