FreePBX

Self-Hosted

Open-source IP PBX system for VoIP communication

Overview

FreePBX is a robust open-source IP PBX solution enabling businesses to build and manage VoIP communication systems. It supports SIP trunking, call routing, IVR, voicemail, conference calling, and call recording. Deployable on Linux servers (CentOS, Debian) or via Docker, it integrates with popular SIP devices and services. Its user-friendly web interface simplifies configuration, making it accessible for small to medium businesses while scaling to handle multiple extensions and concurrent calls. It gives full control over communication infrastructure, prioritizing privacy and cost efficiency.

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:
  freepbx:
    image: <OFFICIAL_IMAGE_NAME>:latest
    container_name: freepbx
    ports:
      - "8080:<APP_INTERNAL_PORT>"
    volumes:
      - ./data:/app/data
    restart: unless-stopped

Key Features

SIP Trunking & Extension Management
IVR & Advanced Call Routing
Voicemail & Conference Calling

Frequently Asked Questions

? Is FreePBX hard to install?

FreePBX can be installed on Linux servers or via Docker for simplified deployment. Basic setup is manageable with documentation, but advanced tasks like SIP trunk integration may need telephony and Linux expertise.

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

Yes—FreePBX offers core enterprise features (call routing, IVR, voicemail) at no cost, making it ideal for small/medium businesses avoiding proprietary fees. Cisco provides more enterprise support, but FreePBX is a cost-effective alternative.

? Is FreePBX completely free?

Yes—FreePBX is open-source under the GPL. No licensing fees apply, though you may pay for SIP trunks, IP phones, or third-party support services if needed.

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

⊕ No licensing fees (open-source)
⊕ Comprehensive VoIP feature set
⊕ User-friendly web interface

Cons

⊖ Requires Linux server setup
⊖ Advanced config needs telephony/Linux knowledge
⊖ Regular security updates required