What is TRAI Proposing?
The latest move from TRAI involves seeking powers under the Information Technology (IT) Act to take action against third-party caller ID applications like Truecaller, Hiya, and Whoscall. The regulator's primary concern is that these apps are incorrectly
tagging and blocking legitimate commercial calls, specifically those from the government-designated 140 and 1600 number series, which are used for promotional and transactional messages like bank alerts and delivery updates. At present, TRAI can't directly penalise these apps because they are classified as 'intermediaries' under the IT Act, not telecom licensees. By gaining authority under the IT Act, TRAI aims to enforce compliance and prevent these apps from disrupting essential business and government communications.
The War on Unsolicited Calls
This regulatory push isn't happening in a vacuum. India has long been one of the countries most affected by unsolicited commercial communication (UCC), a category that includes everything from telemarketing to outright fraudulent scam calls. To combat this, TRAI has established strict rules, including the Telecom Commercial Communications Customer Preference Regulations (TCCCPR), which mandate that businesses obtain explicit user consent before making marketing calls and use designated number series. However, many spammers and fraudsters simply use regular 10-digit mobile numbers, making them difficult to distinguish from genuine callers. This is the gap that third-party apps have aimed to fill, but their methods have now drawn regulatory scrutiny.
How Apps Like Truecaller Work
Apps such as Truecaller have become immensely popular by providing a solution to the unknown number problem. They primarily function using a massive, crowdsourced database. When a user installs the app, it often uploads their contact list to its servers. This allows the app to identify callers even if they aren't in your personal phonebook, by matching the incoming number against millions of user-saved entries. They also rely on community reporting, where users can manually tag a number as 'spam'. If enough users flag a number, it gets added to a global blocklist, protecting other users from receiving calls from that number in the future. While effective, this crowdsourced model is what concerns TRAI, as it can lead to legitimate numbers being incorrectly and broadly blocked.
A Native Solution: The CNAP Proposal
Alongside its push to regulate apps, TRAI has also been developing its own alternative: a network-level feature called Calling Name Presentation (CNAP). Unlike third-party apps, CNAP would display the caller's name as it appears on their official KYC (Know Your Customer) documents submitted when they acquired their SIM card. This information would be pulled directly from the telecom operators' databases, making it a verified, rather than crowdsourced, caller ID system. The goal of CNAP is to eliminate the ambiguity of unknown numbers and make it significantly harder for fraudsters to impersonate legitimate entities like banks or government agencies. Trials for the service have been ongoing, with a wider rollout anticipated.
The Road Ahead: Privacy vs. Protection
The dual approach from TRAI highlights a central tension in the fight against spam: balancing consumer protection with user privacy and operational feasibility. The move to regulate apps like Truecaller is intended to protect legitimate business communication, but it also raises questions about the future of services millions rely on. On the other hand, the proposed CNAP system offers a more authoritative solution but comes with its own challenges, including privacy concerns about displaying KYC-registered names, technical hurdles for older 2G/3G networks, and the potential for increased call setup times. Industry players have noted the significant costs and infrastructure changes required, arguing that app-based solutions might still be more efficient.


















