1. Click on Messaging
2. Click on Regulatory Compliance
3. Click on Campaigns
4. Look for the campaign that you have
5. Click on Connected Messaging Service
6. It will take you to Sender Pool
7. Click on Add Senders
8. Make sure the Sender Type is "Phone Number"
9. Click on Continue
10. Check your Phone Number
11. Click on Add Phone Numbers
12. Number were successfully assigned to the service.…
13. This is how it's going to look
