PROTEI is an international IT-systems vendor operating in Eastern Europe, Central Asia, Latin America, the Middle East & North Africa, having extensive know-how and a proven track record of over 20 years in the telecommunication market. More than 40 mobile and fixed-line operators in 35 countries use PROTEI equipment to serve over 250 million subscribers worldwide. PROTEI portfolio includes Private LTE/5G solutions, IoT/M2M platform, Core Network solutions, VAS and messaging platforms, Roaming solutions, NGN equipment, DPI/PCRF platform. Using the latest convergent technologies implemented in our products the most innovative services can be delivered with maximum efficiency. Our products are highly customizable and can be altered according to any requirements. PROTEI service platforms will help Operators to keep subscribers’ loyalty, increase revenues and reinforce a position on a highly competitive market.