RCS
RCS (Rich Communication Services) is the messaging protocol meant to succeed SMS, with read receipts, typing indicators and rich content.
Definition
RCS (Rich Communication Services) is the messaging protocol meant to succeed SMS, with read receipts, typing indicators and rich content.
In detail
RCS brings to the phone's native messaging the features people know from messaging apps: read receipts, a "typing" indicator, large file transfers and richer group chats.
Unlike SMS, RCS needs a data connection and support on both sides: from the handset, the messaging app and the operator. When any of those is missing, the conversation automatically falls back to SMS — which is why SMS remains the universal lowest common denominator.
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