I have a CME 8.1 deployment exhibiting odd behavior. Calls come in, go to a hunt group, and are handled accordingly. If a person is on the phone processing a call, and a second call comes in, the call automatically forces the first call to "hold", and becomes the active call.
MLPP is NOT configured on this system, and it is configured identically to about 4 and a half dozen other CME systems that aren't behaving this way.
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.