[转载]A New Approach for Securing VoIP Communication
信息来源：邪恶八进制信息安全团队（[url]www.eviloctal.com[/url]）This paper reviews some security challenges currently faced by VoIP systems as well as their potential solutions. Particularly, it focuses on Zfone, a vendor-neutral security solution developed by PGP’s creator, Phil Zimmermann. Zfone is based on the Z Real-time Transport Protocol (ZRTP), which is an extension of the Real-time Transport Protocol (RTP). ZRTP offers a very simple and robust approach to providing protection against the most common type of VoIP threats.
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