To use SIP on an IP phone, do I have to upgrade the firmware and also do I need a licence to use SIP on this phone. There seems to be a SIP & MGCP licence for the 7940 phone on the price list however the specification for the phone says it is supported.
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.