[Q] Are the stock ROMs still the only option for WiFi Calling?

[Lockedown]

I assume so, but thought I'd check in. I tried searching but a lot of the posts are older.

Edit: I suppose I should note I realize there are non-stock ROMs with wifi-calling, but they'd be CM9?

Thank you.

 

[szotaa]

Yep, official cm9.1 stable had and option to wifi call but i have never tried it so i dont know wether is it working