About: http://webisa.webdatacommons.org/35149391

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 SN/IP 250 detects the DTMF signals or other selection signals and converts them to numerical data for processing.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com