I may have misunderstood question but couldn't you use the CallForward All softkey to forward calls that come into DN 150 (Line 1) to 304 after hours. This would basically take the other 4 lines out of the equation and take after hours calls straight to the AA at 304.
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.