About: http://webisa.webdatacommons.org/443010263

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	Existing IP telephony systems allow users to place and receive telephone calls or to send and/or receive other types of communications, such as text messages, SMS messages, MMS messages and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com