About: http://webisa.webdatacommons.org/337946585

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A free call is a call offered by a phone service provider (either a landline, GSM or VoIP phone service) for no charge.
http://www.w3.org/ns/prov#wasQuotedFrom	about.com