Telephony has revolutionized the best 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 delicate cellular networks and digital communications of immediately, telephony has advanced into a vital component of global connectivity. https://drive.google.com/drive/folders/1z6u8cxVg-4Faks70a7La5x6WY55ZNxkx