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3w ago

DoT Orders Caller Name Display on 4G and 5G Networks From November 1

The measure uses telecom subscriber records to show registered caller names and requires operators to build secure, non‑retained name‑number databases before the rollout.

Spam Calls
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The central government is making caller ID mandatory from November 1, 2026.
FILE PHOTO: Under the new protocol, all incoming domestic calls will display both the caller’s number and name. (REUTERS)

Overview

  • The Department of Telecommunications issued the directive on Tuesday and told operators to enable Calling Name Presentation (CNAP) by default for users on 4G and newer networks from November 1, 2026.
  • Under CNAP, a phone will show the saved contact name first and, for unsaved domestic numbers, the name pulled in real time from the originating operator’s subscriber database.
  • Operators must create and maintain name‑to‑number databases, implement a security‑by‑design query system that does not retain fetched names after a call ends, and set up grievance redressal processes.
  • Calls from subscribers who use Calling Line Identification Restriction (CLIR) will not show names, and businesses may display a verified preferred name only if backed by a registered trademark or a GST trade name that the operator verifies.
  • The move follows TRAI recommendations and recent 4G/5G trials, but experts warn CNAP’s effectiveness will hinge on accurate KYC records and will not by itself stop spoofing, smishing, or other phone fraud.