This is not supported by CCX; however, the CTI events for this (as well as a pre-recorded agent greeting) were added to CUCM in the 8.5 train. So far I'm only aware of this being offered in UCCE, not CCX; however, since this is actually a CUCM feature you can evaluate third-party monitoring solutions (e.g. Calabrio, Nice, Verint, etc) to see if any of them support it. The Developer Marketplace can give you a listing of the many compatible recording vendors. I ran a quick Google search but none of them came up as an obvious match sadly. Time to play "feature go fish" with the sales guy/gal.
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.