Real-time and non-real-time data multplexing over telephone lines
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United States of America Patent
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Jun 16, 1998
Grant Date -
N/A
app pub date -
Sep 19, 1994
filing date -
Sep 19, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved communication system which allows data, voice, and/or other non-real-time and real-time data streams to be transferred from one station to another over a single telephone line with optimal use of the available bandwidth and with a transparency to data transferring processes such as in computer systems coupled to the station interface devices is disclosed. A local data+voice interface device accepts digital data at a data port, analog voice signals at a voice port, digitizes the voice signals, compresses them, packetizes both the digital data and the digital voice data, identifying for each packet the type of data contained therein, and transmits the packets to a remote data+voice interface device, which separates the packets by their identification, and reconstructs the separate voice and data streams.
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