Unfortunately no... I'm just starting work on a white paper for audio text applications that will cover the ins and outs of call handlers in detail as well as basic troubleshooting steps, call routing rules etc... lots of folks get hung up here and it needs some detailed documentation. I have to finish up the Unity architecture overview document this week before starting on that. I'm hoping to have something out by mid September.
One thing you might want to check out is the training videos for the Audio Text Manager application that covers some of what you may be interested in. You can find it here:
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.