About: http://webisa.webdatacommons.org/208715016

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	This invention relates to telephone communication systems and more particularly to systems including a keyboard and a display device which can communicate by way of a telephone line.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca