Citrix MetaFrame Application for Windows 1.8 Administrator's Manual page 42

8. The Modems Properties dialog box appears.
To change the configuration of an existing modem, select the modem and click
Properties. To add another modem, click Add and repeat Steps 1 through 5.
When you are finished, click Close and then click Next in the TAPI Modem
Setup dialog box.
Use unattended setup to install or upgrade MetaFrame without operator
intervention.
Unattended setup uses an optional answer file to provide answers to the questions
asked during Setup. If you do not use an answer file, or if you use an answer file
but do not specify answers to some questions, default answers are used for those
questions.
The default answers used are:
u
No licenses are added
u
ICA connections are configured for all network protocols already configured in
Terminal Server
u
Asynchronous ICA connections are configured for all modems already
configured in the Modems control panel
u
Server drives are not reassigned