Internet Connection Sharing with AnyData ADU-520A device on Win7

I am trying to find a way to enable ICS on my laptop, which has Win7, but so far no success. The problem is that the Worldcall USB modem/connection (AnyData ADU-520A) doesn't show up in the network connections list, so I cannot edit its properties to enable ICS. It seems to me that all the connection related info (dial up number, username, password for USB modem) are build into the front end software that is installed from the USB modem itself. Has anybody successfully enabled ICS with the mentioned device on Win7?

Does the other pc/device have wi-fi? If yes, then why not create a wireless hotspot through your laptop?:

Turn Your Windows 7 PC Into a Wireless Hotspot

Connectify - Turn your Windows 7 laptop into a Wi-Fi Hotspot