About: voip call

Premodifier: voip
Head noun: call

Same concepts
http://dbpedia.org/resource/Voice_over_IP

Broader concepts

label	provenance	confidence
online activity	isap:461346059	0.713988
communication	isap:41306902	0.658663
communication session	isap:6375146	0.618146
internet connection	isap:187889021	0.516716
function	isap:455307768	0.490458
system	isap:310384041	0.482674
call	isap:171953563	0.432067
datum	isap:95532864	0.212417

Narrower concepts

label	provenance	confidence
call	isap:171953018	0.555449
skype	isap:193995717	0.547084