TRANSACTION VERIFICATION METHOD, AUTOMATIC TRANSACTION VERIFICATION SYSTEM AND TRANSACTION VERIFICATION UNIT (VARIANTS)

摘要

The invention offers methods and devices in which a clear-back signal and an answer signal of the subscriber device connected to the automated switched telephone network are used as primary or secondary factor of identification of personality and intentions of the transaction initiator. The invention can be used inter alia for confirmation or verification of transactions initiated by the unauthorized person or by the person authorized by existing authorization factors, by means of the subscriber device of the person authorized to make the transaction. The technical result is the fact that an authorization factor is offered that does not require connection traffic in the automated switched telephone network when such network is used for confirmation or verification of transactions.