PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • central office, the present invention provides acontinuous tone through the service logic program and service switching point connection.Therefore, the present invention is a system and method for providing a continuous tone source to a call that has been placed on hold.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patentgenius.com