Tech riderRev. 3 Oct 2026
- 1Runs onAPI, Linux, Mac, self-hosted, Windows
- 2CostsFree plan
2 lines stated Written from the maker's own pages: signalwire.com

Overview
FreeSWITCH is ranked #2 of 20 in interactive voice response software on Specifiction. It runs on API, Linux, macOS, Self-hosted, Windows. There is a free plan.
FreeSWITCH plans and pricing
All plansFreeSWITCH Open Source Free Free to download, modify, and run in production Self-hosted · MPL 2.0 · Community support signalwire.com · 3 Oct 2026
SignalWire Platform Not published Start building Cloud-hosted · Programmable layer around FreeSWITCH media engines signalwire.com · 3 Oct 2026
FreeSWITCH Advantage Not published Talk to SignalWire Self-hosted · Commercial modules (G.729A, AMD) · Founder-level support signalwire.com · 3 Oct 2026
Compared on interactive voice response software
- Free plan
- Yessignalwire.com
Facts
- Purpose
- FreeSWITCH is an open-source framework for real-time voice and video that can route calls, bridge video, transcode media, and connect protocols.signalwire.com · 3 Oct 2026
- Use cases
- The maker describes FreeSWITCH as powering carriers, contact centers, and communication products.signalwire.com · 3 Oct 2026
- License
- FreeSWITCH is open source under the MPL license and can be run in production at no cost.signalwire.com · 3 Oct 2026
- Downloads
- A free SignalWire account is required to access FreeSWITCH packages and downloads.signalwire.com · 3 Oct 2026
- Linux support
- The getting-started guide documents installation on Debian and Ubuntu using SignalWire packages or a source build.developer.signalwire.com · 3 Oct 2026
- Call control
- The Event Socket exposes call control, channel management, and the internal event system over TCP to external processes.developer.signalwire.com · 3 Oct 2026
- Integrations
- FreeSWITCH documents integrations through HTTP backends, embedded Lua, Perl, Python, JavaScript and Java, and SignalWire connectivity.developer.signalwire.com · 3 Oct 2026
- SignalWire connectivity
- The mod_signalwire module connects FreeSWITCH to SignalWire for inbound and outbound PSTN calling over a persistent WebSocket session.developer.signalwire.com · 3 Oct 2026
- Commercial modules
- The commercial modules include answering machine detection and licensed G.729 Annex A encoding and decoding for transcoding.developer.signalwire.com · 3 Oct 2026
- Support
- The open-source edition has community support, while SignalWire offers commercial support, hardened builds, and priority patches through FreeSWITCH Pro.signalwire.com · 3 Oct 2026
- Operational requirement
- For self-hosting, the maker says teams should have dedicated resources to maintain on-premises infrastructure.signalwire.com · 3 Oct 2026
- Security controls
- FreeSWITCH supports named IP allow and deny network lists that can be used by SIP profiles and the Event Socket.developer.signalwire.com · 3 Oct 2026
- Maintainer
- SignalWire says it was founded by the original FreeSWITCH creators and is the project's primary maintainer.signalwire.com · 3 Oct 2026
Company
- Founded
- 2006signalwire.com · 28 Sept 2026
Best FreeSWITCH alternatives
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Where it ranks on Specifiction
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Sources
- signalwire.com/developers/freeswitch· checked 3 Oct 2026
- developer.signalwire.com/freeswitch/foundations/getting-started/· checked 3 Oct 2026
- developer.signalwire.com/freeswitch/integration/event-socket/· checked 3 Oct 2026
- developer.signalwire.com/freeswitch/integration/· checked 3 Oct 2026
- developer.signalwire.com/freeswitch/module-reference/commercial-· checked 3 Oct 2026

