Regulator Trai tightens spam fighting rules by incorporating artificial intelligence-based detection
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Business Standard
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Regulator Trai tightens spam fighting rules by incorporating artificial intelligence-based detection

The telecommunications regulator Trai updated its regulatory framework on Friday to restrict unsolicited commercial communications (UCC). The changes include the use of artificial intelligence-based suspicious spam detection technologies, as well as the introduction of an appeal mechanism for consumers.

Under the revised rules, telecom operators are obliged to identify numbers that are highly likely to be used for spam distribution and to exchange this information among themselves. If five or more such numbers are recorded from one sender within ten days, further investigation and appropriate measures will follow, including re-KYC checks, physical verification, suspension of outgoing services, and disconnection in case of repeated violations.

Trai also defined Application-to-Person (A2P) calls as calls initiated by an application, software system, or automated platform without direct manual dialing, which includes auto-dialing, robocalls, and pre-recorded or artificial voice technologies. Entities using A2P calls must notify their telecom operator in advance about their usage and the numbers they employ; calls made without such notification will be considered UCC.

A termination fee of up to 5 paise per minute has also been introduced for A2P calls, subject to certain exceptions. Trai (Telecom Regulatory Authority of India) clarified that 'A2P calls made through any number series assigned by the authorities for regulated commercial calls, as well as calls authorized by the authorities, are exempt from the termination fee.'

The amendments also strengthen complaint-based actions. Furthermore, Trai has tightened protection measures against the misuse of content templates and headers, and prohibited call management applications from mass blocking, filtering, or flagging calls as spam from specific series: 140xx, 1600xx, and 1601xx.

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Telemarketing Association requests Anatel review of anti-spam regulations
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tecnoblog.net

Telemarketing Association requests Anatel review of anti-spam regulations

The Brazilian Teleservices Association (ABT), which represents telemarketing companies, sent a letter to the president of Anatel expressing concern about the implementation of anti-spam tools by the regulatory agency. According to the ABT, the guidelines established for call blocking must be reevaluated to improve current criteria. This document was formally sent on September 8th.

Anti-spam tools were introduced with the expectation of preventing excessive and repetitive calls. Vivo, for example, clarifies that its blocks include situations where mass callers are used, which is detected through internal analysis by the operator itself.

Claro also plans to make this service available starting September 13th. Furthermore, TIM may incorporate the anti-spam system, according to information exclusively obtained by Tecnoblog. The ABT proposes several measures in its request, such as expanding dialogue in the sector, promoting meetings between related entities, and conducting a public consultation on the topic. The association also expressed support for STIR/Shaken as a method to define parameters.

The call origin checking method is already in use in Vivo Anti Spam, and Anatel has plans to integrate this technology across its entire network. Regarding the criticisms presented by the ABT to the service, the letter questions whether the economic activity classification of callers should be used as a blocking criterion, as this could lead to generic restrictions impacting 'entire and legitimate sectors.'

The correspondence also contained complaints about automatic activation and the ten-day period granted for analyzing unblocking requests. In the industry's view, this interval is excessive for the 'dynamics of legitimate consumer relationship operations.' The full content of the letter was published by Teletime.

The first anti-spam service released by Anatel was Vivo's, which was in testing since 2024 and officially launched in August of this year. Access to it is free and automatic for postpaid plan subscribers. Vivo informs that it uses 'intelligent algorithms' to determine which callers are considered offensive or not. Filtering occurs as soon as the call enters the network, preventing the phone from ringing. Based on this, the operator builds a 'Restriction List,' considering data from traffic profile, the calls themselves, as well as the National Classification of Economic Activities (CNAE). The company emphasizes that public bodies and essential services are exempt from this restriction.

As of now, there are no details on how the tool will work in other operators. Claro customers received a notification about the service's free nature, but without many details about its operation. TIM also sent SMS messages to some customers, and Tecnoblog confirmed the company's interest in offering the service in Brazil.

By authorizing the functioning of Vivo's anti-spam, Anatel required greater transparency from the operator in disclosing the tool, as well as clear communication. Although the company's website contains information about filtering criteria, it does not specify standards such as the acceptable call volume.

Before the release, more than ten processes were filed with Anatel. One of these cases involved the blocking of about 25 thousand numbers from the Municipal Health Secretariat of São Paulo, which hindered communication with patients and vaccination campaigns. In this specific incident, the block targeted the telecom infrastructure company 3Corp, which provides services to the public body. When questioned by TB, Vivo assured that the restriction does not affect companies 'in compliance with Anti Spam rules.'

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