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Public Switched Telephone Network (PSTN)

Public Switched Telephone Network (PSTN) is the network of the world’s public circuit-switched telephone networks. In short, this is what allows any telephone in the world to communicate with any other telephone.




Where We Talk About PSTN

On our site

  • Bandwidth Voice Services
  • Call 9-1-1: Emergency Service Industry Trailing Behind the IP Transition
  • Reality Check: Dissecting the FCC’s Guiding Principles in an IP World
  • In our downloads

  • Telecom Regulation for IP-Based Providers
  • The History of Telecom and How CPaaS Was Born





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    “Bandwidth” refers to Bandwidth Inc. and/or CLEC, LLC.