Multiplex communications – Wide area network – Packet switching
Patent
1990-01-16
1990-11-13
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 581, 370 941, H04J 324
Patent
active
049707213
ABSTRACT:
The invention provides a telecommunications system exhibiting an architecture having a plurality of functional levels decoupled from one another by data transport systems. The communication facilities connected to the periphery of the system are terminated at the physical level only and the data is channelized for transmission through a channel switch to a first level of processing that provides channel services. The data is then multiplexed and transmitted to system and call processing resources via a frame transport system.
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Aczel Andrew L.
Mellor Frank
Munter Ernst A.
Pfeffer Robert W.
Edwards Christopher O.
Northern Telecom Limited
Olms Douglas W.
Turpin F. P.
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