ATM-based distributed network switching system
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United States of America Patent
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Dec 4, 2007
Grant Date -
Dec 7, 2006
app pub date -
Jul 7, 2006
filing date -
Apr 30, 1998
priority date (Note) -
Expired
status (Latency Note)
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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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