Call the local administrative office and ask them. Our local 911 service was more than happy to accomodate us, but they really prefer to know ahead of time about the test calls. While debugging our system for a slow dialout and our internal alert system, I substituted 411 (directory assistance) and hung up when I got the recording.
On similar note, I have call syslogging enabled on the router and I filter for outgoing 911 calls. A fancy script then emails the call details to key people.
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.