Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Patent
1994-07-07
1997-04-01
Olms, Douglas W.
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
370468, 370495, 375222, 379 97, H04J 312, H04L 1256
Patent
active
056174233
ABSTRACT:
A personal communications system enables the operator to simultaneously transmit voice and data communication to a remote site. The personal communications system is equipped with two telephone line interfaces to allow connection between two remote sites. The connection between the first remote site and the local site may operate in a voice over data communications mode to simultaneously send compressed voice and data. A digital transmission protocol which is consistent with current packet standards is used to create an independent channel through use of a modified supervisory packet for negotiating communication parameters, including the speech compression algorithm, the speech compression ratio, the communication multiplex scheme, and other operations needed for control of remote hardware interfaces.
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Copy of Europ
Davis Jeffrey P.
Gunn Timothy D.
Li Ping
Multi-Tech Systems, Inc.
Nguyen Chau T.
Olms Douglas W.
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