About: http://webisa.webdatacommons.org/45889039

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	Call ring signals are not passed to handsets or other devices which generate an audible indication of the incoming call until the origin of the call is validated.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com