SMS Guidelines for Cuba

MCC: 368
​Dial Code: 53
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Alphanumeric Sender IDs are supported with registration. Alpha numeric Sender ID registration is required.
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Senders composed of a combination of letters and numbers are not supported.
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Provision times for Alphanumeric Registration up to 6 months.
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Please make sure to always refer to our Acceptable Use Policy for Messaging.
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For more information on Alpha Sender ID registration kindly reach out to alpha_sender_id@telnyx.com.