McDewey

• Phone B and C – Cisco Unified IP Phone 6901 Call info Result Action CiscoAddrInServiceEv – A CiscoAddrInServiceEv – B Application observes A and B. Phone C is not observed. currentCalling = A currentCalled = null CAUSE = CAUSE_NORMAL GC1: CallActiveEv ConnCreatedEv –A ConnConnectedEv – A CallCtlConnInitiatedEv - ATermConnCreatedEv - [Term A] TermConnActiveEv –[Term A] CallCtlTermConnTalkingEv –[Term A]

A initiates 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 and B are connected. GC1: TermConnDroppedEv [Term B] CallCtlTermConnDroppedEv [Term B] ConnDisconnectedEv B CallCtlConnDisconnectedEv B ConnCreatedEv C ConnAlertingEv C CallCtlConnAlertingEv C ConnConnectedEv C CallCtlConnEstablishedEv C B redirect the call to C. C goes off-hook and answers the call. Cisco Unified JTAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 1534 Message Sequence Charts Message Sequence Charts