Developer's DescriptionBy MicrosoftEnhance the voice capability and computer-to-computer calls around your organization.Microsoft Office Communications Server 2007 R2 Software Development Kit (SDK) includes documentation and sample applications developed with the Office Communications Server 2007 R2 platform. Microsoft Office Communications Server 2007 R2 delivers streamlined communications to help you find and communicate with the right person, in real time, from the applications you use most.