MTS Group | 42,119 followers on LinkedIn. Mobile TeleSystems OJSC ("MTS") is the leading telecommunications group in Russia, Eastern Europe and Central Asia, offering mobile and fixed voice, broadband, pay TV as well as content and entertainment services in one of the world's fastest growing regions. Including its subsidiaries, as of December 31, 2010, the Group serviced over 108.1 million mobile subscribers in Russia, Ukraine, Uzbekistan, Turkmenistan, Armenia and Belarus, a region that boasts a total population of more than 230 million. The Group’s fixed business, as of December 31, 2010, had a total of 9.9 million households passed, 1.8 million broadband Internet and 2.6 million pay-TV subscribers.