{
Call call = message.getHeader().getCall();
Collection<EPR> eprs = RegistryUtil.getEprs(category, name);
if (null==eprs || eprs.size()<1)
throw new RegistryException("No eprs found for <"+category+","+name+">");
EPR service = eprs.iterator().next();
call.setTo(service);
return invokeAndAwaitResponse(message, maxWaitMillis);
}