Office Communications Server 2007 R2 product home page, found at http://go.microsoft.com/fwlink/?LinkID=133618

Office Communications Server 2007 R2 infrastructure requirements, found at http://go.microsoft.com/fwlink/?LinkID=133602

Office Communications Server 2007 Release Notes, found at http://go.microsoft.com/fwlink/?LinkID=133658

Office Communications Server 2007 Technical Library, found at http://go.microsoft.com/fwlink/?LinkID=133654

Office Communications Server 2007 Documentation, found at http://go.microsoft.com/fwlink/?LinkID=133654

Office Communications Server 2007 free evaluation download, found at http://go.microsoft.com/fwlink/?LinkID=133620

Unified Communications Group Team Blog, found on Microsoft TechNet at http://go.microsoft.com/fwlink/?LinkID=133659