it is about my project

i am doing a project where i am sending password and uname using mobil phone over GPRS
to My pc.
The user is not logged in but automatically use the uname and password to log in.

it is like remote aunthentication

the problem is that i do not know how to connect to internet befor logging in

can any body tell me hpw to connect to internet
using GPRS modem to internet