1. Create a Twilio Account and buy a number
Create a Twilio account.
Upgrade your account by adding some funds to your account.
Then click on Buy a number, and find a number you like.
2. Set up Twilio to use This Number Rocks for incoming calls
Set the number call webhook "A CALL COMES IN" to this URL:
https://www.thisnumber.rocks/twilio/incoming. Remember to set the method to HTTP POST. If you have bought a number with SMS enabled, put the same URL in the "A MESSAGE COMES IN" field.
3. Add your Twilio number in your This Number Rocks dashboard