In order to use GPRS you need a compatible phone and to have GPRS service activated. You can activate it by entering the settings yourself.
Enter the Access Point Name (APN)
Prepaid Customer: ppwap
Postpaid Customer: www.dialogsl.com
Enter Session mode as Permanent with no user name and password
Enter website as www.dialogwap.com (separation should be full stop not comma)
GPRS setting vary from phone to phone. On a case by case basis you can add the following settings:
Case 1: Enter the Gateway IP as 192.168.122.2
Case 2: Enter the Proxy IP as 192.168.122.2 and port 8080
Case 3: Enter the Gateway IP as 192.168.122.2 and port 9201