Social Sciences, asked by vivorohit916, 5 hours ago

Expand PSTN? social science class 10

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Answered by MSudarshan

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Answered by kulkarninishant346

Answer:

Explanation:

PSTN stands for public switched telephone network, or the traditional circuit-switched telephone network. PTSN comprises all the switched telephone networks around the world that are operated by local, national or international carriers.

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Expand PSTN? social science class 10 ​

Answers

Expand PSTN? social science class 10