Nickolay Biriukov has research and practical experience in telecommunications field, in particular: In Ukrainian Research Institute of Communications and Test Center, UNDIZ (Kyiv, Ukraine) – Scientific Laboratory Head, Scientific Department Head, CEO of UNDIZ (the main work areas: transport networks, digital transmission system, synchronization in telecom – consulting and design). In National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute” (Kyiv, Ukraine) – Associate Professor. In National University of Life and Environment Sciences of Ukraine (Kyiv, Ukraine) – University Department Head, Professor. He also took part at the meeting of Study Group 15 of the International Telecommunication Union (ITU-T) representing the Ukrainian Telecommunication Administration (author of Contribution, Editor of Recommendation G.703/2001). Nataliya Triska has research and practical experience in telecommunications field, in particular: In Ukrainian Research Institute of Communications and Test Center, UNDIZ (Kyiv, Ukraine) – Engineer, Senior Researcher, Scientific Laboratory Head (the main work areas: transport networks, digital transmission system, synchronization in telecom – consulting and design). In Vodafone Ukraine – Engineer. In National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute” (Kyiv, Ukraine) – Associate Professor.