Error 100202 when attempting to join a meeting from the iPad or iPhone.
Unable to join meeting from the Apple iPhone or iPad.
Error 100202 when joining a meeting.
This is a known issue related to the use of proxies in conjunction with the Apple iPad & iPhone devices.
Unfortunately there are no known workarounds for this behavior other than to bypass the proxy on your network. Contact your IT admin for details on utilizing your network without a proxy.