IPCC can work only with g711 or g729 codec, not both at same time. This is fixed at install time and if you want to change it from one to another u have to reinstall IPCC. Autoattendant will work with both codecs, as long as prompts are recorded properly
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.