About: http://webisa.webdatacommons.org/147385706

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 switching function may be provided by a PBX, central office equipment or other analog or digital switching equipment.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com