India, July 15 -- The Cellular Operators Association of India (COAI), as the apex industry body representing Digital Communications Services in the country, confirmed that all Telecom Service Providers (TSPs) have successfully implemented the SMS header suffix system. This categorises messages into Promotional ('P'), Service-related ('S'), Transactional ('T'), and Government ('G') types, as mandated under the Telecom Commercial Communication Customer Preference Regulations (TCCCPR), following the amendment dated 12th February 2025.

Lt Gen SP Kochhar, Director General, COAI further added that this implementation marks a significant step forward in enhancing transparency and consumer protection. By allowing subscribers to easily identify t...