I wouldn't call this man-in-the-middle, they are the man at both ends and in the middle. MITM usually refers to 3rd parties routing your traffic. So if your I

I wouldn't call this man-in-the-middle, they are the man at both ends and in the middle. MITM usually refers to 3rd parties routing your traffic. So if your ISP or network admin was sniffing your Skype messages, that would be what is generally called MITM.