I have CM 3.3 and Unity 3.1.5 (both centralized). IP phone to IP phone calls between regions are working properly and are using g729. Calls to Unity from a g729 region don't work. The g729 codec is installed and enabled. It appears that Unity isn't transcoding for g729 calls.
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...