How to implement JMS Remoting that is transactional (even participate in XA)

The Spring remoting model is pretty flexible when it comes to offering a broad set of protocols. However the reference documentation explicitly states that its support of JMS remoting is kind of basic:

Quote:

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"The JMS remoting support in the Spring Framework is pretty basic - it sends and receives on the same thread and in the same non-transactional Session,..."

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I'm currently evaluating the possibility of implementing JMS remoting that can participate in XA transactions.
If anybody has tried this I'd appreciate any helpful comment. Any technical reason why this is not built into the Spring JMS remoting support?

A few posts to this forum indicate that a few have already tried to work on that feature but no clear feedback has been given if any of those have succeeded!