BULGARIA REGULATIONS
SMS Regulations
in Bulgaria
To ensure compliance and boost campaign success, the companies must follow the regulations and guidelines of the CRC.
SMS Regulations
Why Regulations Matter
To guarantee message delivery and prevent legal complications, all businesses—local or international—must follow national telecom regulations for SMS. This involves registering Sender IDs, securing opt-in consent, and adhering to permitted hours for promotional messages.
Local SMS Regulations
SMS Regulations for Local Companies
- Pre-registered Alphanumeric is allowed in all Bulgarian networks.
- If the sender id is not registered, then it will be overwritten to Generic SenderID, upon availability.
- For A1 network, a signed declaration is needed which will be provided upon request
International SMS Regulations
SMS Regulations
for International Companies
Dynamic Alphanumeric Sender id is allowed in all Bulgarian Networks except in Vivacom/A1.
To register in Vivacom/A1, we require Sender ID, Company Name, Website, and Message Content.
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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