About: http://webisa.webdatacommons.org/344040940

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 Call Transfer, Music on Hold, Voicemail, Busy Lamps and correct call handling and termination are required to work fully to meet this certification level.
http://www.w3.org/ns/prov#wasQuotedFrom	voipfone.co.uk