Real-time and non-real-time data multplexing over telephone line

Details Real-time and non-real-time data multplexing over telephone line Real-time and non-real-time data multplexing over telephone line

1994-09-19

1998-06-16

Woo, Stella

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

379 9309, 370418, H04M 1100

Patent

active

057683506

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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patent: 5502727 (1996-03-01), Catanzaro et al.
"DataPort 2001--Mutimedia Communicator with VoiceSpan", AT&T Paradyne BBS, 3730-A2-GZ41-00. Issue 1, Oct. 1993, pp. 1-14.
"VoiceView: A New Protocol for Integrated Voice & Data Applications", AT&T Radish, Protocol 294, pp. 1-11.

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