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FusionPBX vs FreeSWITCH: catalog facts
FusionPBX	FreeSWITCH
Free Free to download and run on your own server.	Free Free source code; commercially supported builds and professional services are available.
Web, Self-hosted	Windows, macOS, Linux, Self-hosted
Multi-tenant PBX managed from a web interface Covers call center, fax, voicemail and conferencing	Runs on hardware from a Raspberry Pi to multi-core servers Handles voice, video and chat
Requires running and maintaining your own FreeSWITCH server Aimed at administrators with telephony knowledge	Distributed mainly as source code to build Requires telephony and server administration knowledge
Self-hosted	Self-hosted
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.