Use a WinModem, an ISDN modem, or a virtual modem

Why are these different than regular modems?

1  On the taskbar, click Start, point to Settings, and click Control Panel.
2  In the Control Panel window, double-click System.
3  Click the Device Manager tab, and then click View devices by type.
4  Double-click Modem, select your modem from the list, and then click Properties.
5  Click the Modem tab.
6  In the Port drop-down list, select a COM port.

What if I still canÆt make a call?