Apple GeoPort Telecom Adapter Kit - Manual (Page 109)

What you need
To use Apple Telecom you need
m System 7.1 or later
m one of the following modems (Performa computers already
come with one of these modems.)
GeoPort/Express Modem family
M GeoPort Telecom Adapter
M GeoPort Internal Modem
M Apple Express Modem
Apple Serial Modem family
M supported PC Card modem
To use the drag and drop capabilities of Apple Telecom you
also need
m System 7.5 or later, or the Macintosh Drag & Drop extension
for System 7.1.2
xvii Preface