Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2006-06-06
2006-06-06
Nguyen, Chau (Department: 2661)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S401000, C370S466000
Reexamination Certificate
active
07058044
ABSTRACT:
The hybrid type telephony system capable of establishing a connection between conventional type telephone sets contained in an exchange unit and LAN type telephone sets contained in an IP network, the system comprising: a gateway circuit connected between the exchange unit and the IP network and performing voice data format conversion, and a central control unit connected to the LAN of the IP network for establishing a communication path to the exchange unit via a control bus, controlling switching of IP packets of the IP network, managing IP address information of the LAN type telephone sets and the gateway circuit via the LAN, and controlling connection between the LAN type telephone sets and connection between the LAN type telephone sets and the gateway circuit.
REFERENCES:
patent: 5438614 (1995-08-01), Rozman et al.
patent: 6069890 (2000-05-01), White et al.
patent: 6154465 (2000-11-01), Pickett
patent: 6233234 (2001-05-01), Curry et al.
patent: 6252952 (2001-06-01), Kung et al.
patent: 6353610 (2002-03-01), Bhattacharya et al.
patent: 6363065 (2002-03-01), Thornton et al.
patent: 6381238 (2002-04-01), Hluchyj
patent: 6400719 (2002-06-01), Chimura et al.
patent: 6453034 (2002-09-01), Donovan et al.
patent: 6570879 (2003-05-01), Kikuchi
patent: 6570976 (2003-05-01), Asada et al.
patent: 6741705 (2004-05-01), Nelson et al.
patent: 6754224 (2004-06-01), Murphy
patent: 6754328 (2004-06-01), Takahashi
patent: 6798767 (2004-09-01), Alexander et al.
patent: 08-111692 (1996-04-01), None
patent: 10-308777 (1998-11-01), None
patent: 11-205831 (1999-07-01), None
patent: 11-331371 (1999-11-01), None
patent: 2000-295645 (2000-10-01), None
Harrity & Snyder L.L.P.
Hyun Soon D.
Juniper Networks, Inc.
Nguyen Chau
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