When registering your OTP (One-Time Password) templates on the DLT (Distributed Ledger Technology) portal, choose the Service Implicit category. This ensures your OTP messages are correctly classified and delivered seamlessly, even to users on the DND (Do Not Disturb) list, as per TRAI (Telecom Regulatory Authority of India) guidelines.
Why Service Implicit for OTP Templates? #
- Nature of OTPs: OTPs are critical, time-sensitive messages (e.g., “Your OTP is 123456, valid for 5 minutes”) that don’t require explicit user opt-in. Consent is implied when a user initiates an action like logging in or making a transaction.
- Delivery Advantage: Service Implicit messages are exempt from DND restrictions, guaranteeing they reach all recipients—essential for authentication workflows.
- DLT Compliance: Selecting this category aligns with TRAI’s rules for transactional SMS, avoiding delivery failures or rejections.
How to Register on the DLT Portal: #
- Log in to your DLT platform account (provided by your telecom operator).
- Navigate to the template registration section.
- Create your OTP template (e.g., “Your OTP for [service] is {OTP}. Valid for {time}.”).
- Under the category dropdown, select Service Implicit.
- Submit for approval.
Check out DLT Registration Guide for more information.
Pro Tip: #
Avoid registering OTP templates under Service Explicit or Promotional SMS categories, as these are meant for opt-in updates or marketing messages and won’t deliver to DND numbers without explicit consent. Stick to Service Implicit to keep your OTP flow smooth and compliant!
Need more help with DLT registration? Explore our resources or log in to SMSGatewayCenter to integrate your approved templates with our Generate OTP API today!