Call Park, Response Group, and Announcement applications have the same hardware requirements as Front End Servers. For details about Front End Server hardware requirements, see Requirements for IM and Presence.

Call Park, Response Group, and Announcement applications have the same operating system requirements and software prerequisites as Front End Servers. For details about Front End Server software requirements, see Preparing Your Environment.

Call Park, Response Group, and Announcement applications require that Windows Media Format Runtime is installed on Front End Servers running Windows Server 2008 and Windows Server 2008 R2. The Windows Media Format Runtime is required for Windows Media Audio (WMA) files that these applications play for announcements and music. The Windows Media Format Runtime is installed automatically when you run Setup, but it might require you to restart the computer. Therefore, it is recommended that you install the runtime before you run Setup. You can install Windows Media Format Runtime from the command line, as follows.

	Copy Code
pkgmgr.exe /ip /m:"C:\Windows\servicing\Packages\Microsoft-Windows-Media-Format-Package~31bf3856ad364e35~amd64~en-US~6.1.7600.16385.mum"

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