Method and arrangement for coupling message in central control device with decentralised communications devices

The invention describes a novel private branch exchange and the migration solution with respect to existing devices. Communication connections are established via a transport network, the control takes place in a centralized manner by means of a central control device, which is connected to the dece...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	R. WINDECKER, E.F. KLEIN, S.L. WINKLER
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY SELECTING TELEPHONIC COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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