/usr/local/freeswitch/conf/ ├── freeswitch.xml # Main configuration file ├── vars.xml # Global variables (IP addresses, domain names) ├── autoload_configs/ # Module-specific configurations (sofia.conf.xml, etc.) ├── dialplan/ # Call routing logic │ ├── default.xml # Dialplan for authenticated/internal users │ └── public.xml # Dialplan for unauthenticated/inbound external traffic └── directory/ # User extensions and credentials └── default/ # Default domain user directories Core Variables ( vars.xml )
FreeSWITCH 18 is the latest major release of the open-source telephony platform designed for building scalable voice, video, and messaging systems. It continues FreeSWITCH’s goal of being a modular, carrier-grade switching engine while modernizing internals and improving developer ergonomics. Below is a concise, engaging review covering what’s new, why it matters, practical use cases, deployment notes, and where to look for documentation (including PDF resources).
FreeSWITCH was designed from the ground up to solve the scalability and stability limitations of older PBX software. Version 1.8 brings crucial enhancements to media handling, security, and WebRTC integration. Core Architecture freeswitch 18 pdf
In autoload_configs/sofia.conf.xml , set log-auth-failures to true and configure Fail2Ban to parse the logs and automatically block malicious IP addresses.
Remove or comment out default demonstration user extensions ( 1000 through 1019 ) to prevent automated dictionary attacks. /usr/local/freeswitch/conf/ ├── freeswitch
Specific applications executed sequentially when a condition evaluates to true. Sample Dialplan: Local Routing & Inbound IVR
While pre-compiled binary packages are available, compiling FreeSWITCH 1.8 from source code provides maximum flexibility, allowing you to select exact optimization flags and custom modules. Step 1: Install Dependencies FreeSWITCH was designed from the ground up to
FreeSWITCH 1.8 is a major release that brings numerous improvements and new features, including:
Unlike traditional monolithic systems, FreeSWITCH utilizes a highly modular architecture. A lightweight core manages the essential state machines, while external functionalities are offloaded to pluggable modules. This design provides several distinct advantages:
<action application="set" data="api_hook=http://pdf.service.local/generate"/> <action application="curl" data="$api_hook data=$cdr_json"/>