Hackaday (unofficial) November 23, 2022 10:00pm How to Build Your Own Analog Phone Network #phonehacks #dtmf #rs485 #slic #telephoneexchange #hackaday posted by pod_feeder_v2 How To Build Your Own Analog Phone Network Analog phones may be nearly obsolete today, but having served humanity for well over a century they’re quite likely to pop up in drawers or attics now and then. If you’ve got a few of t…
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