Legal Requirements for SMS in Singapore

Mobile country code (MCC)

• 525

International dialing prefix

• 65

Major carriers

• MOBILEONE
• Sing Tel
• StarHub

CLiX supported

• Long Code- Yes
• Short Code- Yes
• Sender ID- Fully dynamic. No pre-registration is required.

One-way communication

• Yes

Two-way communication

• Yes, via long code or short code.

Opt-in requirements

• ON keyword must be used to opt-in.

Opt-out requirements

• STOP keyword must be included for customers to opt out of receiving messages.

Message content

Content related to the following is not permitted:

• Religion
• Adult themes
• Race
• Gambling
• Politics

Message format supported

• Unicode - Yes
• Concatenated messages - Yes

Delivery receipts (DLR) supported

• Yes

Useful regulatory links

• Infocomm Development Authority of Singapore - www.ida.gov.sg
• Personal Data Protection Act - www.pdpc.gov.sg

Consumer's Association of Singapore - www.case.org.sg