Telephony has revolutionized the way individuals communicate, 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 subtle cell networks and digital communications of immediately, telephony has evolved right into a crucial element of worldwide connectivity. https://drive.google.com/drive/folders/1LsG7GELSh90ZTRa2kTzn_NU1fhrEjco0