How to call a webservice on a local network

Dear all,
I'm trying to import a webservice that is running on a computer on our local network, and i always get the "validation failed" msg  whether i pass the IP adress or the computer name as url.
I did some tries:
- The webservice works perfectly fine with a c# client.
- It works if i run the webservice on my own computer and call it from localhost.
I don't really understand this issue. 
Does anyone has an idea ?
BR

this worked for me, the indicator showed the same xml stuff my browser showed
[edit]
dont use to small timeout values,
3000 threw a timeout error
[/edit]
Attachments:
get-http-service.png ‏22 KB

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