About: http://webisa.webdatacommons.org/440822833

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	The call processing system 704 could then instruct a switching system to perform the operation, including the operation of initiating a voice session to accompany or replace a pre-existing graphical session.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com