1965
    		• Japan National Railway's "Green Counter" (full introduction of a computer reservation system)
    1968
    		• Data communication service introduced
    1974
    		• National Meteorological Agency Local Weather Data Transmission System (AMEDASU)Service Inaugurated
    1979
    		• DDX-C Service
    1980
    		• DDX-P service introduced
    1981
    		• Facsimile communications network (F-Net) started
    1983
    		• No Ring Data Transmission Service
    1984
    		• Captain service introduced
    1985
    		• Level 2 Packet Switching Service Begins
    1990
    		• INS-P Service (6/1)
    1994
    		• HDTV Video Relay Service Begins
    		• Frame Relay Service Starts
    museum@mod.hqs.ntt.jp