Cisco Unified Communications Manager contains two vulnerabilities that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. Exploitation of these vulnerabilities could cause an interruption of voice services.

—Cisco Security Advisory from February 20131

From small home/office UC-enabled routers to enterprise UC deployments, Cisco’s Unified Communications hardware portfolio contains a wide range of software, hardware, and applications that can cater to every UC market. As in the first edition of the book, we will concentrate specifically on enterprise deployments. Even though we’re narrowing our study to enterprise deployments, we still leave plenty of material ...

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