SMS Regulations
Why Regulations Matter
For reliable message delivery and to remain legally compliant, businesses—both domestic and international—must follow national SMS regulations. These include registering Sender IDs, securing customer opt-in consent, and respecting restricted hours for promotional communications.
Local SMS Regulations
SMS Regulations for Local Companies
- Dynamic Alphanumeric Sender ID is allowed in all Finnish networks.
- All SMS that contains URL links must be pre-approved prior of messaging end users otherwise your messages will not deliver.
International SMS Regulations
SMS Regulations
for International Companies
Dynamic Alphanumeric Sender ID is allowed in all Finnish networks.
All SMS that contains URL links must be pre-approved prior of messaging end users otherwise your messages will not deliver.
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