freeswitchFreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device.

FreeSWITCH

FreeSWITCH is a software-defined telecom stack that transforms proprietary telephone switches into versatile, open-source implementations running on any commodity hardware. From Raspberry PI to enterprise servers, it enables digital telecommunications transformation. Combined with SignalWire's cloud platform, it can scale to any size while interconnecting with the outside world.

Key Features

• Hardware Agnostic: Runs on commodity hardware from single-board computers to multi-core servers
• SIP/VoIP Support: Full Voice-over-IP services with SIP protocol and SMS integration
• WebRTC Enabled: Modern real-time communication capabilities for web and app integrations
• Modular Architecture: Extensible design with modules like mod_signalwire for cloud integration
• Cross-Platform: Available on Linux, Windows, macOS, and BSD with multiple installation methods

Use Cases

• PBX Systems: Deploy private branch exchanges without proprietary hardware
• VoIP Provider Services: Build scalable VoIP services with SIP trunking and SMS
• IoT Communication: Enable telephony capabilities on IoT and edge devices
• Cloud Communications: Integrate with SignalWire for serverless application hosting
• Unified Communications: Create comprehensive communication platforms combining voice, video, and messaging

Who Is It For

FreeSWITCH is designed for telecommunications professionals, developers building VoIP applications, enterprises seeking open-source PBX alternatives, and organizations wanting to reduce dependency on proprietary telecom equipment. It serves both small deployments on edge devices and large-scale carrier-grade implementations.