There's no way I know of for this to happen right now. Certainly no method I know of would allow this to work as long as we are using H.323. Perhaps if the ATA could talk to CallManager using MGCP or Skinny then this may be possible. But I don't know any details or plans for that, so you should probably speak to your account rep about this.
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.