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SMS Guidelines for San Marino: Best Practices and Compliance

San Marino, a picturesque European nation, has specific SMS communication regulations. This guide covers essential aspects like two-way SMS support, number portability, message length, and compliance considerations. Whether you're a business or an individual, understanding these guidelines is crucial for effective communication in San Marino.

Two-Way SMS Support in San Marino

Two-way SMS communication is not supported in San Marino. You can send SMS messages to users in San Marino, but they cannot reply directly via SMS. Businesses relying on two-way communication should consider alternatives like email or in-app messaging.

Number Portability

Number portability, which allows users to keep their mobile number when switching providers, is not available in San Marino. This limitation affects users wishing to switch carriers without changing their number. Businesses should consider this when managing customer contact lists.

Message Length and Concatenation

San Marino does not support concatenated messages. Messages exceeding the standard SMS character limit will not be split and reassembled. Ensure messages are concise and within the standard SMS character limit for proper delivery.

MMS Support

Multimedia Messaging Service (MMS) is not directly supported in San Marino. MMS sent to San Marino will be converted to an SMS with an embedded URL for the recipient to view the content.

Sending SMS to Landline Numbers

Sending SMS to landline numbers in San Marino is not supported. Attempting to send an SMS to a landline will result in a 400 error with code 21614. The message will not be logged, and your account will not be charged. Verify the destination number is a mobile number before sending.

Compliance Considerations

Compliance with local regulations is crucial when sending SMS messages to San Marino. Consult with legal counsel to ensure compliance with applicable laws. Here are some general best practices:

  1. Get Opt-In Consent: Obtain explicit opt-in consent from users before sending SMS communications, especially for marketing.
  2. Respect Time Zones: Send SMS messages during the recipient's local daytime hours unless urgent.
  3. Support HELP/STOP Messages: Ensure SMS campaigns support standard HELP and STOP commands in the recipient's language.
  4. Avoid Do-Not-Call Registries: Do not contact users listed on do-not-call or do-not-disturb registries.

By following these guidelines, your SMS campaigns in San Marino can be both effective and compliant with local laws.

For more detailed information on SMS regulations, visit the San Marino Telecommunications Authority.