Gentoo Packages

app-misc/homeassistant-full: enables users to talk to Assist using an analog phone and a VoIP adapter
games-fps/urbanterror: Use ioq3 ingame VoIP (experimental)
net-im/nheko: Enable audio calls

Warning: USE flag 'voip' is used in ebuilds/metadata but is not defined in profiles/use.desc

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
app-misc/homeassistant-full	enables users to talk to Assist using an analog phone and a VoIP adapter	Voice over IP integration
games-fps/urbanterror	Use ioq3 ingame VoIP (experimental)	Use ioq3 ingame VoIP (experimental)
games-fps/iortcw	-	Add in-game voip support
net-im/nheko	Enable audio calls	Enable audio calls
dev-lua/tdlua	-	Enable VoIP functionality (calls)
pentoo/pentoo	-	Pull in pentoo metapackage pentoo-voip

USE Flag: voip