So I did everything what This (kozumi-usa.com/files/Abrir%20puertos%20en%20el%20Modem%20KM-410WG.pdf) says, step by step and still port 4232 is not opened. I did setup a static ip 192.168.1.2 and I tried doing it with 192.168.1.2 and it didn't work. Please could You say what I'm doing wrong?