if you mean creating users and associate them to the phones the answer is NO
the licensing model in which every phone needs a certain amount of DLUs to work was introduced in CUCM 5.x and will continue in further releases.
In the new versions there is also no license for just creating end users. If you want a special capbility like presence or some others then you do need to have the license for that.
in CCM 4.x and before there are no bindings between phones and licenses, or user/device and license.
you can have 100 users if you want because you want them to be in the directory and only 50 phones (this really doesn't make sense in the real life but it's just an example) and there is no licensing issue
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...