To use the old directory URL, you need to change the Services Provisioning on the phone or on Enterprise Parameters to External. CUCM now uses internal provisioning by default which allows some Extension Mobility/other phone service high availability. Now phones configured for internal services provisioning will use whatever node they are registered to for these built-in services by default. This is an improvement over where you would lose these services before whenever the node you pointed the URL to went down.
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...