@inproceedings{paperid:1056135, author = {Ahmad Ghafarian and Hosseini Seno, Seyed Amin and Dehghani, Maria}, title = {An Empirical Study of Security of Voip System}, booktitle = {SAI Computing Conference 2016}, year = {2016}, location = {لندن, ENGLAND}, keywords = {Keywords—VoIP; voice over IP; DoS; denial of service attack; snort; IDS; intrusion detection system; SIP; session initiation protocol}, }