Telephony has revolutionized the best way 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 subtle mobile networks and digital communications of at the moment, telephony has evolved into a critical component of https://docs.google.com/spreadsheets/d/1teK7cKOwO3hL_NuYIG16FWw0aH-u2AvrJ8C9Y6sRxFg/edit