It all depends on if the carrier supports it or not. The ones who support it so far show up in B2. I am sure others will hop on board since they don't want to be left behind or get negative press.So...hold up. I want to see if I'm reading this wrong. No support for RCS outside of the US? Or no support for RCS *on Apple devices yet* outside of the US?
If the latter, I can understand that. But if the former....this kind of contradicts Google's entire argument for how Apple's lack of RCS support was hamstringing people texting between Apple/Google devices.