PBXen
PBXen is an open-source software platform designed to implement software-based private branch exchanges (PBXs). It provides telephony functionality for organizations seeking to replace hardware PBX systems with a centralized, scalable, software-driven solution. PBXen emphasizes SIP-based VoIP, Web Real-Time Communication (WebRTC) support, and integration with cloud services.
Key features include call control and routing, voicemail and voicemail-to-email, IVR menus, auto-attendant, conferencing, call recording,
Architecture commonly comprises a core engine, a signaling layer handling SIP and WebRTC, a media interface,
PBXen is developed in an open-source model with community contributions and documentation. It is designed to
In practice, PBXen has been adopted by small to mid-sized organizations seeking cost-effective, flexible telephony solutions
Related projects include Asterisk, FreeSWITCH, and Kamailio, which explore complementary or overlapping aspects of open-source telephony