The Telecom Regulatory Authority of India (TRAI) has announced a significant update for all telecom operators and businesses using A2P SMS services, scheduled to begin from May 6, 2025.
These changes aim to bring greater transparency and message categorization across all SMS communications.
🔑 Key Changes in TRAI Bulk SMS Regulations
1. Introduction of New Suffix Identifiers in SMS Headers
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A new suffix will be added to all A2P SMS messages to clearly indicate the message type:
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-P → Promotional
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-S → Service
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-T → Transactional
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-G → Government-related
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This suffix will be appended to the SMS Header (Sender ID) for quick message identification.
2. Content-Based Suffix Generation
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The suffix will be determined based on the content template associated with the message.
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Ensures accurate message categorization and compliance with regulatory guidelines.
3. Access Providers to Enhance Header Structure
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Operators like Airtel will implement the new suffix post DLT scrubbing.
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TRAI-exempted headers (typically used by government entities) will be categorized under "-G".
4. Updated CLI Header Logic
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The Caller Line Identification (CLI) logic will now include the respective suffix, making SMS type recognition easier and more standardized across networks.
📲 How to Prepare for the New TRAI Bulk SMS Rules?
To avoid disruptions in your messaging services, businesses must:
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Review and update their existing Sender IDs (Headers).
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Ensure all SMS templates are properly registered and categorized on the DLT platform.
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Work with a reliable and experienced bulk SMS provider for a seamless transition.
🚀 Partner with Arihant IT Solutions for Bulk SMS Compliance
Arihant IT Solutions, a leading bulk SMS and WhatsApp Business API provider, can help your business:
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Manage DLT registrations and template updates.
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Ensure all new header suffix rules are implemented correctly.
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Maintain high delivery rates and full compliance with TRAI regulations.
🔗 Visit Arihant IT Solutions to Learn More
📌 Stay Ready, Stay Compliant!
Prepare your messaging systems today for the new regulatory landscape.
Stay ahead with Arihant IT Solutions — your trusted partner for all bulk SMS and business communication needs.
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📧 Email: sales@arihantitsolutions.com
📞 Call/WhatsApp: +91-9227792266
