For details about the configuration needed in CUCM to support Multiway, see the “Cisco TelePresence Multiway and CUCM” appendix in the Cisco VCS and Cisco Unified Communications Manager Deployment Guide CUCM 6.1, 7, 8 and X7.0.
Note that the CUCM must be configured to allow dialing to the Cisco VCS domain to which Multiway aliases are registered – this is documented in the “Allow dialing to Cisco VCS domain from Cisco phones” appendix in the same deployment guide.
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.