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GSEC GIAC Security Essentials Certification All-in-One Exam Guide by Ric Messier

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15
VoIP
In this chapter, you will learn:
•  About the primary Voice over IP protocols, SIP and H.323
•  The benefits of implementing Voice over IP
•  The security implications of Voice over IP
•  Methods of securing a Voice over IP network
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Voice over IP (VoIP) has become a common tool for communicating, both for people and businesses. If you have used FaceTime or Skype, you have been using a form of VoIP. VoIP is really a catchall term for a handful of technologies that transmit voice traffic over data networks. Since video can use the same technology, ...

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