Right, if it's happening in the app, I suspect that there is a problem with the local internet connection. Perhaps the router is dropping the connection, or there isn't enough bandwidth to support the amount of transmitted data.
Since this is Go To Meeting, do you have just a normal PC that you can use for this instead? It seems that would be more stable. If not, can you get yourself closer to the WiFi access point?
If you install the app Speedtest on your phone, what are the upload and download speeds that it reports?
Speedtest:
https://forums.androidcentral.com/e?...token=ldibgAGz