The first push-button telephone system was introduced to the public on November 18, 1963. This system, known as the Bell System's Touch-Tone system, was first installed in Carnegie and Greensburg, Pennsylvania, by the American Telephone and Telegraph Company (AT&T).
The push-button telephone replaced the traditional rotary dial with a set of buttons, each representing a different number. The Touch-Tone system allowed for quicker and more convenient dialing, and it eventually became the standard for telephone systems worldwide. This innovation was a significant step forward in telecommunications technology and contributed to the modernization of telephone systems.
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