About: http://webisa.webdatacommons.org/300695481

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	During the prepaid call, signaling and other messages transmitted by the IP telephony switch 510 are directed through the relay station 502 as indicated by step 610.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com