About: http://webisa.webdatacommons.org/73700959

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	Applications of the generator 341 include dial tone, busy signal, ringing, dial and other signals known in the art Application of the detector is typically limited to dual tone, multi-frequency (DTMF).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com