Re: Trying to register an IP phone via VPN with 877.
You should be able to build the VPN tunnel back where the CME. This locally at the 877, the phone has to boot up, get an IP address *AND* option 150 (TFTP server) address of the CME. Once the phone gets the TFTP address, it will download it's config and register with CME. Alternatively, you can put a static IP address on the phone, but you still need to have site to site VPN up and running
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.