as an alternative - the stick works very well without the provider supplied software and there are plenty of inctructions for both Linux and Windows around
Sierra Wireless MC8775 & MC8775v In that case first downgrade to a 1.x firmware version and then run EnableVoice.exe. It's unclear if EnableVoice.exe works properly under Windows Vista
Huawei E510 application called "TotalMedia TV" (from Arcsoft) is included in the dashboard software ("Mobile Partner") linked above. Under Windows 7 you can also