1600 Series Adoption Made Mandatory Starting From Jan 1, 2026
Regulatory guidelines now require the 1600 series for all service and transactional calls
Regulatory Call Identity for Service and Transactional Calls
The 1600 Series is a regulator-mandated voice numbering framework introduced to protect consumers and curb telecom-enabled fraud. It is designed exclusively for service and transactional outbound calls by regulated entities and is supported across Indian telecom providers.
Enable Trusted Communication. Regulatory Confidence.
The 1600 Series enables organisations to operate confidently in a tightening regulatory environment. With DLT-mapped governance, verified call identity, and structured adoption support, the 1600 Series allows enterprises to protect customers, remain audit-ready, and ensure uninterrupted communication whether operating across urban headquarters or scattered branch networks.
Read Full Article1600 Series – Enabling Compliant Business Communication
In a significant move to strengthen consumer protection and prevent telecom-enabled financial fraud, TRAI - along with RBI, IRDAI, SEBI, and PFRDA has mandated the adoption of the 1600 Series for service and transactional outbound calls. Early adoption helps organisations avoid last-minute adoption risks while safeguarding business continuity and compliance.
Read the ArticleIn Focus
1600 Series – Key Features
Protect, Monitor, and Control Email Threats with a Layered Security Platform
Call Identity
Ensures customers can clearly recognise legitimate service and transactional calls.
Verified Headers & Templates
Maps call intent, headers, and templates for traceability and audit readiness.
Framework
Prevents promotional or marketing misuse of service numbers.
Alignment
Designed to meet mandates from TRAI, RBI, IRDAI, SEBI, and PFRDA.
Options
Delivered via SIP Trunk, PRI, or Internet Telephony based on site feasibility.
& Cutover Support
Ensures smooth transition without no or low disrupting live customer communication.
1600 Series – Business Benefits
Reduce Risk. Build Trust. Stay Compliant.
Reduced Regulatory Risk
Aligns service calls with mandated numbering requirements.
Improved Call Acceptance
Recognisable 1600 numbers increase customer trust and probability of pickup rates.
Lower Fraud Exposure
Verified 1600 numbers help prevent spoofing and misuse of service calls.
Audit-Ready Communication
DLT-mapped call traceability supports regulatory reviews and audits.
Seamless Communication
Ensures service continuity during and after adoption without disruption
Stronger Brand Credibility
Positions your organisation as compliant, secure, and customer-first.
Make Every Service & Transactional Call Recognisable and Compliant
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