About: http://webisa.webdatacommons.org/52029503

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 system has a form of call waiting in which it first plays a short tone that can be heard by both the subscriber and the party he is talking to and then it plays the name of the incaller, using the caller's spoken self identification.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr