Configure a dialup account in OS 9

From the Apple menu, click Control Panels, and then click Remote Access. The window shown below should appear.

Fill in the form as follows:

Now, click the Apple menu, click Control Panels, and then click TCP/IP. The window shown below should appear.

Make sure that “Connect via PPP” is selected, and then you may close this window, again saving any changes you made. You’re done!