About: http://webisa.webdatacommons.org/173917486

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	This invention relates generally to telephony, and more particularly to a method and a system for detecting when a party has been added to a pre-existing telephone call.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au