Asymmetric implementation of DSVD for voice/data internet access
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United States of America Patent
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Jun 7, 2005
Grant Date -
Feb 6, 2003
app pub date -
Nov 5, 1996
filing date -
Nov 5, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Voice and data streams transmitted from a conventional DSVD modem are interfaced directly to a network access server through a modified DSVD modem according to the invention. The voice and data is formatted into network data packets that are then routed directly to different endpoints through the network access server. The modified DSVD modem includes a packet framer that removes conventionally transmitted V.76 DSVD framing formats and stuffs bytes into the voice and data to form network packets. The network access server then routes the voice and data packets to the different endpoints identified in a packet header. Since the voice and data are output from the DSVD modem in data packets, the voice and data can be routed more efficiently to different network endpoints.
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