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 phone in 1876 to the sophisticated cell networks and digital communications of as we speak, telephony has evolved into a important part of https://drive.google.com/drive/folders/1z6u8cxVg-4Faks70a7La5x6WY55ZNxkx