Digital voice and linked networks

Voice carried as data, and repeaters joined over the internet.

D-STARIcom's digital voice and data system.DMRTime-slot digital voice with talk groups.Yaesu System FusionC4FM digital voice.P25 and NXDNPublic-safety-derived digital voice.M17An open-source digital voice protocol.EchoLink, IRLP and AllStarLinking repeaters over the internet.