IIS 7.5 and huawei 3g usb modem
i create c# webservice hosted in windows server 2008 with IIS 7.5
My webservice communicate with winform application interface that allowed user to send SMS through webservice using huawei 3g usb modem

the problem is 

When i try to send SMS, error message "Port not open" show up

3 days of search, can not find any solution

i tried many things:
When i execute the code that sending SMS from outside the IIS "in the same server" it's works 

and i tried to put webservice inside IIS 6 and it's works perfectly

only from IIS 7.5 it's not working

any ideas

IIS 7.5 and huawei 3g usb modem
===

i create c# webservice hosted in windows server 2008 with IIS 7.5
My webservice communicate with winform application interface that allowed user to send SMS through webservice using huawei 3g usb modem

the problem is 

When i try to send SMS, error message "Port not open" show up

3 days of search, can not find any solution

i tried many things:
When i execute the code that sending SMS from outside the IIS "in the same server" it's works 

and i tried to put webservice inside IIS 6 and it's works perfectly

only from IIS 7.5 it's not working

any ideas
