| http://www.w3.org/ns/prov#value | - H.320 is ISDN video conferencing; H.323 is the >video and VoIP widely deployed over ViDeNet today and is used in most >Internet2 schools today; SIP is a protocol that supports video and VoIP >with an emerging following; and support for non-standard protocols allows >users of experimental technologies to be represented in the directory in a >standardized manner.
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