India launches CNAP service to display caller names on incoming calls

India's telecom regulator has introduced the Calling Name Presentation (CNAP) service, a caller identification system designed to enhance transparency in voice communications. Starting November 1, incoming calls will display the registered name associated with the caller's number, allowing recipients to verify the legitimacy of incoming calls before answering.

The CNAP system works by cross-referencing incoming phone numbers with telecom operators' subscriber databases. When a call is received, the system retrieves the registered name of the caller and displays it on the recipient's handset alongside the phone number. This process occurs automatically and requires no action from subscribers to activate the service.

Telecom operators have been instructed to ensure all voice calls—whether from landlines, mobile phones, or enterprise communication systems—display caller names where registration data is available. However, the system's effectiveness depends on the accuracy of information in operator databases and may not display names for unregistered numbers or calls from outside India.

While CNAP is presented as a scam prevention measure, its limitations should be noted. Fraudsters may still manipulate caller identity information through spoofing techniques, and the system cannot completely eliminate fraudulent calls. Additionally, calls from unregistered numbers or certain business communications may still appear without identifying information, requiring subscribers to maintain caution when answering unknown calls.

The service represents a step toward improving call transparency in India's telecom ecosystem, though experts emphasize that users should combine CNAP information with other fraud detection practices for comprehensive protection against telephone-based scams.