DLT Registration
India's mandatory TRAI registration of business SMS senders and templates to curb spam.
DLT (Distributed Ledger Technology) registration is TRAI's mandatory process for businesses sending SMS in India. You register your entity, your sender headers, and your message templates on a DLT platform. Unregistered business SMS is blocked. A good provider completes DLT registration for you, usually within a day or two.