About: http://webisa.webdatacommons.org/114943831

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	My view is the easiest thing to do is negotiate 4733 DTMF on all audio streams.
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org