My project, Ezcall, demonstrates a lightweight call signaling and peer-to-peer control of WebRTC video conferencing.
Two main goals of this project are: (1) to show a lightweight call signaling using push notifications, as well as serverless call signaling using email messaging, and (2) to do peer-to-peer control of video conferencing application logic, using WebRTC API in the browser.
The software is available at github.com/theintencity/ezcall.
From the paper: "We present the software architecture and implementation of our web-based multiparty video conference application. It does not use a media server. For call signaling, it either piggybacks on existing push notifications via a lightweight notification server, or utilizes email messages to further remove that server dependency. For conference control and data storage, it creates a peer-to-peer network of the clients participating in the call. Our prototype client web app can be installed as a browser extension, or a progressive web app on desktop and mobile. It uses WebRTC data channels and media streams for the control and media paths in implementing a full featured video conferencing with audio, video, text and screen sharing. The challenges faced and the techniques used in creating our lightweight or serverless system are useful to other low-end WebRTC applications that intend to save cost on server maintenance or paid subscriptions for multiparty video calls."
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