Flexisip

Flexisip: Open-Source SIP Server for Linux

An open-source SIP server for Linux providing voice, video, and instant messaging features, designed to be lightweight, customizable, and scalable for deploying SIP infrastructure.

What is Flexisip?

Flexisip is an open-source Session Initiation Protocol (SIP) server software for Linux operating systems. It provides a robust and high-performance SIP infrastructure to enable real-time communication features such as voice over IP (VoIP) calling, video conferencing, instant messaging, and presence.

Some key features of Flexisip include:

• Lightweight and optimized for enhanced performance using epoll and multithreaded design
• Modular architecture allowing customization of features and integration with external components
• Support for common audio/video codecs like G.711, G.729, H.264, VP8
• Presence and instant messaging capabilities using SIMPLE protocol
• Carrier-grade scalability to handle large number of concurrent calls and registrations
• IPv4 and IPv6 support
• TLS and SRTP support for secure media transmission
• Database backends like MySQL, PostgreSQL, SQLite for persistent storage
• WebRTC support for browser-based real-time communications

Flexisip can be used to deploy VoIP infrastructure for small businesses, enterprises, cloud telephony providers. Its high scalability makes it suitable for large platforms handling high traffic. The open-source nature provides flexibility to customize or enhance features as per specific requirements.

Flexisip Features

Official Links