About: http://webisa.webdatacommons.org/33821800

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	voice call (e.g., a voice/data session, or other communications session with a data component) then a next step 440 begins handshaking to establish the data component of the alternate (second) communications session.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com