About: http://webisa.webdatacommons.org/47479442

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	Features such as three-way calling, caller ID, audio conferencing, call waiting, return call, and other features are provided in VoIP as standard features and is offered for free.
http://www.w3.org/ns/prov#wasQuotedFrom	skyportal.net