The DLT (Distributed Ledger Technology) registration process is a mandatory framework introduced by TRAI to regulate and authenticate bulk SMS and voice communications. It helps businesses send messages through a secure, verified pipeline, protecting users from spam and fraud.
To deliver promotional SMS or transactional alerts, every business must complete DLT registration, register headers, and get SMS templates approved on operator platforms like Airtel, Jio, Vodafone, or BSNL.
➡️ If you’re just getting started with SMS marketing, read more about our Transactional SMS Service Provider solutions.
TRAI Compliance
No registration = No SMS delivery. TRAI blocks unregistered communications, so compliance is non-negotiable.
Improved Delivery Rates
DLT-approved headers and templates ensure faster routing and higher SMS deliverability.
Spam-Free Customer Experience
Messaging from verified businesses builds trust and lowers opt-out rates.
Audit-Ready Messaging
Keep all communication documented and traceable through registered templates and entity IDs.
Choose from approved telecom DLT platforms like:
Jio DLT
Vodafone-Idea DLT
BSNL or MTNL DLT
Tip: Select the platform used by your bulk SMS service provider for smoother integration.
Submit:
PAN card
GST certificate
Business license or incorporation proof
Letter of Authorization
After KYC, you’ll receive a unique DLT Entity ID — your official business identity across all platforms.
Create your 6-character header (e.g., ADMBLY, ADMSMS) and submit:
Category: Promotional, Transactional, or Service
Purpose: OTPs, updates, offers, alerts
Proof of brand ownership
➡️ Learn how to select the right Promotional SMS Service strategy for your campaigns.
Submit template text like:
“Dear [NAME], your OTP is [OTP]. Valid for 5 mins. – AdMobily”
Mark it as Transactional or Promotional, include variables, and submit for approval.
Each approved template gets a Template ID, which must be used for every message sent.
💡 Want ready-to-use templates for your business? Check out our Voice OTP Service Provider solution.
Once templates are approved:
Integrate them with your SMPP service or other SMS API platform
Share your Entity ID, Header ID, and Template IDs with your provider
Start sending DLT-compliant messages
| Problem | Solution |
|---|---|
| ❌ Mismatched entity names | Ensure all documents and header submissions use the exact same name |
| ❌ Rejected templates | Avoid emojis, grammar errors, or vague phrases |
| ❌ SMS blocked by operators | Link only approved templates and double-check integration |
| ❌ Incorrect message categories | Tag Transactional/Promotional appropriately based on intent |
| Requirement | Mandatory? |
|---|
| PAN Card + GST Certificate | ✅ Yes |
| Authorized Letter (LOA) | ✅ Yes |
| Trademark Certificate (for brand headers) | ⚠️ Optional but recommended |
| Approved SMS Templates | ✅ Yes |
| Header ID Matching Company Name | ✅ Yes |
An e-commerce platform using our Bulk SMS Text Messaging Services struggled with delivery rates. After DLT onboarding:
90% increase in message deliverability
3x engagement via automated follow-up SMS
100% compliance with TRAI audit
Our platform does more than just SMS delivery—we:
Handle your DLT portal registration
Set up headers and templates
Map approved templates with Auto Dialer, IVR, and WhatsApp
Provide real-time analytics and delivery monitoring
Help with future audits and template updates
Only SMS and voice services require DLT compliance. For WhatsApp campaigns, refer to our WhatsApp Business API Provider services.
One registration syncs across all telecom operators. No need to repeat it.
Transactional: One-time passwords, payment alerts
Promotional: Offers, sales, or marketing
Typically, 2–4 working days, but may vary by operator.
Yes! We offer full support—from documentation to template mapping.
In 2025, every business must treat DLT registration as an essential part of their digital infrastructure. It’s not just a regulatory checkbox—it directly impacts your ability to reach, engage, and retain your customers.
Let AdMobily help you register, integrate, and optimize your DLT workflow without the headaches.
👉 Get Started with DLT Registration Now
or
📞 Talk to Our expert for FREE and ensure 100% SMS compliance.
DLT URL's Mentioned Below
JIO DLT Registration
Airtel DLT Registration
Vodafone DLT Registration
VI DLT Registration
TATA DLT Registration
BSNL DLT Registration
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