Виртуальная АТС + городской номер +
SIM-карты = Мобильная АТС

Russian operator MCN Telecom and MVNO Danycom.Mobile plan to expand their cooperation. Subscribers of Danycom.Mobile can now switch to the MCN Telecom network under a simplified procedure in the Novosibirsk, Rostov and Samara regions, as well as in the Republic of Tatarstan. MCN Telecom says that it has already received more than 30,000 applications to join to its network via Mobile Number Portability (MNP).