The Department of Telecommunications (DoT) has directed telecom operators to implement Calling Name Presentation (CNAP) services nationwide starting November 1. This initiative will enable mobile users to see the caller’s name alongside the phone number on incoming calls.
Telecom providers have already conducted trials of CNAP on wireless terrestrial networks running on 4G and newer technologies. The service will be automatically activated for eligible users without requiring any separate requests. Implementation for 2G, 3G, and public switched telephone networks will be addressed after further assessment.
Under the new system, the caller's name will be integrated into the Calling Line Identification (CLI), which currently displays only the phone number. When a call is received, the recipient’s device will show two fields: the caller’s telephone number and the corresponding name.
If the incoming number is saved in the recipient’s contact list, the stored contact name will continue to appear. For numbers not stored locally, the name registered in the originating telecom operator’s subscriber database will be displayed for domestic calls. Incoming international calls will be labeled simply as “International Call.”
The DoT introduced the CNAP framework in accordance with Rule 48(1) of the Telecommunications (Authorisation for Provision of Principal Telecommunication Services) Rules, 2026. These rules mandate authorized entities to securely present calling line identification and prevent any tampering or spoofing of caller information.
To protect user privacy and maintain network security, telecom operators will be required to adopt a “security-by-design” approach. The guidelines specify that the query-response mechanism used to obtain caller name information should not retain caller identity after the call ends.
Operators must also ensure their networks, databases, and infrastructure are capable of handling CNAP requests efficiently without compromising service quality. This deployment aims to enhance transparency during phone calls and bolster protection against fraudulent or deceptive calls.