How to interpret particular traces in the Live Meeting Console log

The QUESTION, I was asked recently, what does this trace really mean ? 1939 [MC] 17:59:14:566 GMT [PID 4644] [THREAD 260]  [D] [X-AV] SipAudioVideoSession::OnMediaStreamStateChanged: oldState = 2,newState = 4,direction = 1,reason = 1 ANSWER: Considering Live Meeting Console is based of UCC API 1.0.   The states referred here are described here: http://msdn.microsoft.com/en-us/library/uccapilib.ucc_media_stream_state.aspx   Member name Description…

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