![]() ![]() If Chat Tech is set to None (no audio/no video) a WebRTC call will not initiate call connections between players. The GM should have Chat Tech either set to Roll20 WebRTC (Chrome + Firefox) or Legacy Roll20 WebRTC(deprecated) selected in order for WebRTC to activate. If you or your players are experiencing issues with video and voice, the first thing everyone should check is the Video + Audio Chat Options under the y My Settings-tab of the Sidebar. The Video & Voice Performance Settings on the Settings Tab of Roll20 This higher upload bandwidth cost can result in stability problems for users with low upload bandwidth connections. This means that the upload bandwidth cost for a WebRTC call is higher than other VOIP options in anything more than a two person call. With "Peer-to-Peer", you are sending your video/voice data again to each peer connection in the call. With an "All-to-One-to-All" connection, applications like Skype send your video/voice data one time to their server which then carries that load of data to each of the other people in the call. Those applications use a Client/Server or All-to-One-to-All connection rather than a Peer-to-Peer connection. Applications like Skype or Discord aren't browser-based and therefore have access to hardware acceleration and data compression that Roll20 cannot take advantage of. WebRTC is a HTML5 technology that runs video and voice through a web browser without the need of a java applet. How is WebRTC different from Discord, Google Hangouts, Skype, etc?
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December 2022
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