About: http://webisa.webdatacommons.org/392332784

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	Session Initiation Protocol (SIP), RFC 3261, is a signaling protocol used for internet voice and video calls, and other communication.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com