DLT Registration Mandatory for SMS Services in india
Distributed Ledger Technology (DLT) is a block-chain based registration system. According to TRAI (Telecom Regulatory Authority of India), telemarketers have to be registered in the DLT platform.
It is being issued in the public interest to control the SMS spam from various marketing firms. Earlier the bulk SMS providers were required to register with TRAI. With the updated rules, whoever wants to send promotional or transactional SMS to their customers needs to be DLT registered.
12k+ Active users across India.
Bulk SMS
RCS Messaging
Voice Solutions
Chatbot
Email Solutions
Truecaller Business Messaging
Whatsapp Business API
What is DLT Registration and Why Does It Matter?
DLT (Distributed Ledger Technology) is a system introduced by telecom operators to clean up the SMS ecosystem. In simple terms, it uses blockchain to make sure only verified businesses can send bulk messages. The goal is straightforward — reduce spam, prevent fraud, and make communication more trustworthy for users. In India, under TRAI guidelines, any business sending SMS (whether it’s offers, OTPs, or updates) must complete DLT registration. There’s no workaround here — it’s mandatory.
Why DLT Registration Is Important
If you’re using SMS to talk to customers, DLT isn’t optional — it directly affects whether your messages even reach them.
1. Your messages won’t get blocked
Without DLT approval, telecom operators can stop your SMS before it reaches users.
Example: A bank sending OTPs could face delivery failures if it’s not registered.
3. You stay on the right side of regulations
DLT isn’t just a best practice — it’s a legal requirement under TRAI for all business messaging.
2. Your communication looks genuine
Every message template gets approved in advance, which adds a layer of credibility.
Example: A retail brand sending “Flat 50% Off” feels more trustworthy when it’s verified.
4. You get consistent delivery
Only registered businesses are allowed to send SMS through telecom networks, which means fewer disruptions and better reach.
Steps To Register on DLT Platform
Getting started with DLT registration might sound technical, but it’s actually a straightforward process when broken down step by step. To ensure your SMS campaigns run smoothly and stay compliant with TRAI regulations, you need to complete a few key registrations on the DLT platform.
Follow the steps below to register your business, set up your sender IDs, and get your message templates approved — so your messages reach customers without any interruptions.
Step 4: DLT Platform Templates Registered
Once your template gets approve from DLT platform. Require all the approved template in Excel format, Kindly Email us all the approved templates as per given excel format. Email: [email protected]
Our Business Statistics
DLT Priority Support
Get your DLT Account, Headers and Templates Activated with ease.
Our DLT Support Champions will ensure smooth transition from Non-DLT to DLT based systems.
DLT ACCOUNT APPROVAL AND ACTIVATION: Full End-to-End Support to get your DLT Account Activated along with Headers and Templates.
HEADERS AND TEMPLATES APPROVALS: Our DLT Support Champions helps you in formatting submitting the Headers and Templates as per requirement.
Changes as per Regulations
| Pre DLT | Post DLT | Remarks | |
|---|---|---|---|
| Customer Consent | No | Yes | Verifiable digital records of all customer opt-ins are made available on the platform. Customers can also see all their consents on a single dashboard |
| Customer Preferences | Yes | Yes | Consumers can also select specific day(s) and time band to block (or) receive. commercial communication in addition to type of category; viz only DND |
| Entity/Enterprise Registration | No | Yes | Entity need to register with originating access provider (OAP) on the platform |
| Telemarketer Registration | Yes | Yes | Telemarketer should now register with originating access provider (OAP) and no longer with TRAI |
| Header Registration | No | Yes | Entity should register all its SMS Headers and Voice CLIs on the platform |
| Type of Messages | Transactional | Transactional | Every template should be registered under one of these classifications: Promotional, Transactional or Service (Implicit or Explicit) |
| Promotional | Promotional | ||
| Govt | Service (Inferred Consent) | Government messages are classified under Service category | |
| Service (Explicit Consent) | |||
| Scrubbing | Yes (only DND Check for Promotional SMS) | Yes (Promotional & Service Explicit) | Messages will be scrubbed against multiple parameters like Consent, Preference, Header, Template; and not just DND list |
| Complaint Management | Yes | Yes | Telecom operators will now be responsible for complaint resolution |
| Interoperability between telecom Service Providers | No | Yes | Registration details of Entity, Telemarketer, Header, Template will be shared across the network to ensure seamless view |
| 100% Traceability | No | Yes | Everything is recorded and shared on the network using Blockchain technology. |
| Delivery Report | Yes | No | Delivery status for promotional messages will not be available post DLT. |
| 1. Promotional Traffic | |||
| 2. Transactional Traffic | Yes | Yes | Delivery status for transactional messages will continue to be available post DLT. |
Complete Your DLT Registration Without Delays
Register your business, headers, and templates easily with DGAS Skyworld’s expert support.
Trusted by Government Organizations and Leading Businesses Across India
From government projects to enterprise communication, DGAS Skyworld powers reliable messaging solutions.
DLT Registration FAQs
Is DLT registration required?
Yes, DLT registration is compulsory for all businesses, companies, resellers, and telemarketers in India.
- If you want to send SMS (offers, OTPs, updates), you must register as an Entity.
- If you want to sell SMS services (like bulk SMS), you must register as a Telemarketer.
Is there any cost for DLT registration?
- Entity registration is usually free on some platforms like Videocon (Ping Connect).
- Telemarketer registration costs around ₹5,000 + GST across operators like Airtel, Jio, and Vodafone Idea.
What are the steps for DLT registration?
There are 4 main steps:
- Register your business (Entity registration)
- Register your Sender ID (Header)
- Register consent templates
- Register message content templates
Do I need to register with TRAI?
No, you don’t register directly with TRAI. You need to register on DLT platforms provided by telecom operators like Airtel, Jio, Vodafone Idea, BSNL, etc.
Sender ID
How do I register a Sender ID?
Each telecom operator has its own process. You need to follow their guidelines to register your Sender ID on the DLT platform.
What to do after Sender ID approval?
Once your Sender ID is approved, you can start sending SMS. If it still doesn’t work after 24 hours, contact your SMS provider for support.
What if my Sender ID doesn’t match my company name?
You need to upload proof showing the connection between your company name and Sender ID. After verification, it can get approved.
Consent
How to register a consent template?
The process depends on the operator you choose. You need to follow their steps to get approval.
Can I send messages without consent registration?
No. You must register a consent template before sending promotional messages to new users.
How long is consent valid?
Consent is valid for 12 months from the approval date.
Content Templates
How to register message templates?
You need to submit your SMS content for approval on the DLT platform. Once approved, you can use it for sending messages.
General Questions
Is DLT complete after getting Entity ID?
No. After getting your Entity ID, you still need to:
- Add Sender ID (Header)
- Register templates
- Connect with a telemarketer
Can I send SMS without DLT registration?
No. Messages sent without DLT approval will be blocked by telecom operators.
What if I don’t receive my Entity ID?
Check these first:
- OTP verification is completed
- Email verification is done
If everything is correct, contact your telecom operator’s support team with your application details.
Can I send messages for any business category?
No. You can only send messages related to your registered business category.
Payments
What payment methods are available?
- Online: Debit card, credit card, net banking
- Offline: Cheque or Demand Draft
How long is telemarketer registration valid?
It is valid for 5 years. Renewal charges may apply later.
CTA Whitelisting
What is CTA whitelisting?
It means registering your links, phone numbers, or call-to-action details on DLT before using them in SMS.
Why is it important?
It helps reduce spam and ensures only approved links are sent to users.
What happens if I don’t whitelist CTAs?
Your SMS will be rejected by telecom operators.
Are short URLs allowed?
Yes, but only with proper approval.
Also:
- Only domain-based URLs are allowed (not IP addresses)
- Subdomains must be registered separately
- Dynamic URLs should end with a “?”