About: http://webisa.webdatacommons.org/21077526

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	The system according to claim 1, wherein: during the second mode, the audio is a voice message to be stored in a voice mailbox of the DTMF-driven system; and during the first mode, the voice message stored in the voice mailbox can be
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com