Ebook Free Download | Cisco Unity Connection (Networking Technology: IP Communications) | Schulz's book can be considered as two parts. The first part, covered in the chapters 1 and 2, is the overview and planning. Its strongest recommendation seems to be to design in as much detail as possible your computing network for voicemail. Especially take into account scalability. Future expansion should be considered from the start. The CUC core product can handle up to 20 000 users on a single server, which is certainly impressive. But if even this is insufficient, you have the choices of using more servers or perhaps digital networking and VPIM [Voice Profile for Internet Mail] to extend the limit on one server.VPIM is also important, for it lets a CUC network with another vendor's voicemail system, if the latter also supports VPIM. A pragmatic concern if your company already has that other vendor's system deployed as a legacy centre. One important aspect is the geographic distribution of users. The book uses an example of a company with its employees mostly on both US coasts. For high availability, this suggests deploying a server on each coast. Then CUC lets you build an intersite network so that you can easily administer just one unified voicemail centre.
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