This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
You should also see Tell the details. I don't know what you mean by "call the session". The session is an object with methods that can be called but IT can't be called. Please explain what it is that you're trying to do and I'm sure someone here will be glad to help.