You can use
> cxf se proxy> cxf bc provider--> external webservices
We also have CxfBcProviderTest which demostrate different scenario when use cxf se
> cxf se proxy> cxf bc provider, you also need take a look.
I was able to invoke external web service with:
CXF SE -> CXF BC provider -> external web service
I followed the documentation for CXF BC provider from the dowloaded FUSE ESB documents: fuse-esb-docs\jbi_cxf\ESBFSFBCIntro.html
I will take a look at below links given by you and may post a question in case I have any queries.
Thanks for your prompt replies, it really helps us going ahead.