Telephony has revolutionized the way in which 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 sophisticated mobile networks and digital communications of today, telephony has evolved into a essential part of global https://drive.google.com/drive/folders/1MCc_zW_ZKu53qFH-1lU5ecJBmPwB-l3u