Telephony has revolutionized the way in which individuals communicate, 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 at present, telephony has advanced right into a essential part https://drive.google.com/drive/folders/1z6u8cxVg-4Faks70a7La5x6WY55ZNxkx