Deploy to Twilio
Head to Twilio and Sign up for a new account.
You can find your Auth Token and Account SID from the Twilio Dashboard and paste them into Dexter.
You’ll need to buy a number from Twilio, but don’t worry, they won’t charge you yet. Go to the Phone Numbers section on the left sidebar.
You can search for specific numbers or area codes, and then just follow the steps to buy.
Setup your number and paste the number in Dexter—make sure to remove all punctuation and add your country code.
Scroll down to the Messaging section and copy the Webhook URL from Dexter into Twilio's A Message Comes In setting with Webhook selected.
When you’re ready to deploy, toggle the Deploy slider on.