RCS Message Meaning & Features An RCS message is essentially a text sent using the Rich Communication Services protocol instead of older SMS or MMS formats. The core goal of RCS is to modernize mobile messaging. RCS messages are delivered over the internet, providing users with a wide array of upgraded features. These include typing indicators, read receipts, and high-resolution media sharing. You can also send large files, share your location, and create rich group chats that function ... RCS , or Rich Communication Services, is a messaging protocol used in mobile devices. It improves traditional Short Message Service (SMS) text messaging by enabling users to send and receive higher-quality media while providing features such as read receipts, group chats and typing indicators. RCS was originally developed by the nonprofit GSMA (Global System for Mobile Association) to replace SMS; Google later played a major role in its adoption and standardization across Android devices. RCS ... RCS chats are an upgraded, rich messaging experience that work between Android and iOS devices. Learn how to turn on RCS chats, what features they offer, and how they work with different carriers and regions. This week, Apple announced it would offer RCS support starting in 2024. Here's what that means for the future of chat between iOS and Android devices.