Lync 2013 Monitoring Server - Database reporting

Hi there, 
Im a business intelligence professional rather than a Lync professional so excuse me if my question may show niavete or a clear lack of experience, both would probably be correct.
The basic question is, how does Lync record the relationship between a call being received and the call that is transferred.
Effectively I am looking to see how the monitoring server applies a unique record to a call. This looks like the SessionIdTime field. I also deduce that the 'ReplacesDialogueId' field is used to record when a call effectively replaces another one, and I
have formed a self join on the SessionDetailsView to track a calls progress.
Im struggling though when this relationship is not there. So for example, when a call comes in and is answered by a receptionist, we have the initial call entering the queue, with the call being answered by Reception having a replacedialogId that replaces
the call coming into the queue. Lets say that the receptionist then calls a director to see if they are available, and then transfers the call. There is a relationship between the call being made to the director, and the caller speaking to the director with
the dialogId and replacedialogid fields, though there is no relationship between the receptionist taking the call, and the receptionist calling the director and putting the call through.
Again, please forgive my noobie questions. In summary, how does Lync record the relationship between a call being received and a transferred call.

They are sparse, many of us have written custom reports but I forget what I've done as soon as I've done it.  The Lync 2013 CDR Database Schema is available here:
http://technet.microsoft.com/en-us/library/gg398570.aspx 
Typically what I do is just dig in and make test case calls, export the query results to something easy to work with like Excel and reverse engineer what I need for my reports.  Watch the CorrelationID and anything else you can line up. 
I'm not aware of any great guides that walk you though this unfortunately. 
Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question please click "Mark As Answer".
SWC Unified Communications

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    SWC Unified Communications
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    Eason Huang
    TechNet Community Support

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