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For compatibility with older versions of CXF, the default is to use the February 2005 submission version of RM with the submission version of WS-Addressing. On the client side, you can configure CXF for whichever version of WS-ReliableMessaging you want to use (see Reliable Messaging Configuration Guide, along with the Runtime control properties below). On the provider side, CXF adapts to whichever version of WS-ReliableMessaging is used by the client and responds appropriately.
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