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CCIE Voice v3.0 Quick Reference by Mark Lewis

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Chapter 10. Operations and Network Management

IP telephony networks can be complex, and for that reason, it is essential to have a good grasp of the tools that can be used to manage and troubleshoot these networks.

A range of tools can be used to manage and troubleshoot IP telephony networks, including the following:

CDR Analysis and Reporting (CAR) tool: Allows the analysis of Call Detail Records (CDR). CDRs usually are used for accounting or billing, but they can help provide some pointers when troubleshooting.

CAR can be used to generate user, system, and device reports containing information on call volumes, quality of service (QoS), billing, gateways, and so on.

Dialed Number Analyzer (DNA): Can test dial plans for errors, and it allows ...

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