RestComm is a carrier-grade open source platform that provides developers the tools to integrate fax, voice, and SMS functionality in to their own applications with ease. RestComm is designed to have 100% compatibility with Twilio's APIs allowing easy porting between platforms. Furthermore, the RestComm platform is built on top of the industry leading Mobicents Sip Servlet Container and Mobicents Media Server providing the robustness and performance these platforms are already known to deliver