Cisco IP Telephony (Part 2)

This is the second of two Study Guides covering the material in the Cisco IP Telephony Exam (642-444). Topics covered include: Cisco IP phone features, how to secure an IP telephony environment, CallManager plugin applications, tools that can be used to monitor and troubleshoot the CallManager's performance, and a brief discussion of VT Advantage, Cisco's point-to-point video over IP solution.

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