GPRS Internet access on PC via bluetooth

Here's a guide to have PC's Internet connection using GPRS via Bluetooth.

To get a good connection, first go to the Setting of the extra modem (control panel-> phone & modem -> properties -> advanced.)
Type the code of the extra modem..
ie, the setting of extra modem of nokia :

at+cgdcont=1,"IP","www.indosat-m3.net" (im3 card)

at+cgdcont=1,"IP"," satelindogprs.com" (mentari/matrix card)

at+cgdcont=1,"IP","telkomsel.com" (as/simpati/halo card)

As for the dial number, chose among:
Nokia *99#
Siemens *99***1#
Samsung *99***1#
Motorola *99***2#
Ericsson *99***3#

extra setting / advance setting :

Nokia: at+cgdcont=1,"IP","[APN]"
Siemens: at+cgdcont=1,"IP"," [APN]"
Samsung: at+cgdcont=1,"IP","[APN]"
Motorola: at+cgdcont=2,"IP","[APN]"
Ericsson: at+cgdcont=3,"IP","[APN]"