Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
1999-12-30
2004-04-27
Ho, Duc (Department: 2665)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S356000, C370S401000, C370S535000
Reexamination Certificate
active
06728239
ABSTRACT:
A cross-reference of related applications are provided at the end of the Detailed Description of Preferred Embodiments section of the present application.
1. Field of the Invention
The present invention relates to communication between users in diverse communication systems, and more particularly, to providing scaleable PBX (Private Branch exchange) for a broadband communication system including an Internet Protocol Telephony Network and public switched telephone network.
2. Background of the Invention
Present day telephony voice networks, have a network built around circuit switches, end offices, a toll network, tandem switches, and twisted wires. These voice networks are referred to as a public switched telephone network (PSTN) or plain old telephone service (POTS). Due to bandwidth limitations of plain old telephone service (POTS), there is an inherent inability to efficiently integrate multiple types of media such as telephony, data communication for personal computers (PC), and television (TV) broadcasts. Accordingly, a new broadband architecture is required. This new architecture gives rise to a new array of user devices and services.
SUMMARY OF THE INVENTION
Aspects of the invention include to providing broadband access capabilities or enhanced services for use in conjunction with a packetized network such as an Internet Protocol (IP) based system infrastructure.
Other aspects of the invention include providing one or more of the following either individually, or in any combination or sub-combination:
a new broadband architecture;
broadband network capabilities, including local access;
enhanced services for use in conjunction with a packetized network such as an Internet Protocol (IP) based system infrastructure. The new broadband architecture may include a scaleable PBX (Private Branch eXchange) using a versatile broadband gateway card (BGC).
The present invention provides for a scaleable PBX for use in a powerful, facilities-based, broadband communications system that guarantees voice, data and video communication reliability and security to users for an multimedia system including integrated telephone, television and data network. The scaleable PBX includes one or more broadband gateways. Each broadband gateway may be provided on a slot card (i.e., broadband gateway card) compatible with servers and personal computers (PC). One or more slot cards may be included in a server to provide PBX feature/function capability to a broadband communication system. The server based broadband gateway PBX is scaleable for any size company or facility using, for example, one or more network servers. Alternatively, the broadband gateway card may be installed in a PC and provide a low cost small business or home PBX system.
REFERENCES:
patent: 4922529 (1990-05-01), Kiel
patent: 4995074 (1991-02-01), Goldman et al.
patent: 5187710 (1993-02-01), Chau et al.
patent: 5253341 (1993-10-01), Rozmanith et al.
patent: 5274700 (1993-12-01), Gechter et al.
patent: 5276731 (1994-01-01), Arbel et al.
patent: 5341425 (1994-08-01), Wasilewski et al.
patent: 5349638 (1994-09-01), Pitroda et al.
patent: 5363431 (1994-11-01), Schull et al.
patent: 5375161 (1994-12-01), Fuller et al.
patent: 5406557 (1995-04-01), Baudoin
patent: 5428608 (1995-06-01), Freeman et al.
patent: 5449970 (1995-09-01), Kumar et al.
patent: 5479411 (1995-12-01), Klein
patent: 5483588 (1996-01-01), Eaton et al.
patent: 5533110 (1996-07-01), Pinard et al.
patent: 5537157 (1996-07-01), Washino et al.
patent: 5546447 (1996-08-01), Skarbo et al.
patent: 5559800 (1996-09-01), Mousseau et al.
patent: 5592529 (1997-01-01), Linsker
patent: 5610910 (1997-03-01), Focsaneanu et al.
patent: 5612997 (1997-03-01), Vallelonga, Sr. et al.
patent: 5615252 (1997-03-01), Sizer, II et al.
patent: 5628005 (1997-05-01), Hurvig
patent: 5629978 (1997-05-01), Blumhardt et al.
patent: 5642348 (1997-06-01), Barzegar et al.
patent: 5652789 (1997-07-01), Miner et al.
patent: 5689501 (1997-11-01), Takase et al.
patent: 5689555 (1997-11-01), Sonnenberg
patent: 5696815 (1997-12-01), Smyk
patent: 5706342 (1998-01-01), Baeder et al.
patent: 5708961 (1998-01-01), Hylton et al.
patent: 5712907 (1998-01-01), Wegner et al.
patent: 5724411 (1998-03-01), Eisdorfer et al.
patent: 5724412 (1998-03-01), Srinivasan
patent: 5737333 (1998-04-01), Civanlar et al.
patent: 5740230 (1998-04-01), Vaudreuil
patent: 5740231 (1998-04-01), Cohn et al.
patent: 5742596 (1998-04-01), Baratz et al.
patent: 5742905 (1998-04-01), Pepe et al.
patent: 5751706 (1998-05-01), Land et al.
patent: 5751760 (1998-05-01), Fuller et al.
patent: 5754775 (1998-05-01), Adamson et al.
patent: 5764752 (1998-06-01), Waite et al.
patent: 5768513 (1998-06-01), Kuthyar et al.
patent: 5784444 (1998-07-01), Snyder et al.
patent: 5790806 (1998-08-01), Koperda
patent: 5793413 (1998-08-01), Hylton et al.
patent: 5796394 (1998-08-01), Wicks et al.
patent: 5796424 (1998-08-01), Ely et al.
patent: 5796952 (1998-08-01), Davis et al.
patent: 5802045 (1998-09-01), Kos et al.
patent: 5802160 (1998-09-01), Kugell et al.
patent: 5805587 (1998-09-01), Norris et al.
patent: 5809128 (1998-09-01), McMullin
patent: 5825829 (1998-10-01), Borazjani et al.
patent: 5825862 (1998-10-01), Voit et al.
patent: 5850340 (1998-12-01), York
patent: 5850429 (1998-12-01), Joyce et al.
patent: 5859902 (1999-01-01), Freedman
patent: 5867495 (1999-02-01), Elliott et al.
patent: 5870565 (1999-02-01), Glitho
patent: 5883677 (1999-03-01), Hofmann
patent: 5883942 (1999-03-01), Lim et al.
patent: 5887259 (1999-03-01), Zicker et al.
patent: 5894504 (1999-04-01), Alfred et al.
patent: 5896444 (1999-04-01), Perlman et al.
patent: 5898668 (1999-04-01), Shaffer
patent: 5898780 (1999-04-01), Liu et al.
patent: 5907598 (1999-05-01), Mandalia et al.
patent: 5907604 (1999-05-01), Hsu
patent: 5912962 (1999-06-01), Bosco
patent: 5916302 (1999-06-01), Dunn et al.
patent: 5917624 (1999-06-01), Wagner
patent: 5920705 (1999-07-01), Lyon et al.
patent: 5923731 (1999-07-01), McClure
patent: 5928335 (1999-07-01), Morita
patent: 5946381 (1999-08-01), Danne et al.
patent: 5946386 (1999-08-01), Rogers et al.
patent: 5956717 (1999-09-01), Kraay et al.
patent: 5970072 (1999-10-01), Gammenthaler, Jr. et al.
patent: 5978470 (1999-11-01), Shaffer et al.
patent: 5987100 (1999-11-01), Fortman et al.
patent: 5987508 (1999-11-01), Agraharam et al.
patent: 5999525 (1999-12-01), Krishnaswamy et al.
patent: 5999602 (1999-12-01), Yang et al.
patent: 5999612 (1999-12-01), Dunn et al.
patent: 6005861 (1999-12-01), Humpleman
patent: 6006253 (1999-12-01), Kumar et al.
patent: 6011909 (2000-01-01), Newlin et al.
patent: 6023724 (2000-02-01), Bhatia et al.
patent: 6028848 (2000-02-01), Bhatia et al.
patent: 6031896 (2000-02-01), Gardell et al.
patent: 6031899 (2000-02-01), Wu
patent: 6038233 (2000-03-01), Hamamoto et al.
patent: 6052444 (2000-04-01), Ferry et al.
patent: 6052725 (2000-04-01), McCann et al.
patent: 6061434 (2000-05-01), Corbett
patent: 6084892 (2000-07-01), Shinohara
patent: 6101246 (2000-08-01), Heinmiller et al.
patent: 6104704 (2000-08-01), Buhler et al.
patent: 6104800 (2000-08-01), Benson
patent: 6108330 (2000-08-01), Bhatia et al.
patent: 6115393 (2000-09-01), Engel et al.
patent: 6118432 (2000-09-01), Kotorov et al.
patent: 6118768 (2000-09-01), Bhatia et al.
patent: 6118784 (2000-09-01), Tsuchiya et al.
patent: 6122357 (2000-09-01), Farris et al.
patent: 6128304 (2000-10-01), Gardell et al.
patent: 6137870 (2000-10-01), Scherer
patent: 6144401 (2000-11-01), Casemant et al.
patent: 6154531 (2000-11-01), Clapper
patent: 6160880 (2000-12-01), Allen
patent: 6163531 (2000-12-01), Kumar
patent: 6167043 (2000-12-01), Frantz
patent: 6185288 (2001-02-01), Wong
patent: 6188756 (2001-02-01), Mashinsky
patent: 6192116 (2001-02-01), Mayak
patent: 6229887 (2001-05-01), Albers et al.
patent: 6233235 (2001-05-01), Burke et al.
patent: 6233313 (2001-05-01), Farris et al.
patent: 6243388 (2001-06-01), Mussman et al.
patent: 6262979 (2001-07-01), Anderson et al.
patent: 6263065 (2001-07-01), Durinovic-Johri et al.
patent: 6263503 (2001-07-01), Margulis
patent: 6266405 (2001-07-01)
Kung Fen-Chung
Walker Hopeton
Wang Spencer
AT&T Corp.
Ho Duc
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