1 Unified Communications Managed API version 1.0 SDK.
2. Microsoft Office Communications Server 2007 Beta 3 Administrator permission. The message recipients and the author must be logged on to a version of Microsoft Office Communicator compatible with Office Communications Server. 3 .Configure Office Communications Server to trust the application connection, and to treat traffic from the application as if it were from another server. For more information, see Getting Started Building a Unified Communications Managed API version 1.0 Application.]
4. Create a certificate for the application host that will be trusted by Office Communications Server, then import that certificate to the application host computer. For more information, see Getting Started Building a Unified Communications Managed API version 1.0 Application.