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PBX Phones - Without a PBX?

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Cathode Ray Dude - CRD

These phones promise PBXstyle features: intercom, paging, conferencing without a PBX. How is that possible? A clever way to improve very old technology by applying even older technology!

More info on my research into these can be found here: https://gekk.info/articles/ksuless.html

Support my channel:
  / cathoderaydude  
https://kofi.com/cathoderaydude

posted by gladslytim


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