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

Russian operator MCN Telecom has added new functions to its PBX service Welltime, including integration with the Yandex Voice Synthesis service. In addition, the PBX-Connector function enables customers to monitor, register and record telephone calls, and the Voice Messages option enables a wide range recording options during incoming calls from customers. Conferencing services have also been upgraded.