Don't you just hate having to run RTMT in a virtual machine, well here it runs in an app for mac.
I have complied a version for CUCM 14.x ( from a version I got for 11.x )
It works on older versions also.
Here it is https://haffi.is/rtmtmac14.zip
older versions
https://haffi.is/rtmtmac12-5.zip
https://haffi.is/rtmtmac12.zip
Enjoy