@Remote
public interface SpeakerRemote {
	String sayAPhrase( String phrase );
}

@Stateless
public class SpeakerBean implements SpeakerRemote {
	@Override
	public String sayAPhrase( String phrase )	{
		return "Speaker Service:\t" + phrase;
	}
}

public class Invoker {
    public static InitialContext getContext() throws NamingException {
        final Properties properties = new Properties();
        properties.put( Context.INITIAL_CONTEXT_FACTORY,
            "org.jnp.interfaces.NamingContextFactory" );
        properties.put( Context.PROVIDER_URL, "jnp://127.0.0.1:1099" );
        return new InitialContext( properties );
    }
}

public class Main {
    public static void main( String... args ) {
        try {
            InitialContext context = Invoker.getContext();
            SpeakerRemote speaker = ( SpeakerRemote ) context.lookup( "SpeakerBean/remote" );
            System.out.println( speaker.sayAPhrase( "Hello, World!" ) );
        }
        catch ( NamingException e ) {
            e.printStackTrace();
        }
    }
}

import org.jboss.ejb3.annotation.RemoteBinding;  

@Stateless
@RemoteBinding(jndiBinding="SpeakerBean/remote")
public class SpeakerBean implements SpeakerRemote {
    @Override
    public String sayAPhrase( String phrase ){
        return "Speaker Service:\t" + phrase;
    }
}