28 May 2013 IP telephony based danger alert communication system and its implementation
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Abstract
This article discusses a danger alert system created as a part of the research project at Department of Telecommunications of Technical University of Ostrava. The aim of the system is to distribute pre-recorded voice messages in order to alert the called party in danger. This article describes individual technologies, which the application uses for its operation as well as issues relating to hardware requirements and transfer line bandwidth load. The article also describes new algorithms, which had to be developed in order to ensure the reliability of the system. Our intent is focused on disaster management, the message, which should be delivered within specified time span, is typed in the application and text-to-speech module ensures its transformation to a speech format, after that a particular scenario or warned area is selected and a target group is automatically unloaded. For this purpose, we have defined XML format for delivery of phone numbers which are located in the target area and these numbers are obtained from mobile BTS's (Base transmission stations). The benefit of such communication compared to others, is the fact, that it uses a phone call and, therefore, it is possible to get feedback who accepted the message and to improve efficiency of alert system. Finally, the list of unanswered calls is exported and these users can be informed via SMS.
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Filip Rezac, Jakub Safarik, Miroslav Voznak, Karel Tomala, Pavol Partila, "IP telephony based danger alert communication system and its implementation", Proc. SPIE 8755, Mobile Multimedia/Image Processing, Security, and Applications 2013, 87550Z (28 May 2013); doi: 10.1117/12.2015423; https://doi.org/10.1117/12.2015423
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