Quick answer. An RCS-first strategy means defaulting to RCS for customer messaging and using SMS only as the automatic fallback. Every message is built to deliver richly — branded, with media and tap-to-act buttons — to recipients who can receive RCS, and to degrade gracefully to SMS for those who can't, all in one send. Operationally, it means prioritizing your messaging flows by value, designing content that works rich but still makes sense as plain-text fallback, and measuring engagement to keep expanding RCS's share.
The mindset shift is from "we send SMS, maybe we'll try RCS" to "we send the best experience each device supports, RCS by default." As RCS-capable reach keeps growing (projected ~3.8 billion users by end of 2026), an RCS-first program automatically captures more of that richer engagement over time.
Design principle: write messages that shine as rich RCS yet remain clear and compliant as an SMS fallback, so no recipient is left with a broken experience.
Key facts
- RCS-first = RCS by default, SMS as automatic fallback, in a single send.
- Design content to work rich and degrade gracefully to plain-text SMS.
- RCS reach is growing fast (~3.8B users projected by end of 2026, Juniper) — an RCS-first program compounds that gain.