Key features

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• •Master troubleshooting techniques and methodologies for all parts of a Cisco IP Telephony solution-Cisco CallManager, IP phones, gateways, applications, and more Learn how to investigate and resolve voice quality problems, including delayed audio, choppy or garbled audio, static and noise, one-way or no-way audio, and echo Read about the variety of trouble-shooting tools at your disposal and how and when to use them based on the problem type Discover the potential causes of common problems and how to efficiently troubleshoot them to resolution Learn how to identify and resolve gateway problems by breaking the components into logical groups and following a methodical troubleshooting approach Use best practices recommendations to build a stronger IP telephony deployment and avoid common mistakes