Ring Elite ethernet - "activating device" takes forever

My new Elite doorbells are quick to alert me to motion or even a visitor ringing the bell. But when I try to "go live" what I see is "activating device" and then... a long, long wait. It can be 15 seconds, even much longer, by which time the delivery person has sometimes turned away already. The connection is ethernet, and it's strong - 27ms ping time at last check. Home wifi is also strong, no noticeable lag time and speed for all other apps or internet access on my iphone X is really fast. Coupled with the time it takes for the app to compress the video footage into MPEG so I can replay what I missed while I waited to connect, and it can be two minutes before I figure out what was happening. That. Is. Absurd.