Hi @bruno29a thank you for your help, I shared the workflow with someone from the IT area, so he can try to establish the connection since I do not have any FTP Client installed. Regarding the VPN, I guess I do not need it, since I am at the office 
right know.
Finally and considering your last clarification the tele2.net is taken from an example provided by @ScottF here
I am going to try
Thank you