Incredible PBX

Spec sheet

Purpose

Incredible PBX is an open source aggregation that bundles components into a production-ready, turnkey unified communications VoIP platform supporting SIP and IAX.Read 12 Oct 2026 · wiki.incrediblepbx.com

Product

Incredible PBX is an open-source GPL aggregation for a production-ready unified communications VoIP platform supporting SIP and IAX.Read 12 Oct 2026 · wiki.incrediblepbx.com

Deployment

The maker lists on-premise hardware, cloud platforms, and virtual machines as deployment options.Read 12 Oct 2026 · wiki.incrediblepbx.com

Free plan

YesRead 22 Sep 2026 · wiki.incrediblepbx.com

Integrations

The maker provides a guide for setting up Microsoft Teams users as extensions to Incredible PBX.Read 12 Oct 2026 · incrediblepbx.com

Security

The HomePage lists an IPtables firewall, Fail2Ban, OpenVPN, NeoRouter VPN, and PortKnocker among the bundled components.Read 12 Oct 2026 · wiki.incrediblepbx.com

Maker

The Home page identifies Ward Mundy & Associates LLC as the owner of the Incredible PBX registered trademark.Read 12 Oct 2026 · wiki.incrediblepbx.com

Asterisk customization

The maker says Incredible PBX allows users to customize and recompile Asterisk from source with their choice of Asterisk versions.Read 12 Oct 2026 · wiki.incrediblepbx.com

Auto attendant

YesRead 22 Sep 2026 · wiki.incrediblepbx.com

Business numbers

multipleRead 22 Sep 2026 · wiki.incrediblepbx.com

Call routing

customRead 22 Sep 2026 · wiki.incrediblepbx.com

Community support

The FAQ directs users to the VoIP-Info.org forum for community participation and further help.Read 12 Oct 2026 · wiki.incrediblepbx.com

Core components

The platform includes Asterisk and FreePBX, with components such as Apache, PHP, MariaDB/MySQL, WebMin, OpenVPN, an IPtables firewall, Fail2Ban, and PortKnocker.Read 12 Oct 2026 · wiki.incrediblepbx.com

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.Read 12 Oct 2026 · wiki.incrediblepbx.com

Included software

The platform bundles Asterisk and FreePBX with web, database, mail, fax, VPN, and firewall components.Read 12 Oct 2026 · wiki.incrediblepbx.com

Messaging

The maker documents SMS and MMS integration through Clearly IP SIP trunks, with inbound messages delivered to FreePBX's User Control Panel.Read 12 Oct 2026 · wiki.incrediblepbx.com

Notable component limit

The Products page says HylaFax/AvantFax is excluded on Rocky 8 and Debian 11 platforms.Read 12 Oct 2026 · wiki.incrediblepbx.com

Open-source licensing

The FAQ says the software is free/libre open source and that most components use AGPL, GPLv2, or GPLv3 licenses.Read 12 Oct 2026 · wiki.incrediblepbx.com

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.Read 12 Oct 2026 · wiki.incrediblepbx.com

Security components

The Home page lists IPtables firewall, Fail2Ban, and PortKnocker among the included components.Read 12 Oct 2026 · wiki.incrediblepbx.com

Security configuration

The password guide describes separate Linux CLI and FreePBX GUI passwords, including passwords for FreePBX admin and Apache web apps.Read 12 Oct 2026 · wiki.incrediblepbx.com

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.Read 12 Oct 2026 · wiki.incrediblepbx.com

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.Read 12 Oct 2026 · wiki.incrediblepbx.com

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.Read 12 Oct 2026 · wiki.incrediblepbx.com

Testing

The FAQ says tutorials and turnkey images for VirtualBox and VMware let users try Incredible PBX features without dedicating a server.Read 12 Oct 2026 · wiki.incrediblepbx.com

Threat blocking

The public-server guide says its IPtables and ipset setup blocks selected countries and uses a VoIP blacklist that is updated nightly.Read 12 Oct 2026 · wiki.incrediblepbx.com

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.Read 12 Oct 2026 · wiki.incrediblepbx.com

Voicemail transcription

YesRead 22 Sep 2026 · wiki.incrediblepbx.com

Windows and Mac options

The Products page lists an Incredible PBX 2027 image for Windows 11 WSL and another for Mac UTM.Read 12 Oct 2026 · wiki.incrediblepbx.com

Plans and prices

Every Incredible PBX plan and price →

Where Specifiction places it

• IP PBX Software#1 of 198.9
• Business Phone Systems#44 of 1678.5