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3:00
YouTube
Nextiva
What is PSTN? History, How It Works, Costs, and VoIP Comparison
🌐 What is PSTN? Dive into the historic journey of PSTN in this vlog, where we explore its evolution into VoIP telephony! 📞🎙️ Step back in time with us as we unravel the mysteries and transformations of the Public Switched Telephone Network. 🔍 In this episode: PSTN Uncovered: Delve into the historic journey of the Public Switched ...
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