Message waiting adjunct device

A telephone adjunct interface for use with a network-based voice and/or data message storage and delivery service detects and alerts the subscriber to the existence of waiting messages. The interface device utilizes a combination of AC ring detection and outcall polling of the network to determine w...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BOSSI, BURT JOSEPH, HEWITT, WILLIAM ALAN, HOSKINS, STEPHEN DALE
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
Online-Zugang:	Volltext bestellen
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