Ham Radio VoIP and K8JTK Hub: Digital VoIP Multimode Interlink System (DVMIS)
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Make an Amateur Radio VOIP (Echolink) with Raspberry Pi #piday #raspberrypi @Raspberry_Pi « Adafruit Industries – Makers, hackers, artists, designers and engineers!
Hamshack Hotline: How To Setup Your Phone And More! - YouTube