To connect the ban to the clients of "MTS" you can use the self-service system called "Internet Assistant" or "Mobile assistant" (call 111 and wait for a response operator or answering machine). To the specified number you can also send SMS messages, the text of which shall contain the number or 2119 21190. In addition, at any time the subscribers is available for the sending of the request to activate the service "call barring" by Fax (495) 766-00-58.
In the "Beeline" subscriber can block both incoming and outgoing calls, calls while roaming and international calls. For more detailed information, you can visit the official website of the operator or to dial the toll-free number (495) 789-33-33. The ban can also be set by sending USSD-request to number *35*password#. You should enter the default password is 000 (in the case if you yourself have not changed it). To change the password available to subscribers is USSD-command **03** old password* new password#.
Users of the operator "MegaFon" also available is a ban on incoming and outgoing calls (of any type, by the way: internal, international, and so on), and even on text messages. If you want to activate the service, dial on the keypad of his mobile number USSD-request *service code*password#. this case the password set the default operator, - 111. To change it at any time in the phone settings. Learn about the necessary code ban subscribers can directly to the official website of "MegaFon", or rather, in a special section (there is a list).
In addition, in "the Megaphone" there is another service that allows you to block unwanted calls. It's called "Black list". Activation is quite simple: dial a USSD-command *130# or call on short number information service 5130.