Shows you how to connect to a session, publish a stream from your webcam, and view other audio-video streams in the session … all in just a few lines of code.

Expands on the Hello World tutorial, showing how to position OpenTok videos in the HTML DOM.

Shows how to enable echo suppression, how to mute the microphone and how to mute sound output from streams.

Shows how to use JavaScript to have the user select the camera and microphone used in an OpenTok session.

Shows how to moderate participants in an OpenTok session, and how to have a participant send a signal to all other participants.

Shows how you can control the size of the OpenTok video display, just as you would any other HTML element.

Shows how to publish streams and subscribe to streams in audio-only and video-only mode.

Shows how to set and retrieve metadata for each client connecting to a session.

Shows how to record an audio-video stream outside of an OpenTok session and then play it back in a session.