| http://www.w3.org/ns/prov#value | - Each of the users A-F may participate in a real-time audio conference in which each telephone 36 generates a real time audio data stream P in a packet data format (such as IP), and each user A-F receives all streams PA-PF. The telephones 36 may be IP handsets, wireless phones, traditional phones connected to a computer or other device for converting the standard telephony signal into packet-based
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