That said, there are third-party tools with significant strengths. You asked about Prognosis. Well, Prognosis is highly regarded as not only as a suite of IP telephony lifecycle management solutions, but it has built-in analytical intelligence that is somewhat more overarching that Cisco's bundled-in tools. Prognosis encompasses IP network-readiness assessment, pre-deployment testing and performance management on an ongoing basis.
It is generally accepted that Prognosis' strong point is its ability to provide TDM performance management by monitoring calls and call performance in real time. Yet this solution is both intricate and costly, and does not scale down well to installations with fewer than 1,500 phones.
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