Yepp, and that's the core of the issue. My iPad is set to hibernate after 15 minutes idle time, but I'm thinking of keeping the registration alive despite the hibernation. Although, this is an iOS-issue that'll we just have to live with
May I ask if you have got any reply from Cisco on this one? I have the same problem. The screen locks, and within a few minutes it unregisters from the VCS-E. Allthough, in the settings-page I've set it to "Never sign out". Possibly there's nothing t...