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Telephony has revolutionized the way folks 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 sophisticated cell networks and digital communications of in the present day, telephony has advanced into a critical part of https://drive.google.com/drive/folders/1MCc_zW_ZKu53qFH-1lU5ecJBmPwB-l3u

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