Problem: Skype with Motorola HS 815

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Hello of people!

I have here the set of Skype with Motorola Headset HS 815 and appropriate Dongle.
Unfortunately I get it not to run!
Toshiba laptop did not develop a connection to the Headset, it is however nirgendswo somewhat selectablly - anything in the audio characteristics or sonstwo.
Their Cracks have nevertheless surely a good idea which I where search can, or which one can make, or?

System is XP pro SP2

Greeting
DIRK