Foscam R4 - motorized pan and tilt but zoom is digital: https://smile.amazon.com/Foscam-Security-Surveillance-Detection-Included/dp/B07M9KNJCJ

POE splitter for above: https://smile.amazon.com/DSLRKIT-Splitter-Ethernet-Compliant-IEEE802-3af/dp/B01DOSOCEE

Works with BI, does auto IR, 2-way sound. I've never played with substreams.