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Understanding Session Border Controllers: Comprehensive Guide to Designing, Deploying, Troubleshooting, and Maintaining Cisco Unified Border Element (CUBE) Solutions by Gonzalo Salgueiro, Kaustubh Inamdar, Steve Holl, Chidambaram Arunachalam, Arunachalam Chidambaram, Kyzer Davis, Felipe Garrido

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Chapter 6

Secure Signaling and Media

Every day, all around the world, people create millions of media sessions for exchanging data. These sessions may be established using email, web pages, instant messaging, or even phone calls. The types of data exchanged in these media sessions is endless but may be in the form of files, audio, video, images, and text. More often than not, the parties involved in these sessions expect that the data they are exchanging is free from observation or manipulation by third-party entities with malicious intent. These privacy concerns lead to security implementations that are used in the signaling and media planes to ensure that the session establishment and the resulting media stream are free from third-party intervention ...

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