KB, you can use ModuleMediaCasterStreamMonitorAdvanced to monitor, debug and reset MediaCaster streams:
https://www.wowza.com/docs/how-to-enable-advanced-monitoring-and-resetting-of-mediacaster-streams)
Loudenboomer, The symptom sounds like stream bitrate higher than client bandwidth problem. In any case, if you find encoding parameters that work and others that don’t, obviously keep what works, use that as a baseline. The ModuleMediaCasterStreamMonitorAdvanced should be useful for you too.
Richard