Science, asked by abhinavpv858, 7 months ago

what is public switched telephone network

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Answered by Nahilakayadav

0

Answer:

circut switched telephone network

Answered by niteshnp774451

0

The Public Switched Telephone Network (PSTN) is the aggregate of the world's circuit-switched telephone networks that are operated by national, regional, or local telephony operators, providing infrastructure and services for public telecommunication.

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