Setting up MacPPP
Step One: We first need to select PPP or MacPPP from the Control Panel menu.
The following window should appear:

Step Two:
In the Password field, you need to enter the password that you requested at signup. (once again - making sure everything is lowercase with no spaces)
The Number is the local area dialup for your prefix - this should be supplied during signup.
Once you have all of the required information inserted, click the Options button, and you should receive a box similar to this:

You can set the remainders options to whatever may suit your needs.
Once you have finished setting your preferences, press Ok to continue.

Also make sure that the Use TCP header compression option is checked.
Click the Ok button to close your settings box - and you have successfully set up MacPPP.