[xubuntu] Skype crashes on incoming call and other audio issues

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http://ubuntuforums.org – I am using Xubuntu 12.10. I have installed the latest Skype. But the weird thing is that Skype takes exclusive control of the audio in the system. 1. When I am using Skype, I cannot play any other audio in system. 2. When I am using any audio in the system, Skype audio doesn't work. 3. When someone is calling me in skype, Skype crashes when I receive it. This because I think the event sound mechanism interferes with Skype audio playback. This did not happen in Ubuntu 12.10. Any help would be greatly appreciated. (Hardware)