期刊名称：International Journal of Advanced Research In Computer Science and Software Engineering
印刷版ISSN：2277-6451
电子版ISSN：2277-128X
出版年度：2013
卷号：3
期号：8
出版社：S.S. Mishra
摘要：Voice over Internet protocol has become a popular alternative to public switched telephone network. The flexibility and cost efficiency are the key factors luring enterprises to transition to VoIP. As VoIP technology matures and become increasingly popular so it also gains the attention of the attacker who attacks on the VoIP conversation and wishes to eardrop the conversation. In this paper we first describe the phrase spotting technique used to eavesdrop the conversation and defence approach for eavesdropping attack. In which padding to a fixed length and applying encryption algorithms. To make system more secure from this attack
