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What is Rich Communication Services (RCS)?

October 4, 2025 · Lillian Kim · 6 min read

Rich Communication Services (RCS) is a next-generation messaging protocol that upgrades traditional SMS by offering a range of interactive and media-rich features. Unlike basic SMS, RCS brings the functionality of modern messaging apps—such as sending high-resolution images, videos, and engaging with interactive elements—directly to your default messaging app. Its aim is to blend the simplicity of texting with the capabilities of apps like WhatsApp and iMessage.