Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Patent
1995-07-10
1999-03-09
Hsu, Alpus H.
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
370389, 370434, 379157, 379165, 379269, H04M 342, H04Q 520
Patent
active
058810625
ABSTRACT:
In an incoming call communication service using key groups to be hunted provided through a switching system, there is provided a master terminal for a group formed of a plurality of slave terminals and a call to the master terminal is connected to a call-acceptable slave terminal in the group. In this case, certain slave terminals in the group are concentrated with the other certain slave terminals without canceling the communication links at slave terminals in terminating connection. The state of use of slave terminals after slave terminal concentration is notified to the master terminal.
REFERENCES:
patent: 4686669 (1987-08-01), Chang
patent: 4689815 (1987-08-01), Grewal et al.
patent: 4694487 (1987-09-01), Chang et al.
patent: 4720854 (1988-01-01), Sand
patent: 4791662 (1988-12-01), Ahnen et al.
Katafuchi Sunao
Nishiyama Naoto
Fujitsu Limited
Hsu Alpus H.
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