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Routr is a programmable SIP server (proxy/registrar/location) for building scalable VoIP infrastructure with APIs, multi-tenancy, and Kubernetes-ready deployment.
1.7k stars179 forksMITlast commit Actively maintained
The self-hosted Fonoster alternative
Cloud communications platform offering programmable VoIP/SIP, PBX features, call routing, SIP trunking and APIs/SDKs to build voice-calling applications and telephony workflows, including signaling, media handling, and integrations for developers and businesses.
Alternatives to Fonoster
What replacing Fonoster actually involves
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 1 of 1 shipped a commit in the last six months. Licences in this list: MIT. In exchange you take on hosting, backups and updates yourself.
Browse everything in VoIP / SIP & PBX.
