When you say "dropped", do you mean that you'd like to know which party ended the call, or are you talking about a technical issue that caused the call to end?

I'd suggest using another call reporting tool -> VoIP Detective.  There is a free version that will allow you to give an end user access to call reports for themselves or others, as you choose. If you'd like to stick with CAR, then the below may help...

Yes, there is some basic call reporting built into CUCM.  You'll want to look for "CAR" - this can be found at:Cisco Unified Serviceability -> Tools -> Cisco Unified CM CDR Analysis and ReportingFrom there you'll want to Go to CDR -> Search. Having s...

Another option would be VoIP Detective.  We offer a free version as well as a PRO version.  It includes CDR reporting, UCCX wallboard, CUBE analytics and more.