RCS was the next version of SMS from the telecoms. Of course, while sms was a defacto standard across carriers, RCS fragmented. They made it only work within

RCS was the next version of SMS from the telecoms. Of course, while sms was a defacto standard across carriers, RCS fragmented. They made it only work within your specific carrier with their own text app. This next RCS is a deriguer standard called RCS UniversalProfile. Google has pushed to get a wide group of carriers on board. It's been a long time, but it seems to be getting there...... maybe....