/mcpExpected events Action For A: Call-1 LINE_CALLSTATE param1 = x100, CONNECTED Caller = A, Called = B Connected B Call-2 LINE_CALLSTATE param1 = x400, HOLD Caller = A, Called = C Connected = C A presses "Cancel" For A' Call-1 LINE_CALLSTATE CONNECTED INACTIVE Caller = A, Called = B Connected = B Call-2 LINE_CALLSTATE param1 = x400, HOLD Caller = A, Called = C Connected = C 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 Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 1007 Message Sequence Charts Message Sequence Charts