TRAI releases Consultation Paper on ‘Introduction of Calling Name Presentation in Telecommunication Networks’


The Telecom Regulatory Authority of India (TRAI) on 30th November 2022, released a Consultation Paper on ‘Introduction of Calling Name Presentation (CNAP) in Telecommunication Networks’. Written comments on the issues raised in the Consultation Paper are invited from the stakeholders by 27th December 2022 and counter-comments by 10th January 2023.

The comments/ counter-comments may be sent, preferably in electronic form at For any clarification/ information Shri Akhilesh Kumar Trivedi, Advisor (Networks, Spectrum and Licensing), TRAI may be contacted at Telephone Number +91-11-23210481.

The introduction of CNAP facility in telecommunication networks aims to empower subscribers to take an informed decision while receiving an incoming call, and to reduce the harassment of subscribers from unknown/ spam callers; in order to facilitate CNAP feature to all telephone subscribers (smartphone and feature phone owners) in India, telecom network readiness and feasibility need to be explored so that CNAP can be implemented in multitechnology networks across telecom service providers without the need for internet or smartphones/ devices.

CNAP facility requires intertelecom service provider coordination and access to a subscriber’s name during the call flow. Further, DoT requested the Authority to carry out a consultation process to resolve some of the important issues as mentioned below:

  • Inter-service provider subscriber name access mechanism;
  • Modification in the call flow process for inclusion of the subscriber’s name during call completion;
  • Requirement of storage and retrieval of calling party name at terminating network;
  • Technology neutral caller name display facility of the telecommunication subscribers;
  • Internet independent caller name display facility of the telecommunication subscribers; and
  • Delivery of subscriber name to called party without hindering latency of existing call flow mechanism.

This consultation paper is divided into three chapters. Chapter I provides a background of the subject. Chapter II examines the issues related to introduction of CNAP facility in telecommunication networks. Chapter III lists the issues for consultation.

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