GPRS connectivity software

[C# Programming]

Anyone has any idea how can we establish a GPRS connection on a computer using a GSM modem. I know that creating a RAS connection would do the job and i am currently using the same method using RAS api, but i want to connect to GPRS through my application and establish a connection that other applications can use.
Something just like the dialer software that come with the GSM modems.....so any ideas on this one?

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Sufian Mehmood Sheikh
sufian@my.web.pk