Apple QuickTime Conferencing ISDN Kit - Manual (Page 13)

Once you select the call type, you may be asked to type your user name.
After you type your name and click OK, you’ll see a message asking if you
want to go directly to Apple Media Conference Guide, an Apple Guide online
help system.
Click Yes to see instructions that will lead you through setting up your
equipment and network. These instructions are part of Apple Media
Conference Guide, a complete online reference to answer any questions
you may have about Apple Media Conference. When Apple Media
Conference is the active program, the Apple Media Conference Guide is
available in the Guide (h) menu.
13
Click here to see instructions
for setting up the program.