About: http://webisa.webdatacommons.org/14380444

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 present invention is a system and method for obtaining the telephone status (on-hook/off-hook) of a called party's telephone over a network external to the location of the called party's telephone, such as the Internet.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es