/mcpEvent/Call info Result Action Events received at Call Observer on A, B GC2 CallActiveEv GC2 ConnCreatedEv C GC2 ConnConnectedEv C GC2 CallCtlConnInitiatedEv C GC2 TermConnCreatedEv TC GC2 TermConnActiveEv TC GC2 CallCtlTermConnTalkingEv TC GC2 CallCtlConnDialingEv C GC2 CallCtlConnEstablishedEv C GC2 ConnCreatedEv P1 GC2 ConnInProgressEv P1 GC2 CallCtlConnOfferedEv P1 GC1 CiscoCallChangedEv GC2 ConnCreatedEv B GC2 ConnConnectedEv B GC2 CallCtlConnEstablishedEv B GC2 TermConnCreatedEv TB GC2 TermConnActiveEv TB GC2 CallCtlTermConnTalkingEv TB GC2 ConnConnectedEv P1 GC2 CallCtlConnEstablishedEv P1 GC1 ConnDisconnectedEv P1 GC1 CallCtlConnDisconnectedEv P1 GC1 TermConnDroppedEv TB GC1 CallCtlTermConnDroppedEv TB GC1 ConnDisconnectedEv B GC1 CallCtlConnDisconnectedEv B GC1 CallInvalidEv GC2 ConnDisconnectedEv P1 GC2 CallCtlConnDisconnectedEv P1 Step 3b After step 1, application sends unpark request CiscoTerminal.unpark() on Terminal of C. New address event with park state = RETRIEVED is not received at A, since the call is already retrieved Step 4 After step 3, application now adds Address Observer on A. Cisco Unified JTAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 1213 Message Sequence Charts Message Sequence Charts