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    Official Guide

    Troubleshooting SMS Delivery

    Fix common text message sending errors and ensure high deliverability.

    1. Check A2P Status

    • 1. Ensure your A2P 10DLC registration is fully 'Approved' in the Trust Center.
    • 2. Unregistered traffic is heavily filtered by carriers.
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    2. Review Error Codes

    • 1. Go to Conversations and check the failed message.
    • 2. Hover over the red error icon to see the specific carrier error code (e.g., 30007).
    • 3. Adjust your message content or recipient list based on the error.
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    • Tags: sms delivery, failed message, text error, carrier filtering

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