Actually... In this case I think it is a bit more complicated than that since we are dealing with a MiVoice Business Express... You would first need to reconfigure the MSL host with a new IP address via the SSH configuration menu, then after reboot reconfigure all of the pieces related to the MiVoice Business, not to mention you will need to touch DHCP, NuPoint, MiCollab Client, Audio Web Conference, and maybe more. If you are not familiar with MiVBX (a combo of MiCollab and vMCD) then you may want to engage a competent technician.