CPCP Issue 1: External Lists (Cont.) Issue 2: How to represent them Proposal 1: Use XCAP URI The focus uses the XCAP list URI to fetch the URIs for the members of the external list. It then sends INVITE (in SIP terms) to the members of that external list Proposal 2: The focus sends an INVITE to the list just like any other resource. It may result in a cascaded conference |