New Delhi, Nov. 20 -- The Telecom Regulatory Authority of India (Trai) recently issued a direction requiring all companies regulated by the Securities and Exchange Board of India (Sebi), the Reserve Bank of India (RBI), and the Pension Fund Regulatory and Development Authority (PFRDA) to complete the adoption of the '1600' number series by the specified dates.

The aim of this direction is to enhance consumer trust, curb spam, and prevent fraudulent activities perpetrated through voice calls.

In response to Trai's regulatory initiative, the '1600' number series has been assigned by the Department of Telecommunications for allocation to entities in the Banking, Financial Services and Insurance (BFSI) sector and government organisations to...