[FusionPBX](http://fusionpbx.com/) is a flexible, customizable administration web GUI that takes [FreeSwitch](http://freeswitch.org) and converts it into a single- or multi-tenant gateway or PBX system out of the box.
It can be run on any operating system and x86-based hardware of your choice.
It provides the functionality your business needs and brings corporate-level phone system features to small, medium, and large businesses. Read more at [FusionPBX](http://fusionpbx.com/).
In addition to providing all of the usual PBX functionality, FusionPBX allows you to configure:
These options support the project and cover any kind of help you might need from architecture, installation, best practices, troubleshooting, custom feature programming, and training.
It's easy to contribute to FusionPBX the only thing we ask before accepting your pull request is that you sign a Contributor License Agreement.
We ask that you sign the Contributor License Agreement for the following reasons:
1. It protects FusionPBX by you gauranteeing that your contributions are yours to contribute and not the property of an employer or something found on the web.
2. It protects you from using code that belongs to others that is subject unfriendly licensing.
- During the install it will ask you to press continue after verifying that the command ran successfully. This is usually the case, so you can simply tell it to continue. The install also asks several questions.
- Unless you have a reason to choose otherwise, PostgreSQL and Nginx is probably your best path and is recommended by the developers of FusionPBX