Step 1: Go to your Twilio Account → Ensure that your ‘SID’ and ‘Auth Token’ are in place → Go to ‘Settings’ → ‘Twilio’ → and check if they have the same ‘SID’ and ‘Auth Token’.
Step 3: Go to Manage number → Phone Number → Ensure that webhook URLs are correct. See GIF (since this is just a demo account we don’t have an active number yet