RCS messaging, or Rich Communication Services, is a modern messaging protocol that increases the capabilities of traditional SMS messages. It allows users to send messages that include multimedia content, such as high-resolution images and videos, as well as provide read receipts, typing indicators, and group chat functionality. RCS is designed to offer a more engaging and interactive messaging experience compared to traditional SMS and MMS. With RCS, users can enjoy a more dynamic and feature-rich messaging experience, similar to popular messaging apps like WhatsApp and iMessage.