Tech riderRev. 12 Oct 2026
Incredible PBX
- 1Runs onLinux, Mac, self-hosted, Web, Windows
- 2CostsFree plan
- 3Business numbersmultiple
- 4Auto attendantYes
- 5Call routingcustom
- 6Voicemail transcriptionYes
6 lines stated Written from the maker's own pages: wiki.incrediblepbx.com
Overview
Incredible PBX is ranked #82 of 174 in business phone systems on Specifiction. It runs on Linux, macOS, Self-hosted, Web, Windows. There is a free plan.
Incredible PBX plans and pricing
All plansIncredible PBX Free Free/Libre Open Source Software; component licenses include AGPL, GPLv2, or GPLv3 wiki.incrediblepbx.com · 12 Oct 2026
Compared on business phone systems
- Free plan
- Yeswiki.incrediblepbx.com
- Business numbers
- multiplewiki.incrediblepbx.com
- Auto attendant
- Yeswiki.incrediblepbx.com
- Call routing
- customwiki.incrediblepbx.com
- Voicemail transcription
- Yeswiki.incrediblepbx.com
Facts
- Product
- Incredible PBX is an open-source GPL aggregation for a production-ready unified communications VoIP platform supporting SIP and IAX.wiki.incrediblepbx.com · 12 Oct 2026
- Included software
- The platform bundles Asterisk and FreePBX with web, database, mail, fax, VPN, and firewall components.wiki.incrediblepbx.com · 12 Oct 2026
- Asterisk customization
- The maker says Incredible PBX allows users to customize and recompile Asterisk from source with their choice of Asterisk versions.wiki.incrediblepbx.com · 12 Oct 2026
- Deployment
- The maker lists on-premise hardware, cloud platforms, and virtual machines as deployment options.wiki.incrediblepbx.com · 12 Oct 2026
- Current product images
- The Products page lists images for Debian, Raspberry Pi, VirtualBox, Proxmox, Linux containers, Mac UTM, VMware, Windows 11 WSL, and cloud providers.wiki.incrediblepbx.com · 12 Oct 2026
- Open-source licensing
- The FAQ says the software is free/libre open source and that most components use AGPL, GPLv2, or GPLv3 licenses.wiki.incrediblepbx.com · 12 Oct 2026
- Try before deployment
- The maker says tutorials and turnkey images for VirtualBox and VMware can be used to try Incredible PBX without dedicating a server.wiki.incrediblepbx.com · 12 Oct 2026
- Security components
- The Home page lists IPtables firewall, Fail2Ban, and PortKnocker among the included components.wiki.incrediblepbx.com · 12 Oct 2026
- Security updates
- A public-server security guide says the Automatic Update Utility runs when a root user logs in over SSH and advises users not to disable it.wiki.incrediblepbx.com · 12 Oct 2026
- Threat blocking
- The public-server guide says its IPtables and ipset setup blocks selected countries and uses a VoIP blacklist that is updated nightly.wiki.incrediblepbx.com · 12 Oct 2026
- Integrations
- The maker provides a guide for setting up Microsoft Teams users as extensions to Incredible PBX.incrediblepbx.com · 12 Oct 2026
- Messaging
- The maker documents SMS and MMS integration through Clearly IP SIP trunks, with inbound messages delivered to FreePBX's User Control Panel.wiki.incrediblepbx.com · 12 Oct 2026
- Community support
- The FAQ directs users to the VoIP-Info.org forum for community participation and further help.wiki.incrediblepbx.com · 12 Oct 2026
- Maker
- The Home page identifies Ward Mundy & Associates LLC as the owner of the Incredible PBX registered trademark.wiki.incrediblepbx.com · 12 Oct 2026
- Purpose
- Incredible PBX is an open source aggregation that bundles components into a production-ready, turnkey unified communications VoIP platform supporting SIP and IAX.wiki.incrediblepbx.com · 12 Oct 2026
- Core components
- The platform includes Asterisk and FreePBX, with components such as Apache, PHP, MariaDB/MySQL, WebMin, OpenVPN, an IPtables firewall, Fail2Ban, and PortKnocker.wiki.incrediblepbx.com · 12 Oct 2026
- Windows and Mac options
- The Products page lists an Incredible PBX 2027 image for Windows 11 WSL and another for Mac UTM.wiki.incrediblepbx.com · 12 Oct 2026
- Telephony providers
- The Services page lists Skyetel and ClearlyIP as mission-critical VoIP provider options and names VoIP.ms, BulkVS, Callcentric, RingCentral, SignalWire, and others as alternatives.wiki.incrediblepbx.com · 12 Oct 2026
- Phone and softphone options
- The Services page recommends SIP phones from ClearlyIP, Fanvil, Grandstream, Yealink, Snom, and Polycom, and softphones including Clearly Anywhere, Acrobits Groundwire, Zoiper5, SessionTalk Pro, and Linphone.wiki.incrediblepbx.com · 12 Oct 2026
- Security
- The HomePage lists an IPtables firewall, Fail2Ban, OpenVPN, NeoRouter VPN, and PortKnocker among the bundled components.wiki.incrediblepbx.com · 12 Oct 2026
- Security configuration
- The password guide describes separate Linux CLI and FreePBX GUI passwords, including passwords for FreePBX admin and Apache web apps.wiki.incrediblepbx.com · 12 Oct 2026
- Support and community
- The FAQ directs users to Nerd Vittles tutorials, an Application User’s Guide, and the VoIP-Info.org forum for community participation and further information.wiki.incrediblepbx.com · 12 Oct 2026
- Testing
- The FAQ says tutorials and turnkey images for VirtualBox and VMware let users try Incredible PBX features without dedicating a server.wiki.incrediblepbx.com · 12 Oct 2026
- Notable component limit
- The Products page says HylaFax/AvantFax is excluded on Rocky 8 and Debian 11 platforms.wiki.incrediblepbx.com · 12 Oct 2026
Best Incredible PBX alternatives
See all 20 All accessCh 01 Microsoft Teams Free planAndroidiOS from $0.33/mo9.4 All accessCh 02 Vodia PBX Free trialAndroidAPI 9.0 All accessCh 03 VitalPBX Free planFree trialAndroid from $100/mo9.0 All accessCh 04 3CX Free planWebWindows from $25/mo8.9 All accessCh 05 Talkroute Free trialAndroidiOS 8.9 All accessCh 06 Zoom Phone Free trialAndroidiOS from $1.33/mo8.8
Where it ranks on Specifiction
- Best Business Phone Systems in 2026#82 of 174
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Sources
- wiki.incrediblepbx.com/HomePage· checked 12 Oct 2026
- wiki.incrediblepbx.com/Products· checked 12 Oct 2026
- wiki.incrediblepbx.com/Mission· checked 12 Oct 2026
- wiki.incrediblepbx.com/dl19· checked 12 Oct 2026
- incrediblepbx.com/teams/· checked 12 Oct 2026
- wiki.incrediblepbx.com/article16-SMS-MMS-Integration-with-Incr· checked 12 Oct 2026
- wiki.incrediblepbx.com/Services· checked 12 Oct 2026
- wiki.incrediblepbx.com/Setting-and-Resetting-Passwords· checked 12 Oct 2026