The OpenTok Server Archiving Node.js Sample Code demonstrates how to use the OpenTok Java SDK to archive (or record) Sessions, list archives that have been created, download the recordings, and delete the recordings.
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Voximplant has released Voximplant Web SDK 4.0 which features a number of new enhancements such as Microsoft Edge audio calls support, enable video during an existing audio call, modification of audio and video streams via filters, and h.264 video codec "high priority" setting.