AMERICAN TELEPHONE MILESTONES

1876 - Telephone invented by Alexander Graham Bell 1889 - First public pay phone 1905 - First outdoor phone booth 1915 - Transcontinental service begins 1919 - First dial exchange installed 1925 - Commercial transmission of photographs by telephone 1927 - First transatlantic call 1935 - First round-the-world call, New York to New York 1947 - Transistor invented at Bell Laboratories. 1951 - Direct long-distance dialing introduced 1957 - Laser invented at Bell Laboratories 1962 - First telecommunications satellite, Telstar 1963 - Touch-Tone service introduced 1965 - Electronic central office begins service 1977 - First commercial fiber-optic cable 1982 - AT&T digital switch begins operation SOURCE: AT&T