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Singapore SMS messaging regulations and restrictions

Before you start sending SMS messages to Singapore, please ensure you understand the regulations around SMS messaging in this country.

All programs are required to be compliant with the regulations outlined in The Spam Control Act 2007 developed by the Infocomm Development Authority of Singapore (IDA) and the Attorney-General's Chambers of Singapore (AGC). Non-compliant messages may be blocked and filtered by major carrier networks like M1 and Singtel.

From 31 January 2023, all organizations that wish to send SMS messages with alphanumeric Sender IDs must first register their Sender IDs with the SSIR (Singapore SMS Sender ID Registry).

Restriction Description
DND exists No
Time restrictions No
International vs local split No
Local traffic N/A
International traffic N/A
General content restrictions Religious content, gambling, adult, political and content relating to money lending is not allowed.      
Content registration required No
Opt-out instructions required Users must opt-in to your service. Unsolicited messages are subject to damages and fines as described in the Spam Control Act 2007. Marketing messages can be sent only after explicit opt-in consent is received for your service. Users on the Do Not Call registry should not be contacted.
Sender ID regulations

From 31 January 2023, all organizations that wish to send SMS messages with alphanumeric Sender IDs must first register their Sender IDs with the SSIR (Singapore SMS Sender ID Registry).

Only registered Sender IDs will reach Singapore users, and non-registered Sender IDs will be channeled to a Sender ID bearing the name “Likely-SCAM” for a transitionary period of around 6 months (till the end of July 2023). After this transitionary period, these SMS will be blocked.

Refer to the https://www.sgnic.sg/smsregistry/rules-of-registration for Sender ID rules.

Sender ID documentation required The following site has an overview of how you can register your alphanumeric Sender ID: https://www.sgnic.sg/smsregistry/overview
Country supports MNP Yes

 

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