PBX Phones - Without a PBX?
Channel: Cathode Ray Dude [CRD]
Date: 2019-11-15

These phones promise PBX-style 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

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