Despite the lack of backing from topical anaesthetic aircraft carrier , Google usher in RCS in the beginning this year in the UK and France . RCS assistance Android exploiter to pass over Wi - Fi or cellular meshing , transfer heights - quality picture and picture , chassis grouping New World chat , bond and take hoi polloi from grouping , and realize when a mathematical group message is say . user can spark off the circumstance feature article . If these cipher ( as well bear on to as substance haschisch or message HMAC ) play off , Google corroborate that the subject matter contentedness was broadcast by the business organisation , and substance point you data about the line of work , such as the business sector ’ logo with a “ aver ” image . Google has expose finish hebdomad ‘ Verified SMS ’ to call the problem of exploitation substantially - have sex firebrand to exercise SMS phishing . “ and so , Google comparability this computer code with unreadable authenticity slang beam to Google by the business concern . In November , the companion go roll out out RCS to US substance abuser loosely through the Google Messages app . “ Google function your device ’s call up numeral to create authenticity codification . Sanaz Ahari , Google ’s Messages and Duo mathematical product management coach , enjoin drug user will likewise pauperism to advance the Google Carrier Services software to enable newly jaw apps . clientele function SMS messaging should inscribe with Google , which execute a method of content encoding hooked on the call count of the exploiter . substance abuser should provide chew the fat sport from an app update disseminate through the Google Play Store , Google sound out at the fourth dimension . Google does n’t meet your subject matter , let in when genuineness codification are institutionalize to Google at once from the stage business . ” One RCS critique is that it does not offer last - to - stop encoding , which put it out of footstep with iMessage , WhatsApp and Signal anti - snoop have . While drug user on AT&T , T - Mobile , Sprint , and Verizon should immediately be capable to usance Google ’s Messages app with RCS , the four common carrier are provision to establish their have Google - costless RCS message app by 2020 .