--- title: SMS Campaign Sending Limits and A2P Registration description: How A2P rules and smrtPhone limits affect your SMS campaigns --- [Skip to content](https://helpdesk.inveloapp.com/sms-campaign-sending-limits-and-a2p-registration#main-content) English Show submenu for translations ![Invelo square logo-1.png\]](https://helpdesk.inveloapp.com/hs-fs/hubfs/Invelo%20square%20logo-1.png?height=40&name=Invelo%20square%20logo-1.png) Open main navigation Close main navigation - English Show submenu for translations - [Visit inveloapp.com](https://inveloapp.com/) [Visit inveloapp.com](https://inveloapp.com/) Advice and answers from the Invelo Team - There are no suggestions because the search field is empty. 1. [Invelo's Help Desk](https://helpdesk.inveloapp.com/?hsLang=en) 2. [Integrations](https://helpdesk.inveloapp.com/integrations?hsLang=en) 3. [smrtPhone](https://helpdesk.inveloapp.com/integrations?hsLang=en#smrtphone) # SMS Campaign Sending Limits and A2P Registration ## How A2P rules and smrtPhone limits affect your SMS campaigns If your SMS marketing campaign in Invelo didn’t send successfully, the most likely reason is that the phone number on your smrtPhone account isn’t registered for **A2P 10DLC (Application-to-Person 10-Digit Long Code)**. Because all texting runs through smrtPhone, your sending limits are determined by the registration status and plan you have with smrtPhone—not Invelo. --- #### **Texting Limits in smrtPhone** Here’s how smrtPhone defines the daily limits: - **Without A2P registration:** Up to 200 texts per phone number, per day - **With A2P registration:** - **Low Volume plan:** Up to **6,000 texts/day** across all registered numbers (note: T-Mobile caps this at 2,000) - - **Standard plan:** Up to **200,000 texts/day**, depending on your Trust Score To confirm whether your A2P campaign is active, check the **Trust Center** inside smrtPhone. If you’re unsure about your plan or limits, contact **smrtPhone Support** directly for clarification. --- #### **Next Steps to Get Your Campaign Running** 1. **Complete your A2P 10DLC registration** in smrtPhone. 2. Once registration is confirmed, we can help you **clone and relaunch your SMS campaign** so it sends successfully. 3. As a best practice, add the filter **“Primary phone number is known”** to ensure your campaign only sends SMS to records with a valid phone number. --- #### **Understanding Compliance: Why A2P Registration Matters** It’s natural to feel that the A2P process is complex, especially when it comes to consent requirements. To clarify: - These rules don’t come from Invelo or smrtPhone specifically. - They are part of **federal TCPA (Telephone Consumer Protection Act) regulations**, which apply to **all texting platforms**. #### **What This Means for You** - **Only text leads who have explicitly opted in.** - For prospects who haven’t consented, use **email** or **direct mail** instead. - Update your intake process to gather consent (e.g., through a web form with an opt-in checkbox). 🚨 Ignoring these rules can lead to **hefty fines**—applied per text message. While some investors choose to take the risk, the potential costs are significant. --- #### **Key Takeaway** Invelo and smrtPhone work seamlessly together for campaigns and communication. However, compliance with A2P 10DLC and TCPA regulations is mandatory across all platforms. 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