Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2011-03-15
2011-03-15
Gauthier, Gerald (Department: 2614)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S338000, C370S385000, C370S401000, C379S088170, C358S001150, C455S417000, C455S466000, C455S555000
Reexamination Certificate
active
07907597
ABSTRACT:
An apparatus and method for seamlessly providing voice and data services to a user through an access terminal in a mobile communication system including a heterogeneous service & mobility gateway (HSMG) for an interworking service between a circuit network and a packet network, and various access networks overlapping each other. The access terminal notifies the HSMG that a voice call is received, if the access terminal that accessed a packet network receives a voice call. The HSMG sends a direction request to a circuit network upon receiving the notification indicating that the voice call is received. The access terminal directs to the circuit network and registers a new location upon receiving the direction request. The HSMG sets up an incoming voice call to the access terminal after the registration of a new location.
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Chang Hong-Sung
Jung Je-Hyun
Kim Jin-man
Kim Tae-Won
Lee Sang-Do
Gauthier Gerald
Roylance Abrams Berdo & Goodman LLP
Samsung Electronics Co,. Ltd.
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