US Patent 7304986 ATM-based distributed network switching system

Patent 7304986 was granted and assigned to AT&T Labs on December, 2007 by the United States Patent and Trademark Office.

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Patent Inventor Names

George Coleman Allen, Jr.0

Haifeng Bi0

Richard Wayne Stephenson0

Samuel Sigarto0

Steven R. Partridge0

Tina Sigarto0

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Patent abstract

A distributed network switching system includes a data network. The system also includes multiple access interworking function (A-IWF) devices each operating as a gateway that enables customer premises devices to directly interface into the data network. The system further includes a centralized control and signaling interworking function (CS-IWF) device that performs call control functions and administrative functions and is adapted to interface narrowband and broadband signaling for call processing and control within the data network.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=073049860

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