we have UM unity 4.1(1) with failover, currently have 16 voice ports running, will need add more voice ports, I did checking with the port usage analyzer, but not see that clear how to determine the voice ports numbers from the design documentation, any clue will be appreciate.
we are migrating our VM unity system to our UM voice mail system, currently UM unity system have 16 voice ports, UM have 150 users, and VM have 500 users now, will have 200-300 more users in the near future to join UM as well. So we will need to check how many ports we will be good for this situation. Plus we may have broadcast voice message may happen sometimes to all staff.
This really depends on your usage, every company uses VM differently. Since you alreay have Unity I would suggest running the port usage tool to find out how many ports are used during busy hour and then scale accordingly.
For 1000 or so users I would recommand at least 32 ports, perhaps even more if VM is used frequently.
This is a tool that can generate reports that show port usage based on dialouts for various reasons (MWI, notification, AMIS delivery, TRAP connections) and inbound traffic. Indications of how many ports were available to take calls at any given time and the like will be graphed so you can easily see if you're in danger of running out of ports during peak times.
This is a set of four complete graphical and table reports that help sites manage their traffic trending.
Thanks, Rob. we did check the Port Usage Analyzer first as mentioned in my first part, and got all the information we need: Port Availability,Ports available to take the calls, ports currently busy, port availability summary and Call Traffic...but still have more to be think about: the numbers of users, message broadcast and the future users expansion..
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