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Multipoint video shows duplicate local feeds

csfiend
Occasional Visitor

Multipoint video shows duplicate local feeds

We have three Group 500 models in our three offices. Unit A and Unit B are both running the same (current) software version. Unit C is running 4.0.1 but will be getting upgraded this morning.

 

If Unit A and Unit B call each other, the display is correct -- 50/50 split. Once we add Unit C to the call, two of the three units will show two local displays -- see the below image for an example.

 

http://i.imgur.com/F3DVGcJ.jpg

 

This isn't dependent on whom hosts or whom calls to add the third unit.

 

Turning off Self View 'fixes' it, but it doesn't really fix it -- it only hides the issue. On the one unit that shows the proper three panel display, Self View is turned on.

 

Any thoughts? Thanks in advance for any suggestions.