01:10:15.585 SEVERE: [20] impl.protocol.sip.CallPeerSipImpl.throwOperationFailedException().2400 Failed to send an OK response to an INVITE request
javax.sip.SipException: Tag mismatch dialogTag is ee986209 responseTag is 1a6f8c51
    at gov.nist.javax.sip.stack.SIPServerTransaction.sendResponse(SIPServerTransaction.java:1454)
    at net.java.sip.communicator.impl.protocol.sip.CallPeerSipImpl.answer(CallPeerSipImpl.java:1342)
    at net.java.sip.communicator.impl.protocol.sip.OperationSetBasicTelephonySipImpl.answerCallPeer(OperationSetBasicTelephonySipImpl.java:1814)
    at net.java.sip.communicator.impl.gui.main.call.CallManager$AnswerCallThread.run(CallManager.java:2063)
01:10:15.586 SEVERE: [20] impl.gui.main.call.CallManager.run().2067 Could not answer noserver-host <noserver-host@192.168.133.1>;status=Disconnected because of the following exception:
net.java.sip.communicator.service.protocol.OperationFailedException: Failed to send an OK response to an INVITE request
    at net.java.sip.communicator.impl.protocol.sip.ProtocolProviderServiceSipImpl.throwOperationFailedException(ProtocolProviderServiceSipImpl.java:2405)
    at net.java.sip.communicator.impl.protocol.sip.CallPeerSipImpl.answer(CallPeerSipImpl.java:1349)
    at net.java.sip.communicator.impl.protocol.sip.OperationSetBasicTelephonySipImpl.answerCallPeer(OperationSetBasicTelephonySipImpl.java:1814)
    at net.java.sip.communicator.impl.gui.main.call.CallManager$AnswerCallThread.run(CallManager.java:2063)
Caused by: javax.sip.SipException: Tag mismatch dialogTag is ee986209 responseTag is 1a6f8c51
    at gov.nist.javax.sip.stack.SIPServerTransaction.sendResponse(SIPServerTransaction.java:1454)
    at net.java.sip.communicator.impl.protocol.sip.CallPeerSipImpl.answer(CallPeerSipImpl.java:1342)
    ... 2 more
01:10:34.106 SEVERE: [25] service.protocol.AbstractProtocolProviderService.fireRegistrationStateChanged().160 An error occurred while executing RegistrationStateChangeListener#registrationStateChanged(RegistrationStateChangeEvent) of net.java.sip.communicator.impl.protocol.sip.OperationSetPresenceSipImpl@104f8eb
java.lang.IllegalArgumentException: invalid transport
    at net.java.sip.communicator.impl.protocol.sip.SipStackSharing.getJainSipProvider(SipStackSharing.java:428)
    at net.java.sip.communicator.impl.protocol.sip.ProtocolProviderServiceSipImpl.getJainSipProvider(ProtocolProviderServiceSipImpl.java:1465)
    at net.java.sip.communicator.impl.protocol.sip.ProtocolProviderServiceSipImpl.getDefaultJainSipProvider(ProtocolProviderServiceSipImpl.java:1829)
    at net.java.sip.communicator.impl.protocol.sip.EventPackageSubscriber.createSubscription(EventPackageSubscriber.java:190)
    at net.java.sip.communicator.impl.protocol.sip.EventPackageSubscriber.subscribe(EventPackageSubscriber.java:938)
    at net.java.sip.communicator.impl.protocol.sip.EventPackageSubscriber.poll(EventPackageSubscriber.java:372)
    at net.java.sip.communicator.impl.protocol.sip.OperationSetPresenceSipImpl.forcePollContact(OperationSetPresenceSipImpl.java:2856)
    at net.java.sip.communicator.impl.protocol.sip.OperationSetPresenceSipImpl.registrationStateChanged(OperationSetPresenceSipImpl.java:3151)
    at net.java.sip.communicator.service.protocol.AbstractProtocolProviderService.fireRegistrationStateChanged(AbstractProtocolProviderService.java:146)
    at net.java.sip.communicator.impl.protocol.sip.SipRegistrarlessConnection.setRegistrationState(SipRegistrarlessConnection.java:129)
    at net.java.sip.communicator.impl.protocol.sip.SipRegistrarlessConnection.register(SipRegistrarlessConnection.java:70)
    at net.java.sip.communicator.impl.protocol.sip.ProtocolProviderServiceSipImpl.registerUsingNextAddress(ProtocolProviderServiceSipImpl.java:2478)
    at net.java.sip.communicator.impl.protocol.sip.ProtocolProviderServiceSipImpl.notifyConnectionFailed(ProtocolProviderServiceSipImpl.java:2529)
    at net.java.sip.communicator.impl.protocol.sip.EventPackageSubscriber.processTimeout(EventPackageSubscriber.java:901)
    at net.java.sip.communicator.impl.protocol.sip.ProtocolProviderServiceSipImpl.processTimeout(ProtocolProviderServiceSipImpl.java:713)
    at net.java.sip.communicator.impl.protocol.sip.SipStackSharing.processTimeout(SipStackSharing.java:752)
    at gov.nist.javax.sip.EventScanner.deliverEvent(EventScanner.java:379)
    at gov.nist.javax.sip.SipProviderImpl.handleEvent(SipProviderImpl.java:196)
    at gov.nist.javax.sip.SipProviderImpl.transactionErrorEvent(SipProviderImpl.java:953)
    at gov.nist.javax.sip.stack.SIPTransaction.raiseErrorEvent(SIPTransaction.java:931)
    at gov.nist.javax.sip.stack.SIPClientTransaction.fireTimeoutTimer(SIPClientTransaction.java:1147)
    at gov.nist.javax.sip.stack.SIPTransaction.fireTimer(SIPTransaction.java:689)
    at gov.nist.javax.sip.stack.SIPClientTransaction$TransactionTimer.runTask(SIPClientTransaction.java:265)
    at gov.nist.javax.sip.stack.timers.DefaultSipTimer$DefaultTimerTask.run(DefaultSipTimer.java:63)
    at java.util.TimerThread.mainLoop(Timer.java:534)
    at java.util.TimerThread.run(Timer.java:484)