URI urn:ietf:params:xml:ns:pidf Description: This is the XML namespace URI for XML elements defined by [RFC3863] to describe CPP presence information in application/pidf+xml content type. Registrant Contact IETF, IMPP working group, Hiroyasu Sugano, XML BEGIN Namespace for CPP presence information

Namespace for CPP presence information

urn:ietf:params:xml:ns:pidf

See RFC3863.

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