H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/28
H04Q 11/04 (2006.01) H04Q 3/545 (2006.01)
Patent
CA 1298633
VPA 87 P 1360 US ABSTRACT OF THE DISCLOSURE In a telecommunications exchange system, consisting of a central section comprising a central switching network and a central coordination processor, and consisting of line trunk groups which are connected to the switching network via allocatable connection paths and which each comprise a subsidiary switching network and a subsidiary control unit, between the coordination processor on the one hand and each of the subsidiary control units on the other hand, a control channel exists via which the former at all times has access to each of the. latter. With the start-up of an entire exchange system or only of individual line trunk groups, the coordination processor loads the subsidiary control units with items of switching orientated program information and with items of connection state data individually assigned to the individual subsidiary switching network terminals, which can consist of subscriber terminals and connection line terminals. On start-up the items of connection state data are transmitted individually in respect of each subsidiary switching network terminal, and in each case only when an incoming or outgoing connection establishment takes place via the respective subsidiary switching network terminal.
569001
Baur Hans
Bittermann Hans
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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