Follow these steps to register your campaign for sending SMS via A2P 10DLC:

1. Log in to your Twilio Console.
   
   
2. Go to Messaging > Regulatory Compliance > A2P 10DLC Registration from the side menu.
   
   
3. Register your brand with The Campaign Registry (TCR) by providing your business information.
   
   
4. Choose your campaign use case, such as:
   
   
   • Marketing
     
     
   • Customer service
     
     
   • Notifications, etc.
     
     
5. Provide a clear and detailed description of your campaign’s messaging purpose, including examples of the messages you plan to send.
   
   
6. Submit the registration and wait for approval.