Hi Richard, I don't have all the background information to answer and you alreday have checked what seems to be obvious :-), but the 2 things I would point first to check -if not done - would be:
- Permissions (specially if you're joining from webex teams instead webex meetings), can be needed to be allowed - maybe it changed after an update (Go to Settings to check the iOS permissions you've granted in the app).
- 4G, 3G vs Wifi. I would try to use WiFi instead 4G and see what happens. If using mobile APP, use of camara through mobile data, 3G or 4G sometimes is disallowed by administrators (permissions can be changed MDM)
I'd also may check as possible issue source (I don't think this is the case, because a message should pop up): - Bandwidth - slow network connection:(bad latency or jitter value). Sometimes a poor connection leads to video frezze or block (it should pop up a message) - Low battery - IOS devices use to optimize resources to save battery and they might try to disable video if battery is low.
Here you can find some helpful links that walk through Webex meetings from mobile devices:
we have recently announced a new Webex Events service with a best-in-class virtual event experience that is video-centric, intelligent, and simple to use.
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