McDewey

Call info Result Action CiscoAddrInServiceEv – A CiscoAddrInServiceEv - B Application observes A and B. currentCalling = A currentCalled = null CAUSE = CAUSE_NORMAL GC1: CallActiveEv ConnCreatedEv –A ConnConnectedEv – A CallCtlConnInitiatedEv - ATermConnCreatedEv - [Term A] TermConnActiveEv –[Term A] CallCtlTermConnTalkingEv –[Term A]

A intitiates a call to B from the application. currentCalling = A currentCalled = B CAUSE = CAUSE_NORMAL GC1: ConnConnectedEv B CallCtlConnEstablishedEv B TermConnActiveEv [Term B] CallCtlTermConnTalkingEv [Term B] B answers the call and A & B are connected. GC1: CallCtlTermConnHeldEv B B presses hold hardkey from the phone and puts the call on hold. Operation not available in current state. GC1: CallCtlConnTalkingEv [Term B] TermConnDroppedEv [Term B] CallCtlTermConnDroppedEv [Term B] ConnDisconnectedEv B CallCtlConnDisconnectedEv B TermConnDroppedEv [Term A] CallCtlTermConnDroppedEv [Term A] ConnDisconnectedEv A CallCtlConnDisconnectedEv A CallInvalidEv B goes on-hook. B tries to resume the call by pressing the line key from phone. Cisco Unified JTAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 1532 Message Sequence Charts Message Sequence Charts