About: http://webisa.webdatacommons.org/83276978

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	Push to Talk or PTT is a commonly used feature especially amongst field workers.
http://www.w3.org/ns/prov#wasQuotedFrom	linkroll.com