Most likely a firewall inspection issue, probably not allowing 2 video channels from the codec sent to the far end ( you will open a logical channel for audio stream, one for main video channel and then the second video channel for the data content)
A good strating point is to take a network trace from both sides on the call ( from both endpoints) and to follow the data video stream ( make sure the call it's placed un encrypted )
Just out of curiosity, if you mute / unmute the video stream for the data channel ( if you stop and then resend the presentation channel) will the traffic go to the far endpoint then ?
IntroductionThe IssueServices Shown their status as UnknownWhat actions require to be taken?Logs required for troubleshootingWhat to expect in the logs:
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