Sure. Remember that the intercom lines exist in their own partition and have their own CSS. You can create two-digit intercom directory numbers and place them all in the same intercom partition. Assign a CSS that has only that partition. Do not specify a speed dial value on the intercom line when you create it. When the user goes off-hook, they will receive dial tone and can enter the two-digit intercom directory number of another person in that partition.
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.