Messaging application and storage servers run on the Red Hat Enterprise Linux 5.3 operating system.
To use Caller Applications Editor, you need:
A computer that is running one of the following operating systems:
Windows Server 2003
Windows Server 2008
Windows XP
Windows Vista
Windows 7
The following software, available from the Microsoft Download Center:
Microsoft Management Console (MMC 3.0)
.NET 3.5
Administrative permissions on the computer.