About: http://webisa.webdatacommons.org/404671317

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	receiving in the PoC server, a request from a calling PoC client to establish a session with the called PoC client, said request including an indication of which codecs are supported by the calling PoC client for encoding voice signals;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com