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Flexisip

Complete, modular and scalable SIP server, includes a push gateway

Chat & Communication ★ 191 stars Medium setup AGPL-3.0

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.

Official siteSource code

Strengths

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in C++
  • Lightweight — runs in 512 MB RAM

Is Flexisip secure?

OSV.dev has no published security advisories for Flexisip's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

Health badge

Maintain Flexisip? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 69 · good

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<a href="https://selfhostindex.com/app/flexisip/"><img src="https://selfhostindex.com/badge/flexisip.svg" alt="SelfHostIndex health score for Flexisip"></a>
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   :alt: SelfHostIndex health score for Flexisip
   :target: https://selfhostindex.com/app/flexisip/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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