Is there a direct upgrade path from Unity 4.0(4) to 7.X? Does my server allow me to go from 4.x to 7.x? If not what is the latest version of unity that I can upgrade to? Here's the detail for the hardware. We are using Ex-2K.
Unity : Cisco MSC 7800 Serie IBM MSC-7815-I1 SN:KP-YGL14