one-way invocations

From: Guadalupe Ortiz <>
Date: Sun, 20 Feb 2005 14:36:37 +0100

I know how a a client can do a one -way invocation to a service in JAXRPC.
But, what about if I want the client to receive a message for other service
which he has not invoked. Is it possible? How the client expects the answer?
How the remote service sends the this answer?
Any help is grateful,