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 phone in 1876 to the subtle cellular networks and digital communications of right now, telephony has advanced right into a important part https://docs.google.com/presentation/d/1tTf-gH7g9cCmgvLRO5weQAOh2xFzm8etJBmkGITGNEw/edit