CONFERENCE TELEPHONE SYSTEM

PURPOSE:To reduce the number of relay lines occupied with the connection to the conference, by providing a means setting the connection to the conference among subscribers to a relay exchange, in an automatic exchange network. CONSTITUTION:A relay exchange Px is provided with a conference trunk CFT....

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	OOISHI TADAAKI, KOU YASUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
Online-Zugang:	Volltext bestellen
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