Phone calls from the 1600 number series cannot be blocked, ensuring trustworthy communication, while the DND app can effectively block calls originating from the 140 series.
The clarification comes amid an ongoing dispute with Truecaller
Jul 11, 2026
05:52 pm
What's the storyThe Telecom Regulatory Authority of India (TRAI) has clarified that phone calls originating from the 1600 number series cannot be blocked by any app.
The clarification comes amid an ongoing dispute with caller identification app Truecaller over labeling and identifying calls from this dedicated number series.
Phone calls from 1600 number series cannot be blocked, DND app can block calls from 140 series: TRAI
Phone calls from 1600 number series cannot be blocked as ‘spam’, TRAI clarifies amid row over Truecaller, other apps
Trai pushes back on spam tag for 1600, 140 numbers
Oversight of Trai has hit us: Truecaller
Why Truecaller is taking on TRAI over spam call rules?
Truecaller CEO says 5.25 lakh people flag calls from 1600, 140 series as spam everyday
Truecaller says TRAI attempt to regulate it makes ‘no sense’
TRAI seeks authorisation from MeitY to act against call management apps like Truecaller
Truecaller clashes with India's telecom regulator over anti-spam rules | TechCrunch
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