About: http://webisa.webdatacommons.org/447621315

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	Such a system may for example be capable of operating such that if a person attempts to contact a mobile phone which is unavailable, the switch network can redirect the call to an appropriate service, such as a voice mail service.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com