Routr vs Flexisip
A side-by-side comparison of Routr and Flexisip — pricing, license, deployment, and where each tool wins.
Routr
routr.io
Lightweight SIP proxy, location server, and registrar for a reliable and scalable SIP infrastructure.
Flexisip
linphone.org
Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text messages on mobile device platforms where push notifications are required to receive information when the app is not active in the foreground.
| Feature | Routr | Flexisip |
|---|---|---|
| Pricing | Free | Free |
| Model | Open-source | Open-source |
| License | CC-BY-SA-3.0 | CC-BY-SA-3.0 |
| Deployment | Self-hosted | Self-hosted |
| Category | Communication - SIP | Communication - SIP |
| Self-hosted | ✓Yes | ✓Yes |
| Free tier | ✓Yes | ✓Yes |
Pick Routr if…
- ✓You prefer Routr's feature set or ecosystem fit.
Pick Flexisip if…
- ✓You prefer Flexisip's feature set or ecosystem fit.