About: http://webisa.webdatacommons.org/20786747

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, the above method of encoding data into a series of DTMF signals, makes it possible to transparently encode data such as calling card number or billing information into a telephone number represented as a series of DTMF signals.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com