Replying to my own question: problem is the last reolink firmware broke 2 way audio. Downgrade to previous version fixes the problem.
Delay for sound is about the same as when I use the official reolink app (i.e. too long).
Hi there!
This is quite a late reply but I had the same problem with a 10s delay of the visitor notification as well as motion detection within Home Assistant as well as Scrypted with the Reolink Doorbell (Wifi-Version) and was looking all over the place for answers. For me the problem was, that the doorbell was in a different VLAN. I had to create a rule in my unifi network to allow direct communication from the doorbell to the IP of Home Assistant (with Port 8123). That made the response go down below 1s. I hope that helps others.
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