In India this has been the regulation for several years, and has helped along with the Do Not Disturb (DND) registration by the end user and rules for senders/callers. Anyone sending bulk SMSes, even if the sending is done through a third party provider like AWS from another country/region, will have to register. [1]
The entity, the header, content template (which allows two or three variables/placeholders) need to be registered. A Distributed Ledger (DLT) is used to store these. Ad hoc messages without a registered template are expected to be rejected by the telco.
The entity, the header, content template (which allows two or three variables/placeholders) need to be registered. A Distributed Ledger (DLT) is used to store these. Ad hoc messages without a registered template are expected to be rejected by the telco.
[1]: https://trai.gov.in/advice-to-senders