On 9 feb 2008, at 15:38, Richard Shockey wrote: > And this coming from the Standards body that has developed SIP ... > unbelievable. I don't think I'm going to listen to any more > arguments about > IPv6 experiments during Plenary's any more. Gizmo Project uses SIP and has free conference calling: http://gizmoproject.com/conf-calling.html Not sure what the limitations are, though. _______________________________________________ Ietf@xxxxxxxx http://www.ietf.org/mailman/listinfo/ietf