Well the real question is what are you looking for. Are you trying to have a voip installed into your network so that you can make calls across the internet or your wan. Or is this VOIP network for a single location.
You need to give us a little more detail as to what your looking for.
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.