The user must have Microsoft Internet Explorer 5.0 or higher (not Netscape). Their PC must also have multimedia sound capabilities. The user must also have a mailbox on the voicemail system. The name of their mailbox is requested when the user browses the campaign messages.
During installation of the Campaign Web Component, the root address of the web server is requested. A folder called "campaign" is then added to that root. The web address for browsing will normally be set up as a link from a page within a company intranet rather than typed directly by users.
Note that access must be via http: and not network file routing.