how many buttons are there on first telephone
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Answer:10
Explanation:
The first touch-tone telephone was the Western Electric model 1500 (see photo), which had 10 buttons. Engineers tested 15 different keypad layouts before settling on the modern configuration with 1 at the top left and 0 in the bottom row
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Answer:
10 buttons
The first touch-tone telephone was the Western Electric model 1500 (see photo), which had 10 buttons. Engineers tested 15 different keypad layouts before settling on the modern configuration with 1 at the top left and 0 in the bottom row
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