About: http://webisa.webdatacommons.org/424366177

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	EchoLink also supports full DTMF remote control over a dial-up telephone line, if a dedicated line is available.Is EchoLink available for any platform other than Windows?
http://www.w3.org/ns/prov#wasQuotedFrom	echolink.org