Vietnam SMS Laws And Regulations
Before sending SMS messages to any international destination, please familiarize yourself with the local messaging regulations. All programs must comply with applicable laws in the target country. If you’re unsure about any regulations, please contact our support team for clarification.
| Feature | Description |
|---|---|
| International SMS prefix | +84 |
| General Content Restrictions | • Adult, gambling, sportsbooks, charitable services, and voting content are not allowed. • Content must be whitelisted for optimal delivery. • Messages containing URLs, WhatsApp/LINE chat links, and phone numbers in the body are not allowed. • Sending firearms, gambling, adult content, money/loan, political, religious, controlled substance, cannabis, and alcohol-related content is strictly prohibited. |
| Sender ID Regulations | • Sender ID pre-registration is required as operators filter heavily. • Sender ID must be the company name, or proof of trademark ownership of the brand name is required. • Avoid sender IDs with generic wording, e.g., WEB2SMS. • Telco regulation supports OTP and transactional messages only. • Brand name must be included in message content and must match the sender ID. • URL for the OTP authentication must be included in the message content. Example: [Clickatell] Your OTP code for Clickatell.com.vn is 32109. |
| Sender ID Documentation Required | Yes. The person who signs the authorization letter must be the person named in the business license. Otherwise, there must be an authorization letter from the person named in the business license to the person who signs the authorization letter. |
| Shortcode Availability | Not available |
| Number Portability | Yes |
| Opt-in Requirements | N/A |
| Opt-out Requirements | No |
| DND Exists | No |
| Time Restrictions | Sending marketing and promotional messages between 8 PM to 8 AM is prohibited. |
| Local Traffic | N/A |
Please note: It is essential to recognize that these regulations can change without notice, and it is the customer’s responsibility to stay up to date with any changes. If you have further questions or need clarification, do not hesitate to contact our support team.
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