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1927 |
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No. 2 Automatic Desktop Telephone Set Introduced |
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Tokyo Metropolitan Public Telephone Booths Change from Hexagonal Red Design to Light-Gray Square Style |
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The No. 3 Large-Scale Common-Battery Intercity Exchange |
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1928 |
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Japan's First Long-Distance Charged Cable Service Begins (between Tokyo and Kobe) |
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1930 |
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Photo-telegraph service introduced (NE-type) |
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1931 |
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Placing of advertisements in the telephone directory starts |
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1933 |
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No. 3 Desktop Telephone Set Completed |
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1934 |
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New Year's Telegram Service Begins |
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1936 |
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Condolence Telegram Service Begins |
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1943 |
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First telephone collection |
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1945 |
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Single number service formally introduced |
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