About: http://webisa.webdatacommons.org/48895403

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	If, CNG tones are not detected, an attempt is made to determine if the call is a voice call or an attempt to establish a modem connection.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com