# Modules

Modules extend the features of the system. Use this page to enable or
disable modules.

![image](../_static/images/advanced/modules/fusionpbx_modules1.png)

Modules have several different categories.

- Applications
- Auto
- Dialplan Interfaces
- Endpoints
- Event Handlers
- File Format Interfaces
- Languages
- Loggers
- Say
- Speech Recognition/Text to Speech
- Streams/Files
- XML Interfaces