Multiplex communications – Special services – Conferencing
Patent
1996-10-29
1999-11-16
Hsu, Alpus H.
Multiplex communications
Special services
Conferencing
370420, 370524, 348 16, 379 9307, 379246, H04M 342
Patent
active
059870095
ABSTRACT:
A multipoint multichannel connection device for line-connecting communication terminals at multiple points and a central unit through an integrated services digital network which has a function of communicating the number of a source communications terminal as source number information includes a source number information identifying section incorporated in a central unit, which identifies source number information from the integrated services digital network unit process arriving channels for which source number information is recognized as being identical, as arriving channels from the same communications terminal. As a result, the central unit identifies arriving channels from a plurality of communications terminals individually and then processes them without communicating source number information with the communications terminals.
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patent: 5563882 (1996-10-01), Bruno et al.
patent: 5600646 (1997-02-01), Polomski
patent: 5625407 (1997-04-01), Biggs et al.
patent: 5757781 (1998-05-01), Gilman et al.
Helgert, H., Integrated Services Digital Networks, P. 396-399, 1991.
Fujitsu Limited
Hsu Alpus H.
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