‘Tagging or filtering calls from 1600 series not allowed; can block those from 1400 series:’ TRAI

TRAI stated that tagging or blocking 1600 series calls is not permitted. These numbers are reserved for banking and government communications. Promotional calls from 1400 series numbers can be blocked via DND. Customers can register preferences on the DND registry for promotional calls. Any tagging of 1400 series calls is disallowed except for DND blocking.