We have a brand new CME system and we have 2 CP7821 phone for common area's but i cant seem to find anything on how to get them to work. in fact when under telephony-service i run the "load ?" and that model is not even listed as a option. how then to i get those phones working?
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.