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The First Telephone
Alexander Graham Bell was the first person to invent and patent the telephone. He beat Elisha Gray by a matter of hours.
https://storymaps.arcgis.com/stories/4efb3d13b5f14f6c9bf63774b23373c7 -
Candle-Stick Telephone
Bell introduced the first upright desk top telephone called "desk stand" or "candlestick" telephone. Candlestick telephones featured a mouth piece (transmitter) mounted at the top of the stand, and a receiver (ear phone) that was held by the user to the ear during a call.
http://oldtelephones.com/the-history/ -
The Rotary Road
In 1919 the American Bell Telephone Company began national service for user controlled rotary dial phones. The standard form of the rotary dial is a disk three inches in diameter with 10 holes, numbered in one of four forms 1-9 then 0, 0-9, 9-0 or 0 then 9-1. Despite the different numberings, when the first number was dialed, 1 pulse was sent and when the last number was dialed, 10 pulses.
https://www.techwalla.com/articles/history-of-the-rotary-phone -
Touch Tone Telephone
John E. Karlin who worked at the bell system was the one to invent the Touch tone telephone. The Bell System introduced the first electronic push-button telephone system with touch-tone dialing to customers in Pennsylvania on November 18, 1963. Using dual-tone multi-frequency (DTMF) technology provided “touch-tone” service that would become the worldwide standard for telecommunication signaling.
https://historyofinformation.com/detail.php?entryid=1031 -
First Handheld Telephone
Marty Cooper employee for Motorola was the first person to create the first handheld telephone. It weighed 28 ounces (790 g) and was 10 inches (25 cm) high, not including its flexible "rubber duck" whip antenna.
https://interestingengineering.com/the-history-behind-the-invention-of-the-first-cell-phone