Connecting through GPRS using Wavecom Q2426B using PC dialup

I am trying to connect using my wavecom device through GPRS using AT commands.
I am trying to run a basic application Hello World and give AT commands to test my GPRS connectivity. I have done the basic setup including
From my PC, I am trying to connect to GPRS using a dialup connectiion through my COM port. Has anyone tried it before? I am not able to make it go through the COM1 port. It is always taking it through the AC97 modem in my PC. Please let me know if you have tried it before.