3.Click the Dial Properties button, and then click the check box next to the To disable call waiting, dial option.
4.Click the arrow next to the To disable call waiting, dial box. Three options are displayed: *70, 70# and 1170.
5.Select the appropriate option. If you are unsure which option is appropriate for your area, contact your ISP for more information.
6.Click the Apply button, and then click the OK button.
To disable Call Waiting in Windows 2000/XP (in Classic View):
1.Click Start
2.Double click the Phone and Modem Options icon. The Edit Location dialog box appears.
3.Click your internet location from the list to select it, and then click the Edit button.
4.Click the check box next to the To disable call waiting, dial option.
5.Click the arrow next to the To disable call waiting, dial box. Three options are displayed: *70, 70# and 1170.
6.Select the appropriate option. If you are unsure which option is appropriate for your area, contact your ISP for more information.
Troubleshooting