SUBSCRIBER MONITOR

PROBLEM TO BE SOLVED: To allow the subscriber monitor that monitors subscriber terminal equipments contained in an exchange system to monitor non-dialing or no reply of subscribers for a long time and to discriminate whether or not other parties than the subscribers themselves use subscriber termina...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	AZUMA SUMIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
Online-Zugang:	Volltext bestellen
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