You will need
  • Phone connected to MegaFon
To connect the calling number identification restriction in several ways - through a self-service system "Service-Guide" by sending an SMS message to the number 000105501 by dialing the command *105*501# or from the official website of "MegaFon".
If the user wants to who he's calling, I saw his hidden room, he must dial *31# and then the destination number. This command is valid only for one call.
The service "CLIR" allows you to hide your phone number only for outgoing calls.