About: http://webisa.webdatacommons.org/438255596

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	One embodiment of the present invention is a method for canceling echo during a communication between a first node and a second node, the method includes injecting a secret code to a signal input of the first node.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com