VIETNAM REGULATIONS
SMS Regulations
in Vietnam
To ensure compliance and boost campaign success, the companies must follow the regulations and guidelines of the AOT.
SMS Regulations
Why Regulations Matter
To ensure message delivery and avoid legal issues, all businesses, whether local or global, must adhere to national telecom guidelines for SMS. This includes setting up Sender IDs, obtaining opt-in permissions, and following restricted hours for promotional messaging.
Local SMS Regulations
SMS Regulations for Local Companies
- Sender ID in all Vietnamese networks needs to be registered.
- Generic sender ID is not allowed.
- Numeric sender IDs will be rejected.
International SMS Regulations
SMS Regulations
for International Companies
Sender ID in all Vietnamese networks needs to be registered.
Generic sender IDs are not allowed.
For Viettel Network, only approved sender IDs are permitted — generic or shared sender IDs are strictly disallowed.
Numeric sender IDs are rejected entirely by Viettel.
Universal Best Practices
Best Practices for All Senders
Do's
Send only to users who opted in
Include free opt-out methods (link or SMS)
Use HELP/STOP keyword in user’s language
Maintain sender brand consistency
Follow message length limits
Dont's
No political, gambling, or religious content
Don’t message DND-listed numbers
Avoid generic Sender IDs
Never skip Sender ID registration
Don’t send during restricted hours
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