From the SR Labs post on the topic: > In the second half of 2019, Google and a group of mobile operators started implementing a new communication technology, R

From the SR Labs post on the topic: > In the second half of 2019, Google and a group of mobile operators started implementing a new communication technology, Rich Communication Services...In June 2019, Google officially announced their plans to push RCS on all Android phones starting with trials being run in UK and France. Fast-forward to November 2019, RCS is being rolled out to all Android users in the US, and operators in other countries are running trials. https://srlabs.de/bites/rcs-hacking/ https://srlabs.de/bites/rcs-hacking/