This tool is for testing your voice deployment quality. By installing and configuring the tool you will be able to setup a ad-hoc or regular testing of you OCS voice deployment.
There are two main tools:
1. Answering agent: use this tool to set up a voice recorder that you can call to leave a message, and get it played back to you.
2. Deployment validation tool: A more comprehensive tool that tests the quality of your voice deplayment and generates reports and can report to MOM 2005
Use this link to get the package that include the tools and documentation: