About: private branch exchange pbx

Premodifier: private branch exchange
Head noun: pbx

Same concepts

Broader concepts

label	provenance	confidence
telephone system	isap:214841099	0.742375
private exchange	isap:329577042	0.568528
however	isap:235327005	0.472909
system	isap:214841091	0.423216

Narrower concepts

label	provenance	confidence
telephone	isap:486909597	0.288699