Managing A2P (Application-to-Person) messaging campaigns can sometimes lead to dialer errors due to carrier rules and daily message limits. But knowing how to resolve these issues quickly ensures your campaigns stay on track.
In this section, we'll walk you through the most common A2P-related errors, what causes them, and the steps you can take to fix them. By understanding these challenges, you'll be better equipped to maintain compliance, manage message volume, and keep your campaigns running smoothly without unnecessary disruptions.
Here's a sample of a rejected campaign:
Regardless of the reason for rejection, it is crucial that you fix any rejected campaigns promptly, otherwise, you will incur the $10 TCR monthly fee. Deleting the rejected campaigns not only avoids unnecessary charges but also helps you maintain a clear record of your active and pending campaigns.
Read more about monthly campaign fees in this guide.
A2P Campaign-specific errors
Error code | Description | Solution |
Error 30007 | Message filtered due to violating carrier guidelines. | Review the message content for compliance with carrier rules. This could involve adjusting the message's wording or content format to align with guidelines. |
Error 30022 | Exceeded the carrier's maximum allowable message rate. | Slow down the message rate or adjust your campaign's pacing to avoid triggering rate limits. Consider automation to stagger messages. |
Error 30023 | Reached the daily message limit set by the carrier. | Hold off on sending additional messages until the following day, or reconsider the volume of your daily outreach to stay within limits. |
Error 30027 | Exceeded T-mobile's daily messaging limit based on Trust Score. | The trust score system limits the number of outbound SMS and MMS segments you can send within 24 hours, resetting at midnight (Pacific US Time).
Read our guide about trust score to know more. |
Error 30034 | Attempting to send messages to the US from an unapproved US 10DLC number. | Ensure that your US 10DLC number is registered with an approved A2P campaign before continuing. Registration is required for compliance with US messaging regulations. |