I have a Ubiquiti G4 doorbell connected to a UDM SE.
BI is getting a stream from the UDM.
rtsp:/192.168.61.1:7447/XXXXXXXXXXXXXXX
My BI Server and Cameras are on a different VLAN than the UDM (192.168.68.xxx), but the appropriate Firewall Rules are in place for BI Server to see the UDM.
Works...