Telephony has revolutionized the way individuals 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 cellular networks and digital communications of in the present day, telephony has evolved into a crucial element of https://drive.google.com/drive/folders/1MCc_zW_ZKu53qFH-1lU5ecJBmPwB-l3u