Legal Requirements for SMS in Thailand

Mobile country code (MCC)

• 520

International dialing prefix:

• 66

Major carriers:

• AIS GSM
• TOT Mobile
• DTAC
• True Move

CLiX supported:

• Long Code - Yes
• Short Code - No
• Sender ID - Fixed Alpha. Preregistration is required.

One-way communication - Yes

Two-way communication - Yes (via long code)

Opt-in requirements - Subscribers should opt-in to receive messages.

Opt-out requirements - The STOP keyword must be included for customers to opt out of receiving messages.

Message content

Content related to the following is not permitted:

• Religious
• Adult
• Racial
• Gambling/Betting
• Charity

Message format supported:

• Unicode - Yes
• Concatenated messages - Yes

Delivery receipts (DLR) supported - Yes

Useful regulatory links:

• The National Telecommunications Commission - www.nbtc.go.th