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Discuss the architecture and technologies that make up the PSTN (Public Switched Telephone Network).

Discuss the architecture and technologies that make up the PSTN (Public Switched Telephone Network).

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Expert Solution

PSTN(Public Switched Telephone Network): It's the aggregation of circuit-switching telephone networks that has evolved from the days of Alexander Graham Bell .The PSTN actually furnishes much of the Internet's long-distance infrastructure.

The technologies used in PSTN is:

  • Network Topology
  • Digital Channels
  • Impact On IP channels

One important distinction with the public switched telephone network is that it stands in contrast to private exchange networks. Private branch exchanges and other technologies allowed companies and other parties to create more individual telephone lines that were not represented in the PSTN and public landline architecture.

Today, as smartphones and mobile devices continue to proliferate, wireless telecom networks are taking up market share and PSTN landline technology is diminishing.

PSTN it is also called as "pretty standard telephone network," a tongue-in-check expression referring to its slow speed.

venereology answered 1 year ago
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