About: http://webisa.webdatacommons.org/113309209

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	The ring back is provided during the wait time when the called party's communications device is ringing, vibrating, or otherwise alerting to an incoming telephone call, email, or other communication.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com