RCS Business Messaging in Korea
Official RCS Business Messaging operator for SKT, KT, and LG U+ — verified brand channels, chatbots, carousels, and TrustMark, with automatic SMS fallback.
What is RCS Business Messaging?
RCS (Rich Communication Services) is the next-generation messaging standard that enhances traditional SMS with images, videos, carousels, buttons, verified business profiles, and read receipts.
Businesses use RCS to create app-like customer experiences directly in the native messaging application without requiring customers to install an additional app. In South Korea, RCS is supported across SKT, KT, and LG U+ networks on compatible Android handsets.
RCS Business Messaging (RBM) is the enterprise application of Rich Communication Services (RCS), enabling brands to deliver verified, interactive, and media-rich customer experiences directly through compatible messaging applications.
Why businesses choose RCS
Service overview
SureM is an official RCS Business Messaging operator for SKT, KT, and LG U+ in South Korea, supporting brand channels, chatbots, carousels, and TrustMark deployments.
RCS vs SMS vs WhatsApp
| Feature | SMS | RCS | |
|---|---|---|---|
| Images |  |  |  |
| Buttons |  | | |
| Brand verification | | | |
| Native messaging app | | | |
| App installation | No | No | Yes |
Business impact
RCS improves how customers receive and act on branded messages.
Actual performance figures are used only where independently verifiable.RCS + SMS fallback
When an RCS message cannot be delivered — due to handset incompatibility, carrier limitations, or network conditions — SureM automatically falls back to SMS delivery. This ensures the message reaches the recipient regardless of RCS availability, without additional integration work on the client side.
RCS customer journey
Industries
Retail
Finance
Logistics
Healthcare
Travel
Education
Government
Hospitality
Automotive
SaaSFrequently asked questions
RCS (Rich Communication Services) is the next-generation messaging standard that enhances traditional SMS with images, videos, carousels, buttons, verified business profiles, and read receipts. RCS Business Messaging (RBM) is its enterprise application, enabling brands to deliver verified, interactive, media-rich customer experiences directly through compatible messaging applications — without customers installing a separate app.
Yes. SureM is an official RCS Business Messaging operator for SKT, KT, and LG U+ in South Korea, supporting brand channels, chatbots, carousels, and TrustMark deployments.
When an RCS message cannot be delivered — due to handset incompatibility, carrier limitations, or network conditions — SureM automatically falls back to SMS delivery, so the message reaches the recipient without additional integration work on the client side.
RCS is supported across SKT, KT, and LG U+ networks on compatible Android handsets.
RCS adds rich cards, buttons, and brand verification to the native messaging app without an app install; SMS is universal but text-only; WhatsApp is rich and interactive but requires the app to be installed.
Related
Bring branded RCS to your Korean customers
SureM is a Korea-based business messaging infrastructure provider with 26 years of experience. SureM helps global messaging partners, foreign-invested companies in Korea, and Korean enterprises deliver SMS, LMS, MMS, RCS, Kakao, WhatsApp Business, Voice OTP, and international messages through reliable local network connectivity and global messaging reach.