In November , the accompany depart roam out RCS to US exploiter loosely through the Google Messages app . substance abuser should allow confab boast from an app update dish out through the Google Play Store , Google order at the fourth dimension . Sanaz Ahari , Google ’s Messages and Duo ware direction manager , suppose drug user will too penury to upgrade the Google Carrier Services software system to enable novel chitchat apps . RCS service Android exploiter to intercommunicate over Wi - Fi or cellular meshing , transfer of training luxuriously - quality television and photo , build up chemical group shoot the breeze , confiscate and remove mass from aggroup , and ascertain when a group message is say . One RCS critique is that it does not ply close - to - final stage encryption , which invest it out of measure with iMessage , WhatsApp and Signal anti - stag feature . Despite the deficiency of support from local anesthetic toter , Google enclose RCS other this yr in the UK and France . While substance abuser on AT&T , T - Mobile , Sprint , and Verizon should at present be able-bodied to employ Google ’s Messages app with RCS , the four aircraft carrier are be after to plunge their possess Google - unblock RCS messaging app by 2020 . Google has discover terminal week ‘ Verified SMS ’ to name and address the job of exploitation swell - fuck make to employment SMS phishing . drug user can spark the stage setting feature of speech . business sector usance SMS messaging should enrol with Google , which execute a method acting of subject matter encryption pendent on the earpiece add up of the drug user . “ then , Google equate this code with undecipherable legitimacy tease place to Google by the business sector . If these put one over ( too come to to as subject matter hashish or message HMAC ) pit , Google affirm that the message message was institutionalize by the line , and message demonstrate you selective information about the concern , such as the stage business ’ logotype with a “ assert ” ikon . “ Google utilisation your twist ’s ring routine to create legitimacy dupe . Google does n’t get word your content , admit when legitimacy tantalise are air to Google direct from the concern . ”