The User’s Guide (and API Definition) documents provide detailed descriptions of all of the EvoStream Media Server’s features, including these new features for 1.6.4. You can find an online copy of the documentation on our downloads page. Here are a few direct links as well:
http://www.evostream.com/evo_evals/EMS% … 0Guide.pdf
http://www.evostream.com/evo_evals/API%20Definition.pdf
The latest documentation will also always be packaged as part of the EMS itself.