Study on Fraud and SIM Box Fraud Detection Method in VoIP Networks 


Vol. 40,  No. 10, pp. 1994-2005, Oct.  2015


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  Abstract

Voice over IP (VoIP) is a technology for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks. Instead of being transmitted over a circuit-switched network, however, the digital information is packetized, and transmission occurs in the form of IP packets over a packet-switched network which consist of several layers of computers. VoIP Service that used the various techniques has many advantages such as a voice Service, multimedia and additional service with cheap cost and so on. But the various frauds arises using VoIP because VoIP has the existing vulnerabilities at the Internet and based on complex technologies, which in turn, involve different components, protocols, and interfaces. According to research results, during in 2012, 46 % of fraud calls being made in VoIP. The revenue loss is considerable by fraud call. Among we will analyze for Toll Bypass Fraud by the SIM Box that occurs mainly on the international call, and propose the measures that can detect. Typically, proposed solutions to detect Toll Bypass fraud used DPI(Deep Packet Inspection) based on a variety of detection methods that using the Signature or statistical information, but Fraudster has used a number of countermeasures to avoid it as well. Particularly a Fraudster used countermeasure that encrypt VoIP Call Setup/Termination of SIP Signal or voice and both. This paper proposes the solution that is identifying equipment of Toll Bypass fraud using those countermeasures. Through feature of Voice traffic analysis, to detect involved equipment, and those behavior analysis to identifying SIM Box or Service Sever of VoIP Service Providers.

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  Cite this article

[IEEE Style]

J. Lee, J. Eom, T. Park, S. Kim, "Study on Fraud and SIM Box Fraud Detection Method in VoIP Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 10, pp. 1994-2005, 2015. DOI: .

[ACM Style]

Jung-won Lee, Jong-hoon Eom, Ta-hum Park, and Sung-ho Kim. 2015. Study on Fraud and SIM Box Fraud Detection Method in VoIP Networks. The Journal of Korean Institute of Communications and Information Sciences, 40, 10, (2015), 1994-2005. DOI: .

[KICS Style]

Jung-won Lee, Jong-hoon Eom, Ta-hum Park, Sung-ho Kim, "Study on Fraud and SIM Box Fraud Detection Method in VoIP Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 10, pp. 1994-2005, 10. 2015.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880