Voice over IP (VoIP) is pushing business communications to a new level of efficiency and productivity. VoIP-based systems are facing security risks on a daily basis. Although a lot of companies are focusing on the VoIP quality of service, they ignore the security aspects of the VoIP infrastructure, which makes them vulnerable to dangerous attacks. This chapter will tackle most VoIP security issues using a step-by-step guidance.
In this chapter, we will cover these topics:
- VoIP protocols
- VoIP attacks
- VoLTE attacks
- How to defend against VoIP attacks