>I Try to access the UT WebService using C#.
>I cannot access any method except the Login().
>
>I know that i have to use a soap header but I cannot find the definition of the header in the WSDL file.
>
>Any clues?

The sample provides the necessary code that has to be put in place. Basically, try to run the sample from VFP. Then, if it works, you may proceed from there if you want to experiment.

The Universal Thread Web Service requires the SOAP header mecanism to be put in place. Otherwise, it won't work.