About: http://webisa.webdatacommons.org/62102537

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	Thus, it is not practical to send signals, other than existing signals, back and forth between the station set and the central processor in order to determine the status of the telephone set.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es