1. Regulatory focus
CRC Resolution 8308 places Sender IDs, A2P short codes, and message templates inside Colombia’s regulated identification framework. Every A2P SMS must be tied to an assigned and implemented Sender ID, a valid short code, and a template approved by the centralized validator. The template must declare the content category, consent basis, fixed message text, permitted dynamic fields, and any destination URLs or domains. Circular 181, published on September 14, 2026, adds implementation guidance for fraud-prevention education and user interaction.
2. Business impact
The framework changes how international messaging is launched and operated. A brand can no longer submit only corporate documents and a Sender ID; it must make OTP parameters, order references, tracking links, and localized templates auditable as separate fields. Short-code assignees must query identifier and template status through APIs and report detected misuse within 24 hours. Misuse can lead to recovery of the Sender ID or short code, while traffic without a valid template may be rejected before it reaches the mobile network.
3. Operating recommendations
During the transition, create a Colombia-specific template register that links every Sender ID and short code to its message category, consent basis, variable fields, destination domains, and triggering event. Do not reuse one template across transactional, authentication, and promotional purposes. Engineering should support validator-API status checks, pre-send blocking, and version rollback. Compliance should review KYC records, corporate registration data, template validity, and the 24-hour incident-notification workflow each month.