Complete Guide to TRAI’s 2025 Bulk SMS Regulations and DLT Compliance

In 2025, TRAI has introduced new rules that make DLT (Distributed Ledger Technology) registration mandatory for all businesses sending bulk SMS—whether promotional, transactional, or service-related. This blog provides a complete guide to registering on DLT portals, getting your sender IDs and message templates approved, understanding SMS charges, and avoiding penalties. Learn how to stay compliant and run effective, spam-free SMS campaigns under the new TRAI regulations.