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SureM Blog

Insights on business messaging — SMS, MMS, RCS, SMPP, and Voice OTP — across 200+ countries and 800+ carriers.

RCS vs. WhatsApp: How Global Banks and Fintechs Are Enhancing Fraud Prevention & Customer Trust
A2P talk

RCS vs. WhatsApp: How Global Banks and Fintechs Are Enhancing Fraud Prevention & Customer Trust

However, traditional A2P (Application-to-Person) SMS, despite its universal reach, has become an increasingly vulnerable vector for cybercriminals. Smishing (SMS phishing), caller ID spoofing, and SIM swapping attacks have eroded consumer confidence in standard text messages. To mitigate fraud and rebuild customer confidence, leading financial institutions are fundamentally rethinking their enterprise messaging architecture. The answer lies in next-generation rich messaging channels: RCS (Rich Communication Services) and WhatsApp Business API.

October 8, 2026
What is SMPP and Why It Matters for High-Volume Messaging
A2P talk

What is SMPP and Why It Matters for High-Volume Messaging

If you work in business messaging, you have probably come across the term SMPP at some point. It appears in API documentation, carrier agreements, and technical onboarding guides. But for many teams — especially those coming from web development backgrounds — it is not always clear what SMPP actually is, how it differs from a standard HTTP SMS API, or why it matters at scale. This post breaks it down in plain terms.

June 23, 2026