/mcpTAPI structures TAPI messages Action LineSetupConference returns success Original Call on CTI Remote Device[A] : LINE_CALSTATE = CONFERENCE Conference Parent Call on CTI Remote Device[A] : LINE_APPNEWCALL LINE_CALLSTATE -Param1 = OnholdPendingConference Consult Call on CTI Remote Device[A] : LINE_CALLSTATE -Param1 = DIALTONE LINE_CALLSTATE -Param1 = DIALING Calls on Enterprise Phone[B] : Call1 [C ' A]: LINE_CALLSTATE - Param1 = CONNECTED Param2 = 0x02 (Inactive) Call1 [A ' D]: LINE_CALLSTATE - Param1 = CONNECTED Param2 = 0x02 (Inactive) Consult Call on CTI Remote Device[A] : LINE_CALLSTATE -Param1 = PROCEEDING LINE_CALLSTATE -Param1 = RINGBACK Setup Conference and Dial D LineSetupConference() on the call [C ' A1] on Device A LineDial() on Consult call with DN -D Secondary Call on CTI Remote Device: Call1 [A ' D]: LINE_CALLSTATE -Param1 = CONNECTED LINE_CALLSTATE -Param1 = IDLE Answer the Call on Device D Remote Destination and D will be talking/ will have Media connection Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 623 Message Sequence Charts Message Sequence Charts