endpoints of many kinds for calling and or video

video room systems are continuing to evolve, AI enablement and manual controls, fully video capable USB and HDMI options, seamless PC & mobile devices as hosts

software clients: Windows PC/Tablet/Mac/Phone, audio visual endpoints can create and join any host, call and video conference

WebRTC is a free, open project that provides browsers and mobile applications with Real-Time Communications (RTC) capabilities via simple APIs.
The WebRTC mission: To enable rich, high-quality RTC applications to be developed for the browser, mobile platforms, and IoT devices, and allow them all to communicate via a common set of protocols.