It uses GSM modem to send SMS. You need to have compatible Modem and SIM card and a subscription with a Provider.
No, unless otherwise the SQL you entered at ODBC does it.
Yes, for activating the product during installation.
No, for Sending SMS Regularly.
Yes, it keeps track of SMS sent through ODBC and Import SMS path.
No, does not keep track of messages sent through QuickSMS.
Depends on the plan you subscribed to.
Through Control Panel, ODBC
Yes, you can use any language that is supported by Unicode.
Possible Cause: Modem could be used by the default application that came with the modem. Check the system tray and close the application if it is running.
Most of the devices we use now are software-configured modem, whereas the physical device is converted into port/modem only through the software that came with it.
Check the System Tray.