TELEPHONE EXCHANGER

PURPOSE:To realize a conference call between >=3 subscribers, by connecting a conference trunk with a relay provided with a plurality of outgoing registers, in a telephone exchanger using a microcomputer for the maker. CONSTITUTION:Numbers of three subscribers belonging to the same group are regi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ISHIZAKI JIYUNYA, KUNIDA TSUTOMU, MATSUI TAROU
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
Online-Zugang:	Volltext bestellen
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