The DLT Parameters- FAQ
Q1: What is a message template in DLT?
A message template is a pre-approved SMS content structure that includes fixed and variable text, used for sending bulk or transactional messages under TRAI regulations.
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Q2: How do I add a new template in DLT?
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Log in to your DLT platform (e.g., Jio, Airtel, Vodafone-Idea).
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Navigate to the Content Template section.
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Choose the appropriate template type: Promotional, Service Implicit, Service Explicit, or Transactional.
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Fill in required details and submit for approval.
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Q3: How long does it take to get template approval?
Generally, it takes 24–72 hours, but may vary by TSP and workload.
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Q4: What are common reasons for template rejection?
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Use of promotional language in service templates
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Grammar/spelling errors
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Missing brand name
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Inclusion of special characters like "<" or ">" (not allowed in some categories)
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Q5: Can I edit an approved template?
No. You must create a new template with changes and submit it for approval.
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Q6: What is a Header ID?
A Header ID (also called Sender ID) is the 6-character alphanumeric name that appears as the sender of an SMS (e.g., “TXTSMS”).
Q7: How to add a new Header ID?
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Log in to your DLT account.
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Go to SMS Header > Header Registration.
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Choose the type of communication (Transactional/Promotional/Service).
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Enter the required name and details and submit.
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Q8: Can I register the same Header across all TSPs?
Yes. Once approved by one operator, it gets synced across others.
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Q9: Is there a limit to the number of headers I can register?
There’s no official cap, but operators recommend not exceeding 20 headers per Principal Entity for manageability.
Q10: Can I surrender or delete a Header?
Yes. You can surrender it from the Header Summary section in the portal.
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Q11: What is the PE-TM Chain?
It is the linking of a Principal Entity (PE) with a registered Telemarketer (TM) on the DLT platform, allowing the TM to send messages on the PE’s behalf.
Q12: Why is PE-TM linking required?
Without this chain, your TM cannot use your approved headers or templates to send SMS. It ensures compliance and accountability under TRAI rules.
Q13: How to add a Telemarketer under a PE?
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Log into the PE account.
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Go to Telemarketer Mapping or Manage Telemarketer.
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Enter the TM ID (provided by your SMS service provider).
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Set the scope and submit.
Q14: Can a PE add multiple Telemarketers?
Yes. A PE can map multiple TMs as long as each has a valid DLT registration.
Q15: What if the PE-TM chain is not created?
SMS campaigns will fail to deliver even if headers and templates are approved. The chain is mandatory.
Q16: What is a Consent Template in DLT?
A Consent Template is a predefined message format used by a Principal Entity (PE) to collect customer consent for receiving promotional or service explicit messages. It must clearly explain the purpose and scope of the communication and must be approved on the DLT portal before use.
Q17: Why is the DLT Consent Register important?
The DLT Consent Register is a centralized database where customer consents are recorded and stored securely. As per TRAI regulations, sending Service Explicit or Promotional messages is not allowed without valid consent uploaded and approved via the DLT system.
Q18: How do I register a Consent Template on the DLT platform?
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Log in to your DLT portal account.
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Navigate to the Consent Template section.
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Click “Add New Consent Template”.
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Enter the brand name and consent description (e.g., “I agree to receive offers and updates from XYZ Ltd.”).
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Submit for approval.
Q19: How do I upload customer consents to the DLT Consent Register?
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After your Consent Template is approved, download the CSV format from the portal.
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Add customer details (mobile numbers and consent date) in the specified format.
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Upload the file under the Consent Upload section.
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The system will validate and approve consents after processing.
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Q20: Is customer consent mandatory for all message types?
No. Consent is only mandatory for:
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Promotional Messages
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Service Explicit Messages
It is not required for:
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Transactional Messages
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Service Implicit Messages
However, having a consent trail is still a best practice for transparency and compliance.