users configure telephony in XP

[Guest]

We need instructions to allow users to configure telephony devices

In control panel - phone and modem - advanced tab. The three buttons below are disabled. Need to know how to allow the users to configure these settings.

 

[Wesley Vogel]

Phone and Modem Properties on a Windows XP computer
http://www.restartoffice.com/windowsXP.htm

To configure an installed modem
http://tinyurl.com/373o6

Dial-Up Modem & Control Panel Configurations
http://www.netfaqs.com/Windows/DUN/WinXP/Modem/index.asp