FusionPBX

Self-Hosted

Open-source unified communications PBX for SIP and VoIP

Overview

FusionPBX is an open-source, multi-tenant PBX built on FreeSWITCH, supporting SIP/VoIP with features like call routing, voicemail, IVR, conferencing, SMS, and video calls. Deployment options include Docker containers, bare-metal Linux servers, or cloud platforms (AWS, Azure). It’s scalable for small businesses to enterprise service providers, with a web-based UI for managing extensions, trunks, and call flows. Compliance with SIP/RTP standards ensures compatibility with most IP phones and SIP providers, making it a flexible alternative to proprietary PBX systems.

Self-Hosting Resources

Find Official Image on Docker Hub View Source & Docs

Below is a reference structure for docker-compose.yml. ⚠️ Do NOT run blindly. Replace placeholders with official values.

docker-compose.template.yml TEMPLATE


version: '3'
services:
  fusionpbx:
    image: <OFFICIAL_IMAGE_NAME>:latest
    container_name: fusionpbx
    ports:
      - "8080:<APP_INTERNAL_PORT>"
    volumes:
      - ./data:/app/data
    restart: unless-stopped

Key Features

Multi-tenant SIP/VoIP PBX management
Unified communications (voice, video, SMS)
Advanced call tools (IVR, conferencing, routing)

Frequently Asked Questions

? Is FusionPBX hard to install?

Installation varies—Docker containers simplify setup for beginners, but bare-metal deployments require Linux, FreeSWITCH, and SIP expertise. Community docs and tutorials help, but advanced configurations need deeper technical skills.

? Is it a good alternative to Cisco Unified Communications Manager?

Yes—It offers core PBX features like IVR, call routing, and conferencing at no cost, ideal for small-to-medium businesses or service providers. However, enterprise-grade official support requires third-party services unlike Cisco’s in-house options.

? Is it completely free?

Yes—FusionPBX is open-source (MPL 2.0 license) with no upfront or recurring fees. Optional paid services like hosting, support, or custom development are available but not mandatory.

Top Alternatives

Cisco Unified Communications Manager Search Google

Avaya IP Office Search Google

Tool Info

Pricing Open Source

Category Communication - SIP

Platform Self-Hosted

Pros

⊕ Privacy-focused self-hosted deployment
⊕ No subscription fees (open-source)
⊕ Scalable for small businesses to enterprises

Cons

⊖ Requires Linux/FreeSWITCH technical knowledge
⊖ Steeper learning curve for beginners
⊖ Limited official support compared to proprietary PBXs