Hi Visal,
First you have to check if the service is running properly or not. Copy the WSDL url and paste it to your browser and press enter. After that if it is not loading properly then its not the issue of MII its the issue of service.
What I can see in my browser, it is returning error. So as per my understanding this service is not working now.
Hope it will help you.
Regards,
Suman