Complimenting the Lync 2010 Client Bandwidth calculator…
A spreadsheet for calculating a user’s hardware requirements based on information that the admin supplies about number of users, types of communication, and expected traffic. Includes a Microsoft Word document explaining the tool and how to use it.
The spreadsheet was updated in April 2011 to modify some calculated cells.
The Lync Server 2010 Stress and Performance Tool is available for download at http://go.microsoft.com/fwlink/?LinkId=212599.
DOWNLOAD: Lync Server 2010 Capacity Calculator
http://www.microsoft.com/download/en/details.aspx?id=12295
kurtsh
Kurt Shintaku's Blog 