Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2002-12-02
2011-12-06
Phillips, Hassan (Department: 2467)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S358000, C370S401000, C709S228000
Reexamination Certificate
active
08072965
ABSTRACT:
A network device and a method for its operation are disclosed. The network device has a first interface to a client device to allow reception of client device signals and a second interface to a packet network to allow transmission and reception of modem relay signals. A processor translates between modem relay signals received or transmitted on the second interface and client device signals received or transmitted on the first interface. In one implementation the modem relay originator and the client device are collapsed into one device and the first interface is implemented as a virtual interface.
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Garakani Mehryar Khalili
Grove Vincent Todd
Wildfeuer Herbert Michael
Cisco Technology Inc.
Mais Mark A
Marger & Johnson & McCollom, P.C.
Phillips Hassan
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