2-way audio on non-doorbell cams?

[supp0815]

Hey,

So I tried now 3 different cams, 2 indoor (Reolink E1 pro, Amcrest IP4M-1041W) and one outdoor cam. I tried Reolink,Amcrest and Onvif Plugins (with all 3). Set 2-way audio but it's not working. I see in the console that "intercom" is triggered when I push the talk button in the Home app. I also have an Amcrest doorbell, that one works with 2-way audio without issues. But none of the others work 🫠

Is there any specific indoor cam where 2-way works?

Regards