1945		The 1945 Public Phone Box: The Prefabricated Barracks Style
	1946		Facsimile telegraph service introduced
	1947		Public Phones at Shimbashi Station Accept Currency
			Post-war model public telephone box appears
	1950		First telecommunications anniversary
			No. 4 Desktop Telephone Set is Developed, Mass Production Begins
	1951		Classified telephone directory published
			A Simplified Public Telephone
	1952		Consigned Public Telephones
			Japan Telephone and Telegraph Corporation (NTT) Founded
	1953		NHK television broadcasts start
			Simplified Phone and Consignment Phones Become "The Red Phone"
			The No. 23 Wall Mounted Automatic Telephone Set
			Coin-Operated Public Telephones
	1954		First Tokyo-Nagoya-Osaka Microwave Transmission
			Telephone Weather '222' Service Begins in Tokyo
			"Red Cap" Style Public Phone Boxes Appear
	1955		No. 5 Automatic Desktop Public Telephone Set
			Correct Time Service (Dial '223') Begins
			Crossbar switching equipment
	1956		Subscriber Telex Service Introduced
	1957		Kinki Railways Inaugurate Public Telephone Service on Express Trains
	1959		Marine Telephone Service Begins
			Crossbar automatic exchange introduced for long distance calls
			The name of the "Personal Telephone Number Directory" was changed to the "Gojyuon"
	1960		The Pink Telephone (Special Simplified Public Telephone Set)
	1962		The Model 600 Telephone Set
	1964		Rural group automatic telephone service started. The beginning of local group telephones
			Comprehensive Communications Museum Opens in Otemachi, Tokyo
	1965		Public telephone service from railway carriages on the Tokaido Shinkansen introduced
			Japan National Railway's "Green Counter" (full introduction of a computer reservation system)
			Tokyo Weather Service Number Changes from '222' to '177.'
	1966		Nationwide microwave network for color television completed
			Large Size Red Public Telephone Set Introduced
	1968		Ten Million Telephone Subscribers Nationwide
			Pager Service Begins in Tokyo's 32 Metropolitan Wards
			Data communication service introduced
			The Large Blue Public Telephone
	1969		Push Button Phones
			Four-Sided Glass Public Phone Booths
			Local Public Calls Cut Off after 3 Minutes
	1970		Call Waiting Service Begins
	1971		New Type "Red Phone" Introduced
	1972		Miniature Pocket Pagers Go On Sale
			The charging structure for local calls was reviewed and time-based (per 3 minutes) charging adopted (wide area time-based system)
			Large Scale Pink Phones
			100 Yen Public Phones
			D10 Electronic Switching Equipment
	1973		Phone Fax Service Begins
			New green telephone appears
	1974		National Meteorological Agency Local Weather Data Transmission System (AMEDASU)Service Inaugurated
			Push-Button Type 100-Yen Public Telephones
	1976		Unit of Charge for Dialed Calls Changes from 7 Yen to 10 Yen
	1978		Subscriber telephone backlog eliminated
	1979		Japan's Telephones Become 100% Automatic
			Car telephone service introduced
			DDX-C Service
	1980		Cordless phones go on sale
			Night-time call discount hours extended and a late night discount introduced
			DDX-P service introduced
	1981		Credit number call service introduced
			Facsimile communications network (F-Net) started
	1982		Dual call service introduced for the Pocket Bell (pager)
			Card Operated Public Telephones Introduced. First Card Phone Placed in Tokyo's Sukiyabashi Park
			D60 Electronic Switching Equipment
	1983		The Tokyo - Chichijima (Ogasawara) satellite link completes the installation of direct dialing for the entire country
			D70 automatic exchange (LS) starts operation
			The "Town Pages" and "Hello Page" nickname were chosen
			No Ring Data Transmission Service
	1984		INS model experiments start
			Captain service introduced
	1985		The 100 Yen Pink Telephone
			The Japan end-to-end optical fiber cable transmission line was completed (Asahikawa - Kagoshima)

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museum@mod.hqs.ntt.jp