Hi, is this happening when this is an outside caller? (if it is what kind of GW is this MGCP or H.323), what happens to an internal (local) caller? have you verify on the GW or CCM trace if the DTMFs are being received and sent?
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...