Cathode Ray Dude [CRD]

PBX Phones - Without a PBX? (2019x6)

Air date: Nov 16, 2019

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