Description: Flexisip is an open-source SIP server for Linux that provides voice, video, and instant messaging features. It is designed to be lightweight, customizable, and scalable for deploying SIP infrastructure.
Type: software
Pricing: Open Source
Description: Kamailio is an open source SIP server used for VoIP and real-time communications. It handles call routing, policy enforcement, media handling, accounting, and authorization with support for presence and instant messaging.
Type: software
Pricing: Open Source