Today ,
I ran the issue that I was unable to import any of my tar files created on OSX stations . So after some digging , I found this article of William Bell who gave me the right solution for this problem :
http://www.netcraftsmen.net/blogs/using-tar-on-mac-os-x-to-create-a-cucm-bulk-import-file.html
In any case , don’t hesitate to read this good blog 🙂
Olivier