Wireless Watch has always been fairly downbeat about the prospects for Rich Communications Services (RCS), the technology created by the GSMA and now backed by Google, which aimed to provide cellular operators with a weapon against over-the-top voice and messaging. In the face of WhatsApp, Skype and now, of course, lockdown favorite Zoom, it seemed that RCS did not offer sufficiently rich added value to keep users away from OTT options and faithful to cellular network services like Voice over LTE and SMS/MMS. Early deployments did not achieve large user bases compared to Skype; only two countries (Spain and South Korea) offered interworking between users on different networks; several operators launched services and then abandoned them. Even a string of…