Public switched telephone network/en: Revision history

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27 April 2023

14 February 2023

  • curprev 12:5912:59, 14 February 2023‎ Toptiuser talk contribs‎ 246 bytes +246‎ Created page with "=== Public switched telephone network (PSTN) === Public switched telephone network is the international telephone system of interconnected voice-oriented public telephone networks. [[Category:Term{{Langcat|Public switched telephone network}}]]"
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