So yes the sip trunk for wm Bridge is green but the webmeeting_index parameter is not there.
Just to double-confirm, could you please go to the Dashboard in your Management Console and tell me what you see as "Version" in the "Information" section that is on the right of the screen?
I usually wouldn't suggest this, and for anyone else reading this, I wouldn't suggest doing this, but try this:
<!DOCTYPE html><html lang="en">
<head>
<base href="https://wmr-cdn.3cx.net/client/12.0.2.30226/">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,user-scalable=no,initial-scale=1,minimum-scale=1,maximum-scale=1">
<meta name="apple-itunes-app" content="app-id=1039756959, app-argument={{appurl}}">
<meta name="webmeeting-data" content="{{encodedwmdata}}">
<title>{{title}}</title>
<link rel="icon" type="image/x-icon" href="/favicon.ico">
<link rel='stylesheet' href='global.css'>
<script src="https://www.youtube.com/iframe_api"></script>
<script src="lib/pdfjs/pdf.min.js"></script>
<script src="lib/progressbarjs/progressbar.min.js"></script>
<script src="lib/flowjs/flow.min.js"></script>
<script src="lib/spark-md5/spark-md5.min.js"></script>
<script src='wmclient.js'></script>
<script defer src='bundle_component_main.js'></script>
</head>
<body>
</body>
</html>
