Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2007-12-18
2007-12-18
Tieu, Binh K. (Department: 2614)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C455S414400, C455S466000, C379S088140, C379S088170, C379S100090
Reexamination Certificate
active
10491797
ABSTRACT:
This invention consists of a system permitting to send text messages by Internet and let them arrive in the form of speech directly on the addressee's phone. This system works by means of a central server, where at least one software is installed, which receives the written message, converts it into speech and processes it, so that it can be sent in vocal form on a telephone line. The user receiving the message can also answer it, sending another message to the sender, always using the telephone.
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Rossfrank, “Konstenlose Sprachmitteilungins Festnetz”, Dec. 10, 2000, pp. 1-4, XP002234425, Germany.
Tomasso Cristiano
Vieri Flavio
Vieri Riccardo
Guerra David A.
Tieu Binh K.
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