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Information × Registration Number 0121U110060, R & D request Title Development of software for the system of informing subscribers via cellular communication channels using a GSM modem for two SIM cards. Setting up and testing DTR devices Head Bezruk Valerii M., д.т.н. Registration Date 25-03-2021 Organization Kharkiv National University Of Radio Electronics popup.description1 The purpose of the work is to modernize the previously developed CallCenter DTR subscriber information system. Modernization is used to inform subscribers.on cellular communication channels of the GSM modem on two SIM cards that will essentially accelerate work of system. popup.nrat_date 2024-12-09 Close