My Callmanager have a private IP that is Natted to a Public IP but my IP communicator at remote site can't work with it. Although the Callmanager IP appears under IP Communicator TFTP device configuration. What can prevent the IP phone at remote sites from working and how do i solve this?
IP Communicator uses SSCP protocol which embeds addresses in the payload. For this to work your NAT router must have Application Layer Gateway capability. If NAT is performed by a PIX or ASA firewall you need to enable Application Inspection.
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.