Laying out the streets…STEP 1 OF 3

OpenWebPBX · Office #47,452

Open-source, self-hosted business phone system

In the Deploying and running servers neighborhood (Developer). In town since 21 Oct 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

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What Tablif read on OpenWebPBX's site

OpenWebPBX describes itself as: “OpenWeb PBX — A phone system. An open future.”

What it is

Calls itself “business phone system”.

  • Calls itself: business phone system
“OpenWebPBX is an open-source, self-hosted business phone system built on FreeSWITCH and FusionPBX technologies.”

Where it puts itself

Positions itself as an alternative to 3CX. Claims “world's most widely used free PBX”. Rules out “complete 3CX feature parity”.

  • Alternative to: 3CX
  • Superlative claim: world's most widely used free PBX
  • Says it will not: complete 3CX feature parity
“Our ambition is to become the world’s most widely used free PBX.”
“We are building toward the everyday simplicity and breadth people value in 3CX, then new tools beyond that familiar starting point.”

What it costs

A free tier, free forever.

  • Free plan: free forever
“Is OpenWeb PBX really free? + Yes. OpenWeb PBX is a nonprofit, open-source project with no OpenWeb software license fee.”
“OpenWeb PBX is a nonprofit, open-source project with no OpenWeb software license fee.”

Who it sells to

Sells to businesses.

  • Sells to: businesses
“Practical tools for teams, guest experiences and the businesses bringing them together.”

How it runs

A mobile app and web app for Android, Debian and Windows. Can be self-hosted. Distributed through the Play Store. Offers an API. Open source.

  • Kind: mobile · web
  • Runs on: Android · Debian · Windows
  • Runs where: self-hosted
  • Distributed via: Play Store
  • API: yes
  • Open source: yes
“Android calling app”
“OpenWebPBX is an open-source, self-hosted business phone system built on FreeSWITCH and FusionPBX technologies. It brings multi-tenant PBX management, SIP trunk configuration, call routing, call queues, receptionist features, and administration tools into a web-based interface.”

What it works with

Names 3CX, Android and 4 more on its pages.

  • Names: 3CX · Android · Debian · +3
“We are building toward the everyday simplicity and breadth people value in 3CX, then new tools beyond that familiar starting point.”
“Android 1.0.18 is here”

What it offers as proof

Live, no waitlist. Publishes docs.

“Version 1.0.16 is an actively developed release. Installation, internal calling, callbacks and wake-up calls have been tested, and a controlled carrier call has completed.”
“…full feature coverage ↗ -> https://github.com/embire2/openwebpbx/blob/customization/docs/feature-coverage.md”

Sources

Tablif read these pages, last on 21 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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