Multipoint/multichannel connection device in integrated services

Multiplex communications – Special services – Conferencing

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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.

REFERENCES:
patent: 5555017 (1996-09-01), Landante et al.
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.

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