Telephony has revolutionized the way people communicate, shaping human interactions, business operations, and technological advancements. From its early beginnings with Alexander Graham Bell’s invention of the phone in 1876 to the sophisticated mobile networks and digital communications of in the present day, telephony has advanced into a important element of https://docs.google.com/presentation/d/1tTf-gH7g9cCmgvLRO5weQAOh2xFzm8etJBmkGITGNEw/edit