Not exactly. CIPC is basically a softphone, emulating phone functionality on your PC. CUPC includes several other feature such as collaboration, precense information, etc. Take a look at the following link.
IM is a big feature with CUPC. Web collaboration and Presence will require Cisco Presence server integration to the CM Cluster. IF you buy CM 5.x today, you will get 10 seats of presence and 10 seats of CUPC free.
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...