You can use CAR report 'QoS Detail' which will give the details Calling number, called number, call Originator and completion date and time, duration, orig and dest codec, orig and dest devices, and orig and dest QoS. To generate the report for all the calls made in the system, you need to select the option "Select All Users".
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...