FIELD: communication technique.
SUBSTANCE: invention relates to telephone communication. Method for mutual authentication of mobile communication subscribers involves adding a dynamic password by software. Dynamic password is a sequence of one or more acoustic signals transmitted during a given period after receiving a request from an incoming and/or outgoing call. Dynamic password is known in advance by both sides and/or correlation law is known, according to which it is formed. Dynamic password can include one or more of the following characteristics: beginning of acoustic signal emission, and/or acoustic signal frequency, and/or acoustic signal amplitude, and/or number of signal emission time intervals, and/or duration of each interval in which signal emission occurs, and/or duration of intervals between signal emissions.
EFFECT: invention can be used to neutralize threats arising from attempts to use artificial intelligence technology in the field of voice and video communication for fraudulent purposes (calls/voice messages transmitted via wireless data networks (LTE, UMTS, NR, Wi-Fi, et cetera) and/or using additional software), as well as video calls and/or video messages.
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