Problema ao acesssar EJB JBoss de outra máquina

//Usado para buscar um EJB
public static Object getBean(String jndiName) throws NamingException{
	Properties prop = new Properties();  
	prop.put("java.naming.factory.initial","org.jnp.interfaces.NamingContextFactory");  
	prop.put(InitialContext.URL_PKG_PREFIXES,"org.jboss.naming:org.jnp.interfaces");  
	prop.put(InitialContext.PROVIDER_URL, "jnp://ctahq1-1399:1099");
	InitialContext ctx = new InitialContext(prop);
		
	return ctx.lookup(jndiName);
}

public static void main(String[] args){
     UsuarioBO usuarioBO;
		
	try {
		usuarioBO = (UsuarioBO)ServiceLocator.getBean("UsuarioBean/remote");
	} catch (NamingException e) {
		throw new RuntimeException(e);
	}
}

Exception in thread "main" java.lang.RuntimeException: javax.naming.CommunicationException: Could not obtain connection to any of these urls: ctahq1-1399:1099 and discovery failed with error: javax.naming.CommunicationException: Receive timed out [Root exception is java.net.SocketTimeoutException: Receive timed out] [Root exception is javax.naming.CommunicationException: Failed to connect to server ctahq1-1399:1099 [Root exception is javax.naming.ServiceUnavailableException:
Failed to connect to server ctahq1-1399:1099 [Root exception is java.net.Connect
Exception: Connection refused: connect]]]
        at Main.initAppNoLogin(Main.java:43)
        at Main.main(Main.java:60)
Caused by: javax.naming.CommunicationException: Could not obtain connection to any of these urls: ctahq1-1399:1099 and discovery failed with error: javax.naming.CommunicationException: Receive timed out [Root exception is java.net.SocketTimeoutException: Receive timed out] [Root exception is javax.naming.CommunicationException: Failed to connect to server ctahq1-1399:1099 [Root exception is javax.naming.ServiceUnavailableException: Failed to connect to server ctahq1-1399:1099
 [Root exception is java.net.ConnectException: Connection refused: connect]]]
        at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1562)
        at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:634)
        at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:627)
        at javax.naming.InitialContext.lookup(Unknown Source)
        at br.com.gvt.util.ServiceLocator.getBean(ServiceLocator.java:22)
        at Main.initAppNoLogin(Main.java:41)
        ... 1 more
Caused by: javax.naming.CommunicationException: Failed to connect to server ctahq1-1399:1099 [Root exception is javax.naming.ServiceUnavailableException: Failed
 to connect to server ctahq1-1399:1099 [Root exception is java.net.ConnectException: Connection refused: connect]]
        at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:274)
        at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1533)
        ... 6 more
Caused by: javax.naming.ServiceUnavailableException: Failed to connect to server ctahq1-1399:1099 [Root exception is java.net.ConnectException: Connection refused: connect] at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:248)
        ... 7 more
Caused by: java.net.ConnectException: Connection refused: connect at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.PlainSocketImpl.doConnect(Unknown Source)
        at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
        at java.net.PlainSocketImpl.connect(Unknown Source)
        at java.net.SocksSocketImpl.connect(Unknown Source)
        at java.net.Socket.connect(Unknown Source)
        at java.net.Socket.connect(Unknown Source)
        at java.net.Socket.<init>(Unknown Source)
        at java.net.Socket.<init>(Unknown Source)
        at org.jnp.interfaces.TimedSocketFactory.createSocket(TimedSocketFactory.java:84)
        at org.jnp.interfaces.TimedSocketFactory.createSocket(TimedSocketFactory.java:77)
        at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:244)
        ... 7 more