Unfortunately I can't tell why the 'back-end' server (an Axis camera) is timing out the sessions. (It is apparently a bug in the cameras.)
However, in hope of preventing this from happening, I've now installed a new version (2013.10.16) of the "LIVE555 Streaming Media" code that now includes "Session:" header in each "OPTIONS" request (if we're currently part of a session). I'm hoping that this will either cause your back-end server (Axis camera) to keep its session alive, or - if it doesn't - at least cause the camera to return an error response for the "OPTIONS" command after it (for whatever reason) times its session out. Please let me know if this fixes your problem. If it doesn't, then Axis will need to fix their cameras to become more standards compliant. (As always, I'm willing to help Axis (and any other network camera manufacturer) make their systems more compliant. There's at least one Axis employee on this mailing list; you know how to get hold of me :-) Ross Finlayson Live Networks, Inc. http://www.live555.com/
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