Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2008-07-08
2008-07-08
Chan, Wing F. (Department: 2619)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S466000
Reexamination Certificate
active
07397793
ABSTRACT:
A method of relaying calls across a packet network includes receiving an integrated services digital network setup request. The setup request is then translated into packet network form and transmitted across a packet network. A destination device on the packet network interfaces with the destination device through integrated service digital network procedures. A connect message from the destination device on the packet network is then received and translated into an integrated services digital network connection message. The connection message is then transmitted to an integrated services digital network device to establish a connection.
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Spencer Dewey
Urquizo Alex
Chan Wing F.
Cisco Technology Inc.
Duong Duc T
Marger & Johnson & McCollom, P.C.
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