This is the link which I found that invocations can be done from remote server instance.
you can found some of the server configurations and steps to call a remote server
I think this would be helpful to you
Thanks for the response.
I should have stated I'm using AS 7.2.0.FINAL. I read the article and that explains AS7 to AS7.
Is it possible to invoke an EJB running on AS 5.1.0 from AS 7.2.0?
I have seen articles invoking EJB on AS 5.2.0 from AS7.
Anyone else help out here?