This is reported by TASS with reference to the resolution of the Russian Cabinet of Ministers.

At the moment, to register in instant messengers and social networks, the user must provide a mobile phone number, thanks to which the owner can be identified. At the same time, attackers often use virtual numbers that are rented out and are not tied to personal data.

In March 2022, Russians received calls from unfamiliar Ukrainian and Belarusian numbers. Those who picked up the phone heard a man with a voice very similar to that of Volodymyr Zelensky begin to call for "taking home their husbands and sons" participating in a military special operation on the territory of Ukraine. Some of these audio messages were sent to the voicemail service.