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Chapter 10. Operations and Network Management - Pg. 173

[ 173 ] CCIE Voice v3.0 Quick Reference 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.