To find out what version of Mac your running. Click on the Apple icon in the upper left hand corner and then click on About This Mac. From there a small window will pop-up displaying your version.
Click on the Apple menu
Click on System Preferences...
Click on the Network icon.
On the Main Screen
Configure: Internal Modem ( If you have an internal modem )
Under the TCP/IP
Configure: Using PPP
Domain Name Servers 188.8.131.52
Search Domains Leave Blank
Under the PPP
Service Provider: glis.net
Type in the phone number for your area in the blank field.
To locate a access number click here. Access Numbers
Type in your username
Type in your password
Remember! Username and Password are case-sensitive.
Check Save password
Click the PPP Options...
button. Screen shot shown below
Under the Modem
Modem: Select your modem.
Select either On
Dialing: Select either Tone or Pulse, the correct option your phone using.
Check Wait for dial tone before dialing.
Click the Save button.
By clicking on any Internet program will bring up the connection screen.
Just click the Connect