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Any chance you can explain what the PSTN is and why it is important? I tried reading the wikipedia article[1] but I still feel like I don't have enough telecom

Any chance you can explain what the PSTN is and why it is important? I tried reading the wikipedia article[1] but I still feel like I don't have enough telecom domain knowledge to understand it. 1. https://en.wikipedia.org/wiki/Public_switched_telephone_network https://en.wikipedia.org/wiki/Public_switched_telephone_netw...

dboreham 7y ago
If you're still making and receiving phone calls (dialed with numbers, using the dialer on your smart phone, etc), then that's the PSTN you're using.
- Retric 7y ago
  A tiny but growing population is giving up on receiving calls from PSTN systems.
- Aloha 7y ago
  Quite arguably this extends to text messaging too, all rely on the same fundamental systems