We're using CUCM and an H.323 voice gateway at a client site. The gateway is configured for SRST. During normal operation, a call coming into the main number goes to the gateway, the gateway is set to only allow 4 significant digits, and those digits eventually go to a Unity call handler which acts as the attendant for the company. That all works the way it's intended to work.
Additionally, however, the client would like things to be different during SRST. When the router falls back the client would like calls coming in on the main number to be directed to the receptionist's phone.
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.