/mcpCreating Four-Party Conference by Using Click-2-Conference Feature Events Action For A: CONNECTED reason = DIRECT Calling = A, Called = B, Connected = B For B: CONNECTED reason = DIRECT Calling = A, Called = B, Connected = A Use Click-to-Call to create call from A to B For A: CONNECTED reason = DIRECT ExtendedCallReason = DIRECT CONFERENCED Calling = A, Called = B, Connected = B CONFERENCED Calling = A, Called = C, Connected = C For B: CONNECTED reason = DIRECT ExtendedCallReason = DIRECT CONFERENCED Calling = A, Called = B, Connected = A CONFERENCED Calling = C, Called = C, Connected = C For C CONNECTED Reason = DIRECT ExtendedCallReason = ClickToConference CONFERENCED Calling = C, Called = A, Connected = A CONFERENCED Calling = C, Called = B, Connected = B Use Click-2-Conference feature to add C into conference Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 548 Message Sequence Charts Message Sequence Charts