Sending messages to many people at once is called Bulk SMS. There are two types of these messages – Promotional and Transactional. To send them correctly, every business must follow the DLT Promotional and Transactional SMS Routes set by the Government of India under Distributed Ledger Technology (DLT).
Kapsystem helps businesses, schools, banks, and online stores understand how to send Bulk SMS properly using DLT. Our smart system makes it quick, legal, and fully compliant with TRAI rules.
👉 Start your DLT Registration with Kapsystem today and send promotional and transactional messages safely and instantly.
What is DLT?
DLT stands for Distributed Ledger Technology. It’s a system made by TRAI (Telecom Regulatory Authority of India) to stop spam and fraud. All SMS senders (businesses, schools, shops, etc.) must register on DLT to send messages to customers.
With Kapsystem, DLT registration becomes super simple. We guide you at every step so your messages go out smoothly and quickly.
What is Promotional SMS?
Promotional SMS means sending offers, sales, or marketing messages. These messages go only to people who have not registered for DND (Do Not Disturb). It is used for advertising your products or services.
Examples of Promotional SMS:
- Buy 1 Get 1 Free Offer at ABC Store!
- Summer Sale Starts Today – 50% Off!
- Visit our new showroom and get discounts!
What is Transactional SMS?
Transactional SMS are used to send important information to customers. These messages can be sent any time, even to DND numbers. It includes alerts, OTPs, passwords, confirmations, etc.
Examples of Transactional SMS:
- Your OTP for login is 456789
- Your order #1234 has been shipped
- Amount of ₹10,000 credited to your bank account
DLT Route for Promotional vs. Transactional SMS
There are two main SMS routes:
| Route Type | Purpose | Allowed Time | Can Send to DND Numbers? |
|---|---|---|---|
| Promotional Route | Marketing and Advertising | 9 AM – 9 PM Only | No |
| Transactional Route | Alerts, OTP, Info | 24×7 | Yes |
DLT Registration Process
Before sending SMS, every sender must do the following on the DLT portal:
- Register as an Entity (Business or Individual)
- Upload your business documents
- Get your Sender ID approved
- Upload your SMS Templates
- Get templates approved
Don’t worry – Kapsystem helps you with all steps. We even help create perfect templates!
How Kapsystem Helps with DLT Routes
Kapsystem is the best choice for sending bulk SMS through DLT. Here’s why:
- Fast DLT registration assistance
- Help to get Sender IDs and templates approved
- Instant delivery of OTPs, alerts, and offers
- Affordable Pricing – only 13 paise per SMS
- 24×7 technical support
DLT Template Examples
All messages must match approved templates. Here are examples:
| Type | Sample Message | Use Case |
|---|---|---|
| Transactional | Dear user, your OTP is {#var#}. Do not share it with anyone. | Login/Signup |
| Promotional | Hurry! Buy 1 Get 1 Free at our store. Visit today! | Sale Promotion |
Who Can Use Bulk SMS with DLT?
Many businesses and groups use DLT-approved Bulk SMS:
- Schools – Buy Bulk SMS for Schools
- Hospitals – Buy SMS for Hospitals
- E-commerce – SMS for Online Orders
- Retail – Bulk SMS for Retailers
- Banks – SMS for Banking Alerts
Why Choose Kapsystem?
Here’s why Kapsystem is India’s favorite SMS company:
- DLT-Approved
- Quick SMS Delivery
- Lowest Price – 13 paise per SMS
- Powerful API for Developers
- Free Trial Available
- Friendly Customer Support
Want to see more? Visit our helpful blogs:
Benefits of Bulk SMS via DLT
When you send SMS using DLT routes with Kapsystem, you get:
- Legal and secure delivery
- More trust from customers
- No spam or fake messages
- Faster message approval
- Easy reports and tracking
Difference Between Promotional and Transactional SMS Routes
Understanding the difference between Promotional and Transactional SMS Routes is crucial for every business before sending messages through DLT.
| Feature | Promotional SMS Route | Transactional SMS Route |
|---|---|---|
| Purpose | Marketing and offers | Alerts, OTPs, updates |
| Delivery Time | 9 AM to 9 PM only | 24×7 (including nights and holidays) |
| DND Delivery | Blocked for DND users | Allowed for all users |
| Message Type | Advertising, discounts, product promotions | Notifications, OTPs, payment or service alerts |
| Approval Need | DLT header and template approval | DLT header and template approval |
| Example | “Big Sale! 50% off today only!” | “Your OTP for login is 456789” |
Tip: If your message contains offers or marketing content, always use the Promotional Route. For OTPs or alerts, choose the Transactional Route to ensure instant delivery.
DLT Compliance Checklist for Businesses
Before you start sending SMS in India, make sure you follow this quick DLT Compliance Checklist to stay 100% legal and compliant with TRAI rules.
1. Register on DLT Portal:
Create an account as a Principal Entity (your business or brand).
2. Upload Business Documents:
Provide PAN, GST, business proof, and an authorized signatory’s ID.
3. Get Header (Sender ID) Approved:
Choose a unique name or number that represents your business identity.
4. Register Message Templates:
Submit SMS templates for both promotional and transactional routes.
5. Map Your Telemarketer:
Add your chosen SMS provider such as Kapsystem for message delivery.
6. Ensure Consent and Opt-Out Options:
Always respect user consent and provide a way to unsubscribe if required.
7. Test Before Going Live:
Use demo credits or test routes to confirm delivery and compliance.
✅ With Kapsystem, you get complete DLT setup assistance from registration to template approval.
Common DLT Errors and How to Fix Them
Even experienced users face DLT issues. Here are the most common DLT errors and how to solve them quickly:
| Error | Cause | Solution |
|---|---|---|
| Template Rejected | Message content didn’t match the registered template | Edit and re-upload with the correct wording |
| Sender ID Pending | Header under review by operator | Wait 24-48 hours or contact DLT support |
| Message Blocked | Sent to DND via promotional route | Switch to Transactional route |
| Invalid Entity ID | Incorrect DLT ID entered | Cross-check Entity ID in your DLT dashboard |
| API Error: 403 Forbidden | Missing authorization or DLT mapping | Recheck API key and map telemarketer (Kapsystem) properly |
💡 Pro Tip: Kapsystem’s support team monitors DLT errors in real time, helping you resolve issues faster and keep your campaigns running smoothly.
DLT Support from Kapsystem
Kapsystem offers step-by-step DLT support:
- Entity registration
- Header (Sender ID) approval
- SMS template creation
- DLT compliance checks
- API integration help
Our team works 24/7 to make Bulk SMS easy for you!
FAQ About DLT Promotional and Transactional SMS Routes
What is DLT in SMS?
DLT is a system to stop spam messages and ensure legal message sending in India.
Why do I need DLT registration?
TRAI requires it. Without DLT, you can’t send bulk SMS to Indian mobile numbers.
Can I send promotional SMS to DND numbers?
No, promotional messages are blocked for DND numbers.
Is there any time limit for sending SMS?
Yes. Promotional SMS is allowed only between 9 AM and 9 PM. Transactional SMS has no time limit.
How much does Bulk SMS cost with Kapsystem?
Only 13 paise per SMS. Affordable and reliable!
What if my template is not approved?
Kapsystem helps you fix and resubmit templates easily.
Can I send OTP using promotional route?
No. OTP must go through transactional route only.
Where can I check Bulk SMS pricing?
Visit our pricing page for latest rates.
Do I need technical knowledge?
No! Kapsystem does all the hard work for you.
Can I get a free trial?
Yes! Try our free trial today!
Sending promotional and transactional messages using DLT is now the law in India. But it doesn’t have to be hard. With Kapsystem, everything is easy and smooth.
We help you register, send messages, manage templates, and connect with customers the right way. Whether you run a school, shop, bank, or website – Kapsystem is your perfect Bulk SMS partner.
Contact Us today to start your DLT Bulk SMS journey!