Licentia Patent-verwaltungs Gmbh

Schneider Form Gmbh

Gerhard Ruopp

Klaus Koeck

Wolfgang Bambach

Frank Mikley

Heinz Klein

In a circuit arrangement for establishing and terminating a connection in a subscriber communication system, the arrangement including a data transmission device arranged to be connected to an associated subscriber line of the system and including a data terminal, a line connection device fed by the terminal, an automatic dialing device, a current supply fed through the subscriber line and a control device for performing and monitoring the sequence of individual operating states of the data transmitting device, a memory unit is connected for storing a representation of at least one operating state of the data transmission device.

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Backnang, Germany

Gerhard Ruopp