My costumer uses a analogue line on a FXO port router 2801 for their 911 calls. And they use this line for the fax to. So if somedy calls 911 and the line is busy they want that the system hang up the line and let the 911 call pass on the analogue line.
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.