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An Entity of Type : prov:Entity, within Data Space : webisadb.webdatacommons.org associated with source dataset(s)

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  • Using means such as IP PBX and IP Centrex, the VoIP technology exchanges voice, fax, and other forms of information that have traditionally been carried over the dedicated circuit-switched connections of the PSTN. By using the Internet, VoIP calls (in the form of data packets) travel on shared lines, and avoid the tolls of the PSTN system.
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