Hello Iain,
? We have had fits with the iPads locking up in commercial applications.? Typically in systems using Crestron VC4 processors.? We always use secure 41796 connections.? Our Service Engineer recently discovered in a large facility that the iPads that were "locking up" did not have a Default Router set in the IP settings.? He set a Default Router and all the iPads started working.
Just a thought.?
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Doug G
Doug G