See Eye 2 Eye - webcam teleprompter & eye contact device for video chatting with computers using external webcams https://www.amazon.com/dp/B000N28MB4/
Bodelin Technologies SE2E See Eye 2 Eye - Eye Contact Device for Webcams https://www.bhphotovideo.com/c/product/472569-REG/Bodelin_Te...
Here it is in action: https://www.youtube.com/watch?v=IpFsBHusAhY
The manufacturer appears to have replaced it with this model, which is around $400 more: https://www.proprompter.com/teleprompters/proprompter-deskto...
Video may be more important for non-technical discussions, where reading non-verbal cues can be important (however I'm not sure how well they can be read from a laggy video feed).
It's not perfect, but it's adjustable within 3 seconds and is very close to directly looking into the camera.
But note that EVERYONE prefers to look at themselves onscreen (well, not me... but if you saw me you'd understand why) and therefore they don't really care if you're doing the same thing.
Just turn off your camera. Video meetings where you sit at your desk and stare into your screen for an hour is just stupid.
I do all my calls voice only while going for a walk or doing chores around the house.