Due to the various features of Voice over Internet Protocol (VoIP), this technol- ogy has attracted the attention of many users in comparison with the tradi- tional telephony system. However, with the growth of this ...

Abstract—As VoIP (Voice-over-IP) Services are becoming more popular, various types of attacks against them are increasing. The main protocol that is used in VoIP is SIP. SIP is subject to various types of attacks including Denial-of-Service (DoS...