Cd #2 has all the voice board/TAPI/WAV driver files on it. I if you didn't need to update your drivers (or you're using beta Cisco drivers directly from us) you wouldn't need to use that CD.
Cd #3 has the fax server configuration stuff on it. It'll only ask for that if you have ActiveFax on your security key.
Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community: