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Abstract: Malicious phone calls, including spam and scams, caused millions of global financial losses every year and was a difficult problem over many years. This work introduces the solution based on ...

Abstract: Since the late 90's IP telephony, commonly referred to as Voice over IP (VoIP), has been presented as a revolution on communications enabling the possibility to converge historically ...

Our phones help us keep in touch with people, manage our schedules, make payments, listen to music, work, store photos and videos, and more. For these reasons, losing or misplacing your phone can be a ...