User Configuration\Administrative Templates\Windows Components\NetMeeting\Options Page
Disables the Advanced Calling button on the General Options page. Users will not then be able to change the call placement method and the servers used.
Note
The NetMeeting folder containing this policy is created by the Conf.adm administrative template. Conf.adm is included in Windows 2000, but does not load in Group Policy automatically. To display the NetMeeting folder, add the Conf.adm administrative template to Group Policy.