About: http://webisa.webdatacommons.org/21087868

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	This interaction is explained in the call flows of FIGS. 4 and 5, in the context of FIG. 2A. FIG. 4 is a diagram of an exemplary Session Initiation Protocol (SIP)-to-SIP call flow, according to an embodiment of the present invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com