Meeting draws more people than fit in the room

Overflow to a second room runs either as a second room join on the same meeting, or as an internal stream to the overflow room. Both work, with different trade-offs.

Try this first

1. 1For two rooms actively participating, both join the meeting with their own room account, mute one to avoid echo.
2. 2For one main room and an overflow that listens, use an internal stream to the overflow room, scales better.
3. 3Plan a separate mic route for overflow attendees who want to speak, otherwise they hear but are not heard.
4. 4Test the audio routing, two rooms in the same meeting can feed each other's echo without strict mute discipline.
5. 5Communicate in advance which room is main and which is overflow.
6. 6Document the flow as a recurring meeting, not a one-off exception.

None of the above fits?

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