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Chapter 7. Protection with VoIP Protocol > Threat Model and Prevention
Threat Model and Prevention
Many different kinds of threats exist in the VoIP world, and most typical threats are introduced in Chapter 2, “VoIP Threat Taxonomy.” In this section, you see the threat model and prevention from a SIP perspective; in other words, how the threat is implemented and prevented in SIP and supplementary protocols. RFC 3261 gives the guideline, which is summarized as follows.
