This application comes with the USB dongle devices. If you receive an error while dialing, go into the settings and reconfigure the application using the dial number provided by the carrier network.
Additionally, reinstall the software because it will also restore the default values of the configuration parameters.
There is a website from where you can download updated drivers for your device as well. The Zebronics Sonic Modem should be updated using the installation package available on that website.
