[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.
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.
* [The Quick Way](https://github.com/Fusionpbx/opensource/blob/master/sign-cla.md) - Step by step instructions to contribute to FusionPBX with links to our CLA and how to submit pull requests.
* [The FusionPBX Contribution Site](https://github.com/Fusionpbx/opensource) - The full repo with more information for the curious.
- 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
