Yes, this is definitely possible. I'm assuming you want to play a greeting which prompts users to press 1,2,3 etc. for different options?
You can configure caller input with a "send caller to" option. Basically, configure this to forward onto another call handler which directly transfers the call out to the number (call handler transfer).
You can either specify it to dial the number directly from Unity (you may have to amend the call routing in SA) or you could send the call out to a CCM extension with a CFwdAll configured.
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.