/mcpChaining Two Ad Hoc Conferences Using Join TSP CallInfo Actions At A: GCID-1 CONNECTED : Caller = Unknown Caller = Unknown CONFERENCED : Caller = A Called = B CONFERENCED : Caller = A Called = C At B: GCID-1 CONNECTED : Caller = Unknown Caller = Unknown CONFERENCED : Caller = A Called = B CONFERENCED : Caller = B Called = C At C: GCID-1 CONNECTED : Caller = Unknown Caller = Unknown CONFERENCED : Caller = B Called = C CONFERENCED : Caller = C Called = A A calls B, B answers, then B initiates conference to C, C answers, and B completes the conference Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 557 Message Sequence Charts Chaining Two Ad Hoc Conferences Using Join