Download the MiCollab ISO from Mitel Named something like
Either open the ISO in WinRAR or mount it in windows by double clicking on it. You can also right click and choose “mount”
Either way browse to the file inside. The MiCollab Client is located in a file called “mitel-rad-uca-client(version number).i386.rpm
Open this file with 7ZIP
Double click or right click and choose “open inside”
This then shows a CPIO file. Double click on this one and it will unpack/Zip.
Next, you will see folders, the client is in /usr/ucs/dl/