About: http://webisa.webdatacommons.org/261850570

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	The analog signals such as ringing signals, dial tone, busy are passed through the interface module 18 on analog audio bus 64.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com