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