You can change modem settings, such as the speaker volume.
Open Phone and Modem Options by clicking the Start button , clicking Control Panel, clicking Hardware and Sound, and then clicking Phone and Modem Options.
You might need to provide information such as your country or region and any special phone dialing rules in the Location Information dialog box before you can access the Phone and Modem Options dialog box.
Click the Modems tab.
Select the modem you want to change the settings for, and then click Properties.
Change the settings you want.