About: call button

Premodifier: call
Head noun: button

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

Broader concepts

label	provenance	confidence
communication device	isap:391416595	0.786403
button	isap:389705470	0.594254
information	isap:453196394	0.423364

Narrower concepts

label	provenance	confidence