Question about OnePlus 7 Pro (12GB)

I think support VoLTE.

WiFi calling is not supported. Unfortunately, I cannot provide any information about VoLTE.

Did you manage it? Unfortunately it doesn't work for me... :-( It's a pity that Sunrise is lagging behind the competition...

look at her...
https://www.theandroidsoul.com/how-to-ena...