telephone timeline 1876 to 2020 - alexander graham bell first phone : 2024-10-30 telephone timeline 1876 to 2020Learn how the telephone evolved from Bell's invention in 1876 to smartphones and VOIP in 2020. Explore the milestones, inventors, and innovations that shaped the history of telephony.
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telephone timeline 1876 to 2020 The Early Age of Fixed Phones (1876-1920s) The telephone‘s origins hinge more on inventive energy and insight than lone genius. Alexander Graham Bell just . Learn how the telephone evolved from the liquid transmitter to the smartphone in this timeline. Discover the key inventions, innovations and milestones that shaped telephony communications over the decades.
telephone timeline 1876 to 2020
This history of the telephone chronicles the development of the electrical telephone, and includes a brief overview of its predecessors. The first telephone patent was granted to Alexander Graham Bell in 1869.
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telephone timeline 1876 to 2020