The code will be sent via a flash phone call, that will be closed immediately. The last digits of the phone number that calls are the code that must be entered manually by the user.
auth.sentCodeTypeMissedCall#82006484 prefix:string length:int = auth.SentCodeType;
|prefix||string||Prefix of the phone number from which the call will be made|
|length||int||Length of the verification code|