About: http://webisa.webdatacommons.org/384322002

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 circuit of claim 2, wherein said signals other than said signals indicative of said incoming communication are one of the group consisting of calling tone signals and dual-tone multifrequency (DTMF) signals.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com