The number of mobile phone users able to send and receive Rich Communication Service (RCS) messages (opens in new tab) is set to reach 1. 2 billion by the end of 2022, strengthening the technology’s bid to become a successor to SMS. The mobile messaging market is dominated by over-the-top (OTT) messaging services like WhatsApp and Facebook Messenger, handing significant control to big technology firms and bypassing mobile operators who are suffering from declining revenues.
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