
Telecom Regulatory Authority of India is discussing a proposal with telecom operators to let users call back 1600-series numbers used by banks and financial institutions. Two industry executives and a government official…
Telecom Regulatory Authority of India is discussing a proposal with telecom operators to let users call back 1600-series numbers used by banks and financial institutions. Two industry executives and a government official said the move aims to improve trust and convenience.

Banks raised concerns that customers cannot return calls on 1600 numbers, creating friction after transaction-related calls. Telecom companies have told Trai allowing inbound calls could hurt revenue from toll-free 1800 numbers.
Trai has advised telcos to submit network diagrams and proposed solutions for detailed discussions. Banks and finance firms must migrate to the 1600 series for transaction and service calls by March 2026 under Trai's mandate.
1600-series numbers were created last year on Trai’s recommendation specifically to let users distinguish legitimate bank calls from fraud. The problem is structural: 1600 numbers are outbound-only, so a missed call forces the customer to independently find the bank’s published helpline, defeating the purpose of a recognisable caller ID. Telecom operators earn recurring revenue from toll-free 1800 numbers, which work inbound and are billed per minute to the business. Allowing callback on 1600 risks cannibalising that revenue stream unless differential pricing or usage limits are agreed. Trai has asked operators to submit network diagrams and proposed solutions. The next formal discussion on feasibility will determine whether this callback feature moves to a consultation paper or gets shelved.
Source: livemint.com
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