What Is PSTN? - Lifewire
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WEBJun 1, 2021 · PSTN is the network of the familiar, but vanishing, landline phone. By. Nadeem Unuth. Updated on June 1, 2021. The Public Switched Telephone Network (PSTN), also known as POTS (Plain Old Telephone System), is used for the landline telephone system. PSTN was created primarily for analog voice communication over cables that covered …
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