It is crazy how different our experiences are! I travel a lot, internationally at times. SMS just works. Maybe it has to do with hardware and carrier. I use

It is crazy how different our experiences are! I travel a lot, internationally at times. SMS just works. Maybe it has to do with hardware and carrier. I use Verizon, or whatever cheap plan I get on a SIM card. Samsung phone, and it gives read notifications when the other party agrees to them, and is good on fails, in that I know when one did not get sent. When I make mistakes, I even get SMS over major flyover cities. Like I pull my phone out, and several emails and texts came through.