H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/29
H04Q 3/54 (2006.01) H04J 3/12 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 1260124
SUBSCRIBER'S LINE SWITCHING CONTROL SYSTEM ABSTRACT OF THE DISCLOSURE In this invention, a call control information of a subscriber's line is compiled into a packet form, is transferred via a network of a digital switch board to a signal control device, and digital data is also trans- ferred via the network to a handler. Accordingly, a signal from a digital subscriber is efficiently pro- cessed, and an analog subscriber is also accommodated so that a call control in the same way as for the digital subscriber is made possible for the analog subscriber.
523471
Hatano Takashi
Kawato Yutaka
Morita Yoshio
Nara Takashi
Takeichi Hiroaki
Fujitsu Limited
Mcfadden Fincham
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