Flexisip

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.

Actively maintained

At a glance

GitHub stars
193
Last activity
2026-10-29
Latest release
–
Commits (12 mo)
255
License
AGPL-3.0
Language / platform
C, Docker

Maintenance health: Actively maintained — Commits in the last 3 months.

Run Flexisip yourself

  • RAM: ~512 MB server (1 vCPU)
  • Docker: yes

Estimated monthly server cost

ProviderPlan size~ USD / month
Vultr512 MB$3.5Deploy →
DigitalOcean512 MB$4Deploy →
Akamai (Linode)1 GB$5Deploy →

Rough estimate from the app's stack and category, not a benchmark. Several light apps can share one server. Some hosting links may be affiliate links. We may earn a commission at no extra cost to you; it never affects which apps we list.

Prefer managed hosting? Check PikaPods or Elestio.

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