About: http://webisa.webdatacommons.org/128682706

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	Generally, SIP is a protocol for establishing and using multimedia communications.A Back To Back User Agent (B2BUA) may be a logical entity that acts as an intermediary in a SIP call.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com