/mcpExpected events Action For B: LINE_CALLSTATE param1 = x100, CONNECTED Caller = A, Called = B, Connected = A For C: LINE_CALLSTATE param1 = x100, CONNECTED Caller = A, Called = C, Connected = A For A: Calls go IDLE For B: LINE_CALLSTATE param1 = x100, CONNECTED Caller = A, Called = B, Connected = C For C: LINE_CALLSTATE param1 = x100, CONNECTED Caller = A, Called = C, Connected = B A press "Transfer" to complete transfer Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 995 Message Sequence Charts Message Sequence Charts