Trilateral duplex path conferencing system with broadcast capabi

Details Trilateral duplex path conferencing system with broadcast capabi Trilateral duplex path conferencing system with broadcast capabi

1979-11-21

1981-10-06

Stewart, David L.

Multiplex communications

Wide area network

Packet switching

179 18BC, 179 1B, H04M 356

Patent

active

042939461

ABSTRACT:
A system is disclosed which permits information received from any data terminal or telephone subscriber line at any interface to a digital network to be transmitted to any number of other terminals at any or all of the interfaces to the digital network. The system herein described also permits any terminal at any interface of the digital network to be conferenced, with up to N other terminals at any or all of the interfaces to the digital network where N can be made to depend solely upon the topology and single path transmission delay of the digital network itself. A facility is provided which is independently provisioned at every interface to the digital network and which is independently and concurrently available to any number of combinations of terminals and simplex paths at those interfaces. A broadcast capability is also provided whereby telecommunication information can be simultaneously transmitted from a source terminal to a plurality of destination terminals.

REFERENCES:
patent: 3551600 (1970-12-01), Berch
patent: 3643030 (1972-02-01), Sparrendahl
patent: 4201890 (1980-05-01), Lawrence
patent: 4203001 (1980-05-01), Condon

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