Version 2012.783 (2012.12.8)
"We found that your app exhibited one or more bugs, when reviewed on the iPad and iPhone 4, running iOS 5.1, on both Wi-Fi and cellular networks, which is not in compliance with the App Store Review Guidelines.
Specifically, the app does not produce sound."
I have had same reports but from people before.
It happens in only some devices.
Definetelly there is a problem with audio…
[import]uid: 113117 topic_id: 25522 reply_id: 325522[/import]