TL;DR — Executive Summary
A comprehensive analysis of the risks of routing corporate user data across gray lines not authorized by Brazilian mobile carriers.
Corporate messaging requires choosing the right carrier routes. Utilizing unofficial channels called "gray routes" or "SIM Farms" introduces massive delivery failures and legal liability under Brazilian law.
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Technical Performance Details
- Tier-1 Routes (Official): Direct pipelines with national carriers (Vivo, Claro, TIM, Oi). Expect 99% delivery rates, secure processing, and true status logs.
- Gray Routes (SIM Farms): Unauthorized chips configured in local modems. Instable traffic, spam-filters blocks, and zero security.
LGPD Vulnerabilities
Routing customer personal phone numbers or security OTP codes over unofficial gray channels represents a data processing violation under LGPD regulations, risking audits by the ANPD.
Review data security parameters on Compliance LGPD and learn about SMS tools on SMS API.
Rafael Costa
CEO, Bulk SMS
Senior specialist in mobile telecommunications infrastructure, high-performance enterprise messaging, and LGPD compliance for smart communication platforms and APIs in Brazil.