UNNECESSARY TELEPHONE CALL COUNTERMEASURE SYSTEM

To provide an unnecessary telephone call countermeasure system that can effectively take measures to an unnecessary telephone call.SOLUTION: In an unnecessary telephone call countermeasure system, call data transmission means 12 transmits voice call data between an opposite party telephone set 2 and...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: MATSUZAKI MASAHIRO, KOBAYASHI SATOSHI
Format: Patent
Sprache:eng ; jpn
Schlagworte:
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