Telephony and Videotelephony [ <<< Technology - Hardware ] [ Television >>> ] Ramesh Jain "The MPI (multiple perspective interactive video)" (Monaco, IMAGINA, 20-02-1997) Philippe Queau "The digital revolution" (Rome, 15/12/1995) Giuseppe Richeri "The history of the media" (Florence, 06/01/96) Peter Sommerer "Voice transmission via the Internet" (Rome, 06/12/1996)