PJSIP

PJSIP is an open-source software toolkit that enables voice, video, and text communication over the internet. It provides the technical foundation for building applications like VoIP phones and conferencing systems by managing signaling, media streams, and network connections. Essentially, PJSIP handles the complex processes involved in real-time communication, ensuring calls are connected, maintained, and managed efficiently. Its flexible design allows developers to create customizable communication solutions that work across various devices and networks, making it a key component for developing reliable, high-quality internet-based communication platforms.