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Securing Cisco IP Telephony Networks

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The real-world guide to securing Cisco-based IP telephony applications, devices, and networks


Cisco IP telephony leverages converged networks to dramatically reduce TCO and improve ROI. However, its critical importance to business communications and deep integration with enterprise IP networks make it susceptible to attacks that legacy telecom systems did not face. Now, there’s a comprehensive guide to securing the IP telephony components that ride atop data network infrastructures–and the...