About: http://webisa.webdatacommons.org/311159621

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, talk-off may be especially troublesome for DTMF signalling occurring during a telephone call, when voice, music or other signals are likely to be present.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr