/mcpExpected events Action For C: Conference – Caller = B1, Called = C, Connected = B1 Connected Conference – Caller = C, Called = A, Connected = A For A: B2 calls D, D answers Conference – Caller = A, Called = B1, Connected = B1 Connected Conference – Caller = A, Called = C, Connected = C For B1: Conference – Caller = A, Called = B1, Connected = A OnHold Conference – Caller = B1, Called = C, Connected = C For B2: Connected -Caller = B2, Called = D, Connected = D For C: Conference – Caller = B1, Called = C, Connected = B1 Connected Conference – Caller = C, Called = A, Connected = A Connected -Caller = B2, Called = D, Connected = B2 For A: B1 issues a lineDevSpecific(SLDST_JOIN) to join the calls on B1 and B2. Conference – Caller = A, Called = B1, Connected = B1 Connected Conference – Caller = A, Called = C, Connected = C Conference – Caller = A, Called = D, Connected = D For B1: Conference – Caller = A, Called = B1, Connected = B1 Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 878 Message Sequence Charts Message Sequence Charts