Telephony has revolutionized the way people talk, shaping human interactions, enterprise operations, and technological advancements. From its early beginnings with Alexander Graham Bell’s invention of the phone in 1876 to the subtle cell networks and digital communications of in the present day, telephony has advanced right into a important element https://docs.google.com/spreadsheets/d/1teK7cKOwO3hL_NuYIG16FWw0aH-u2AvrJ8C9Y6sRxFg/edit