If your business uses Bulk SMS services in India, DLT Registration is the first and most important compliance requirement. Mandated by TRAI, DLT ensures secure, verified, and spam-free communication. This complete guide explains what DLT is, how it works, why it matters, and why every business using Bulk SMS must register.
DLT (Distributed Ledger Technology) Registration is a blockchain-based verification system that TRAI introduced to regulate business communication. It keeps a secure and transparent record of:
It ensures that only authentic and verified businesses can send promotional, transactional, and service messages.
TRAI made DLT mandatory to protect consumers from:
DLT verifies every sender and message template, ensuring security and complete transparency.
For businesses using Bulk SMS, DLT is necessary; it directly affects message delivery and compliance.
Here’s why DLT matters for Bulk SMS:
Simply put, without DLT, you won’t be able to deliver Bulk SMS.
With proper DLT compliance, your campaigns become smoother, faster, and more reliable.
DLT registration involves three main steps:
Choose a TRAI-approved operator like Airtel, Jio, Vodafone Idea, or BSNL and create your business account.
Submit basic business details such as PAN, GST, and authorized signatory information.
Register your headers (sender names) and upload your message templates for approval.
Once approved, your account becomes active, and you can start sending Bulk SMS using your verified details.
Skipping DLT registration leads to:
For any Bulk SMS campaign to work in India, DLT compliance is mandatory.
Yes, every business sending customer communication must register under TRAI’s DLT system.
Usually 24–72 hours, depending on operator verification.
Airtel, Jio, Vodafone Idea, BSNL, and other TRAI-approved telecom operators.
Yes. Individuals operating as proprietors can register with valid documentation.
To ensure message authenticity, prevent misuse, and reduce fraud or spam.
