Understanding how media passes through your system directly impacts server capacity:
Do you require complete configuration code for an ? Share public link
sudo apt install -y build-essential git-core libtool autoconf automake libssl-dev libedit-dev libsqlite3-dev libcurl4-openssl-dev pkg-config libopus-dev libsndfile1-dev libsofia-sip-ua-dev libspandsp-dev freeswitch 18 pdf
/etc/freeswitch/ ├── freeswitch.xml # The master configuration file ├── vars.xml # Global variables (IP addresses, domain names) ├── dialplan/ # Call routing logic │ └── default.xml # Dialplan for authenticated local users │ └── public.xml # Dialplan for unauthenticated inbound WAN traffic ├── directory/ # User directory and extensions │ └── default/ # XML files defining SIP users/passwords ├── sip_profiles/ # SIP endpoint configurations │ ├── internal.xml # Handles local registrations (Port 5060) │ └── external.xml # Handles outbound trunks and gateways (Port 5080) └── autoload_configs/ # Module-specific configurations (modules.conf.xml) Use code with caution. Modifying vars.xml
Use code with caution. Essential Dialplan Applications : Establishes early media or full call connection. Understanding how media passes through your system directly
: Enables real-time configuration by fetching XML data from a web server or database. Advanced Features :
: Decodes and encodes audio/video streams. Essential Dialplan Applications : Establishes early media or
In FreeSWITCH 1.8, the Event Socket Library uses a specific JSON packet format. If you read a PDF for version 1.10, the Event-Name headers may differ. Always cross-reference the fs_cli output.
| Error | Likely Cause | Solution (from PDF) | |-------|--------------|----------------------| | 498 Invalid Gateway | No matching gateway for the call | Check sip_profiles/external.xml and sip_profiles/external/*.xml for gateways. | | 500 Internal Server Error | Broken dialplan XML syntax | Run freeswitch -c -u to see parse errors. | | SIP/2.0 408 Request Timeout | Firewall blocking RTP ports | Ensure UDP range 16384-32768 is open. | | mod_sofia: Cannot bind to 0.0.0.0:5060 | Another SIP process (e.g., Asterisk) is running | Run netstat -tulpn | grep 5060 and kill the process. |