(3) Section 4 defines a new SDP attribute, referencing RFC 4566 (replaced
by RFC8866), which requires that attributes be registered with IANA, but
this document doesn't appear to do that. RFC8866 specifies 12 fields
required for such a registration, but this document provides only five.
(3) Section 4 defines a new SDP attribute, referencing RFC 4566 (replaced by RFC8866), which requires that attributes be registered with IANA, but this document doesn't appear to do that. RFC8866 specifies 12 fields required for such a registration, but this document provides only five.