IMDA has completed the review and finalised the decision on the proposal for the Full SSIR Regime. IMDA will commence transition from 31 October 2022 and implement the Full SSIR Regime on 31 January 2023. From 31 January 2023, all organisations intending to use alphanumeric Sender IDs in their SMS messages to Singapore mobile users must first register the Sender IDs.
Reservation of Sender IDs will be available from 31 October 2022 onwards.
for more information.