Element Call is Element's next generation of video calling, set to replace Jitsi in the future. Element Call is currently an experimental feature so please use this accordingly, it is not expected to replace Jitsi yet.
Under integrations, install ElementCall - FullMesh VoIP (experimental).
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By default when you add Element Call alongside Jitsi, you will get an option in Element web to use Jitsi or Element Call when starting a call. If you wish for Element Call to be the default behaviour set the below config in your Element Web config file.