Requires a fax server to be setup to use.
Fax Server is an app to connect to your server for sending and receiving faxes with the Twilio Programmable Fax API. It can also send and receive SMS/MMS messages with the Twilio SMS API as well as receive messages with the Nexmo SMS API.
Before using this app you need to setup a Fax Server and Twilio account for more information see https://github.com/bludesign/FaxServer