/mcpEvent/Call info Result Action Events received at Call Observer on A, B GC1 TermConnDroppedEv A GC1 CallCtlTermConnDroppedEv TA GC1 ConnDisconnectedEv A GC1 CallCtlConnDisconnectedEv A GC1 ConnCreatedEv P2 GC1 ConnInProgressEv P2 GC1 CallCtlConnQueuedEv P2 Step 2 C calls A. A answers. Application invokes CiscoConnection.park() on connection on A for the second call on A. CiscoAddressCallInfo is returned which includes information about number of parked calls getNumParkedCalls() returns 2 Step 3 Application invokes CiscoAddress.getAddress CallInfo( Term A) Application invokes CiscoAddress CallInfo.getNumParkedCalls() Use Case 7: Filter Enabling or Disabling Initial scenario: Application has added Call Observer on A, B. B calls A. A answers. Event/Call info Result Action Events received at Call Observer on A, B GC1 TermConnDroppedEv A GC1 CallCtlTermConnDroppedEv TA GC1 ConnDisconnectedEv A GC1 CallCtlConnDisconnectedEv A GC1 ConnCreatedEv P1 GC1 ConnInProgressEv P1 GC1 CallCtlConnQueuedEv P1 Events received at Address Observer on A No event received as filter is disabled Step 1 Initially filter is disabled. • Application adds AddressObserver on A. • Application now invokes CiscoConnection.park() on connection on A. • Park reversion timer starts Cisco Unified JTAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 1215 Message Sequence Charts Use Case 7: Filter Enabling or Disabling