Have you enabled CDR on all nodes within your cluster?
It may be that your publisher is not doing call processing and the subscribers are.
The settings are almost identical from 5.x - 8.6.
If you are interested we have a product that is fully Cisco UCM 8.5 IVT certified and it configures itself. All your users, departments, handsets, softphones, UDP's and gateways etc are created for you - see the AXL sync video below.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.