I'm using a setup with RT-AC68U in router mode and RT-AC56U in AP mode, both connected with Ethernet backhaul. My mobile telco supports VoWiFi and I have it enabled on my iPhone. VoWiFi calling works fine only as long as I don't roam between my two APs. As soon as I move to another room, the call either goes silent for both parties or the other side can hear me but I can't hear them.
I have:
No proper AP handovers for VoWiFi calls
I have:
- Latest official firmware on both devices.
- Separate SSIDs for 2.4 and 5 GHz,...
No proper AP handovers for VoWiFi calls