Problem Connection sending IDOC From SAP RP to MII 15.0.4.7

Hi Everyone,

We are working with SAP MII 15.0.4.7 and when we try to send an IDOC to MII from SAP there´s the following

connection problem that i detail in the images below:

   RFC Configuration:

   Test connection error:

¿ Does anyone know what can be happen or a way to solve this issue or how can i get the name of my gateway service from my MII environment ?

It would be very helpful cause we are on a project and our time is running out

Thanks for your replies

Best regards,