H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/16 (2006.01) H04M 3/42 (2006.01) H04M 11/06 (2006.01)
Patent
CA 2302127
A system that provides additional voice lines with data over a single two-wire subscriber loop. At the subscriber premise, one or more telephone instruments and data devices are connected to a digital modem into either a voice or a data interface. Analog voice signals are PCM sampled then packetized, and voice and data packets are transmitted to a CO modem over the subscriber loop. The CO modem depacketizes the voice packets into PCM format and transmits PCM voice information to a CO switch over a standard digital trunk interface. Data packets are routed to a data network. Voice packets are given transmission priority over data packets to ensures that voice is transported in the presence of data with low latency.
Brown Randall L.
Buege Thomas J.
Hoff James
Mcdonald Keith M.
Pawlowski Christopher A.
Ag Communication Systems Corporation
R. William Wray & Associates
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