Vulnerability Analysis and Defense of Voice-over-IP Technology

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Hoang-Sy hoang Nguyen
Vu Quang Ly


Voice over IP (VoIP) technology has promptly developed since it has brought back the flexibility and cost saving for businesses in the communication field. Recently, attackers have been constantly trying to exploit security vulnerabilities of VoIP. The aim of this paper is to focus on VoIP system and its security vulnerabilities. We briefly overview the VoIP architecture in the first section. Next, Session Initiation Protocol (SIP) will be basically discussed as well as its operation. The different attacks to VoIP system based on common VoIP security vulnerabilities will be mentioned in the final section, we also present the approaches that how to counter those attacks in the same part.


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How to Cite
Nguyen, H.-S., & Ly, V. (2020). Vulnerability Analysis and Defense of Voice-over-IP Technology. Binh Duong University Journal of Science and Technology, 1(4). Retrieved from