SignalWire

SignalWire is a Palo Alto-based company founded in 2017, offering a cloud communication platform that enables developers to integrate voice, messaging, and video capabilities into their applications using real-time APIs. Their primary product, SignalWire CLOUD, built on FreeSWITCH technology, allows for the creation of communications products and applications. They also provide SignalWire STACK, an open-source communications platform, and SignalWire Documentation, a web socket-based protocol for client libraries and real-time call control. SignalWire's mission is to create a global network for secure, standards-based real-time communication, accessible via simple SDKs and programming interfaces. Their products support audio/video applications in mobile browsers, AI bots, PSTN termination, and more, with a fully distributed workforce spanning multiple countries and time zones.