MFI Soft | 667 followers on LinkedIn. MFI Soft is a Russian vendor that provides software solutions for IP-based communications and networks worldwide. MFI Soft products enable operators and corporate clients to deploy a set of voice and multimedia services, protect networks from fraud and DDoS attacks, and prevent information leakage (DLP). MFI Soft products and solutions are deployed by over 370 companies in Russia, including major telecom operators such as Rostelecom, MTS, Megafon, Beeline, and leading regional service providers .