Headset is connected directly to the Laptop, not via some USB soundcards.

1. Set Ubuntu Audio (System-Audio) to use Alsa (just plain Alsa, not the Intel Stuff)
2. Set Skype to use default devices

1. Set Ubuntu Audio (System-Audio) to use Alsa (just plain Alsa, not the Intel Stuff)
2. Set Skype Devices to use:

Microfon : ATI IXP (hw:IXP,0)
Speaker  : ATI IXP (plughw:IXP,0
Ring     : ATI IXP (plughw:IXP,0)