The 160 series is a TRAI-mandated numbering framework introduced to bring transparency, security, and trust to business SMS and voice communications in India. With the increasing number of spam calls, phishing messages, and unverified senders, TRAI made it mandatory for enterprises to use the 160 series for commercial communication. These numbers are linked to registered businesses through DLT registration, ensuring sender authenticity and regulatory compliance. The 160 series supports SMS, voice calls, and cloud telephony, and works seamlessly with CNAP (Calling Name Presentation), making it the foundation of compliant enterprise communication in India today.
Key Features of the 160 Series
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TRAI-approved and fully compliant
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Supports SMS, Voice, and Cloud Telephony
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Mandatory DLT registration and template approval
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Works seamlessly with CNAP (Calling Name Presentation)
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Ideal for BFSI, E-commerce, Healthcare, and Enterprises
160 Series vs Regular Numbers
Unlike normal mobile numbers, the 160 series:
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Displays verified business identity
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Cannot be misused for personal or spam calls
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Offers higher delivery and connection rates
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Ensures long-term regulatory compliance
Is Migration to the 160 Series Mandatory?
Yes. As per the latest TRAI guidelines, businesses using bulk SMS, voice calls, or cloud telephony must migrate to 160 series infrastructure to continue uninterrupted communication and avoid penalties or service disruptions.
Benefits of Migrating to the 160 Series
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Higher customer trust and engagement
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Reduced call blocking and spam tagging
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Compliance with TRAI, DLT, and CNAP mandates
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Future-ready communication infrastructure
Final Thoughts
The 160 series is not just a regulation—it’s the future of trusted business communication in India. Enterprises that migrate early gain better deliverability, improved brand credibility, and long-term compliance. Choosing a VNO-licensed CPaaS provider ensures a smooth and secure transition to the 160 series ecosystem.

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