FreePBX allows users, resellers, enthusiasts, and Partners to utilize the VoIP EcoSystem to build interacted communications solutions. Sangoma is proud to be the sponsor of FreePBX project. If you are new to FreePBX you can get started quickly by downloading and installing the FreePBX Distro. The FreePBX Distro is an all in one platform that installs everything you need to build a phone system. Once You have a basic PBX in place you can add commercial modules to add advanced features to an already feature-rich base install of FreePBX.
You get below this thing after installation of PBX system:

• FreePBX Hosting
• SIP Trunking Solution
• FreePBX Appliances
• WebRTC Softphone

The following modules are not Open Source GPL and are only designed to work with CentOS or RHEL systems. The FreePBX Distro is already preconfigured to work with these modules.

• Customer Relationship Management (CRM)
• Call Center Builder Bundle
• System Builder Starter Bundle
• Extension Based Routing System
• Web CallBack System
• CallerID Management

FreePBX leverages standard computing servers and Linux OS. It is configured and managed using standard web browsers, and it fully supports SIP protocol. Not proficient in Linux? Download FreePBX Distro to install FreePBX, Linux, and other components automatically.

• Asterisk 11 Support
• Destination popOvers
• Module Admin Security Auditing capability
• Outbound Route and Trunk enhancements
• Removal of General Settings and move the last remaining settings to their proper modules.
• Hotel Wakeup Call Module
• Chan Motif Module (google voice enabler)
• CallerID Superfecta Module
• DAHDI Module

This is the latest update framework module.