Choose Use ISO Image file and Browse to that file.
Set the DVD to the bootable CUCM install ISO and power on the machine. Cisco Unified Communications Manager (CUCM), formerly Cisco Unified CallManager and Cisco CallManager (CCM), is a software based IP call agent platform sold by Cisco Systems.
Give your new virtual machine a name and click on Import. In some urgent situations, you might need a bootable disc to recover the system (or your client/boss would shoot you in the head). Cisco Unified Communications Manager (CUCM) 11.5