Unlike traditional data networks, voice and video troubleshooting typically involves numerous components, which can make troubleshooting a complex process. For example, voice issues could be due to gateway, gatekeeper or call agent misconfigurations or errors. Troubleshooting these components requires familiarity with all of them. Fortunately, from a networking perspective, your troubleshooting will center on voice and video quality issues, which may arise from misconfigurations or errors on the infrastructure devices, i.e. the routers and switches that transport this traffic.
For the most part, almost all voice or video quality issues are caused by some type of network degradation. While . . .
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