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UM+Avaya integration problem

    Question

  • Hi everybody,

    We tried to set up connection between Exchange 2010 SP1 UM server and Avaya (Avaya CM–5.2.1, Avaya SES–5.2.1-SES-5.2.1.0-016.
    4) using this documents: https://devconnect.avaya.com/public/download/dyn/MSUM-2010.pdf and http://www.microsoft.com/downloads/details.aspx?FamilyID=588E8AD3-45D9-481F-8898-FB39DE19882E&displaylang=en
    After completing all steps described in both documents we have next error in logs on UM server:

    Event 1079, MSExchange Unified Messaging
    The VoIP platform encountered an exception Microsoft.Rtc.Signaling.OperationTimeoutException: This operation has timed out.
       at Microsoft.Rtc.Signaling.SipAsyncResult`1.ThrowIfFailed()
       at Microsoft.Rtc.Signaling.Helper.EndAsyncOperation[T](Object owner, IAsyncResult result)
       at Microsoft.Rtc.Signaling.Helper.EndAsyncOperation[T](Object owner, IAsyncResult result, String operationId)
       at Microsoft.Rtc.Collaboration.Call.EndAccept(IAsyncResult result)
       at Microsoft.Exchange.UM.UcmaPlatform.UcmaCallSession.AcceptCallSessionState.Call_AcceptCompleted(IAsyncResult r)
       at Microsoft.Exchange.UM.UcmaPlatform.UcmaCallSession.SubscriptionHelper.<>c__DisplayClass5f`1.<>c__DisplayClass62.<WrapCallback>b__5e()
       at Microsoft.Exchange.UM.UcmaPlatform.UcmaCallSession.<>c__DisplayClassd.<CatchAndFireOnError>b__9()
       Detected at System.Environment.get_StackTrace()
       at Microsoft.Rtc.Signaling.OperationTimeoutException..ctor(String message)
       at Microsoft.Rtc.Signaling.SipAcceptAsyncResult.TimerItem_Expired(Object sender, EventArgs e)
       at Microsoft.Rtc.Signaling.TimerItem.OnExpired(Object state)
       at Microsoft.Rtc.Signaling.QueueWorkItemState.ExecuteWrappedMethod(WaitCallbackmethod, Object state)
       at System.Threading.ExecutionContext.runTryCode(Object userData)
       at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading._ThreadPoolWaitCallback.PerformWaitCallbackInternal(_ThreadPoolWaitCallback tpWaitCallBack)
       at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback(Object state) during the call with ID "80fc4c62a1d9e114e64eda58df00". This exception occurred at the Microsoft Exchange Speech Engine VoIP platform during an event-based asynchronous operation submitted by the Unified Messaging server. The Unified Messaging server will attempt to recover from this exception. If this warning occurs frequently, contact Microsoft Product Support.

    What can be the problem?
    Monday, July 23, 2012 4:45 AM