About: http://webisa.webdatacommons.org/50212338

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	A system configured to deliver wireline messages to terminating stations, such as telephones, using a conventional public switched telephone network (PSTN).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com