TRAI clarifies rules for 1600 and 140-series numbers regarding blocking and filtering
According to TRAI, caller ID applications are restricted from filtering or labeling calls originating from 140 and 1600-series numbers. Furthermore, the regulator stated that 1600-series numbers are entirely exempt from being blocked. While 1600-series digits are reserved for transactional and service-related communications by banks, financial firms, and government agencies, 140-series numbers are specifically designated for promotional telemarketing calls.
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