In November , the society embark on vagabond out RCS to US drug user generally through the Google Messages app . “ and then , Google comparability this code with indecipherable authenticity computer code sent to Google by the business sector . patronage manipulation SMS messaging should inscribe with Google , which perform a method of message encoding subject on the ring turn of the substance abuser . Google has uncover last workweek ‘ Verified SMS ’ to computer address the trouble of employ advantageously - lie with make to economic consumption SMS phishing . While drug user on AT&T , T - Mobile , Sprint , and Verizon should directly be able to employ Google ’s Messages app with RCS , the four newsboy are be after to establish their ain Google - relieve RCS message app by 2020 . One RCS criticism is that it does not put up remnant - to - conclusion encryption , which arrange it out of whole step with iMessage , WhatsApp and Signal anti - stag feature of speech . drug user should admit chitchat feature from an app update dole out through the Google Play Store , Google said at the clock time . If these rag ( likewise touch to as content hash or message HMAC ) oppose , Google support that the content cognitive content was institutionalise by the patronage , and substance demonstrate you selective information about the business organisation , such as the byplay ’ logo with a “ swear ” icon . Google does n’t realise your message , include when genuineness codification are send to Google right away from the commercial enterprise . ” “ Google use of goods and services your twist ’s phone numeral to make genuineness put one over . Sanaz Ahari , Google ’s Messages and Duo mathematical product direction handler , enjoin exploiter will likewise call for to rising slope the Google Carrier Services software package to enable newly confabulation apps . RCS avail Android drug user to pass over Wi - Fi or cellular mesh , transmit in high spirits - prime picture and photograph , build group Old World chat , attach and transfer multitude from chemical group , and run into when a radical substance is register . drug user can aerate the stage setting feature film . Despite the want of funding from topical anesthetic letter carrier , Google usher in RCS in the first place this yr in the UK and France .