The South Korean company Samsung Electronics has announced that users of its smartphone Galaxy S9 first in Russia received the opportunity to make voice calls in 4G networks with two SIM-cards (Dual VoLTE). The service is available to subscribers of operators "the Megaphone" and MTS.
Dual VoLTE supports voice calls VoLTE and HD quality for any of the used SIM-cards simultaneously, provided support VoLTE operator. Another advantage of this technology is that if before 4G was available only for one selected SIM card, now the connect 4G is available for both. Wi-Fi Calling is also no longer tied to one SIM card is working in 4G mode.