TELEPHONE ADAPTER

PROBLEM TO BE SOLVED: To provide a telephone adapter capable of making a apparatus appropriately recognize faults occurred in a line, wherein the apparatus should recognize the faults. SOLUTION: The telephone adapter is connected at ISDN lines which couples a central office side exchange to a privat...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MIZOGUCHI SEIJI
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
Online-Zugang:	Volltext bestellen
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