In regard to bandwidth consumption, you can control the call rates to a certain extent using the default call rate setting on the endpoint themselves, or with a VCS-Control.
For the multisite session with more than 4 participants, you will need an MCU/Bridge. You can use any modern standards compliant endpoint with the bridge. For multsite calls with 4 or less participants, the internal MCU (enabled with a multisite licence key on most Cisco endpoints) can be used.
Hope that helps.
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Wayne -- Please remember to rate responses and to mark your question as answered if appropriate.
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.