FreeSWITCH is an open-source software-defined telecom stack for building VoIP and real-time communication services with SIP and WebRTC support.
5.1k stars1.8k forkslast commit Actively maintained
4 self-hosted PortaSwitch (PortaOne) alternatives
Cloud-based OSS/BSS and billing platform for VoIP and telecom operators. Provides call and message rating, billing and invoicing, customer self-care portals, service provisioning, partner settlement and service management for voice, SMS and related services.
Alternatives to PortaSwitch (PortaOne)
#2
Kamailio is an open source SIP signaling server for scalable VoIP and real-time communication platforms, supporting routing, load balancing, WebRTC, and IMS/VoLTE.
2.9k stars1.1k forkslast commit Actively maintained
#3
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
Carrier-grade VoIP softswitch/SBC for routing, billing, and managing SIP traffic, with LCR, fraud control, and high-availability deployment options.
Activity unknown
What replacing PortaSwitch (PortaOne) 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. 3 of 4 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.
