I have recently been struggling with DTMF relay configuration in which the provider has issues with in-band DTMF transport and has requested DTMF's to be delivered out-of-band. Examining the SIP INFO and the SIP NOTIFY methods for out-of-band DTMF delivery, has led to the following predicament.
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.