1. Goto “Start–>Control Panel”
2. Click on “Network Connections”
3. Under header “Network tasks” click on “Create a connection to the network at your workspace”.
4. Now you will get “New Connection Wizard dialog box, select “Dial-up connection” & click next.
5. Dialog will ask for “Connection Name”, give whatever you would like to. I had given “airtelgprs”.
6. It asks for “Phone Number”, enter number as “*99#”
7. If you want select to put a shortcut on desktop (Preferred) & finish setup.
8. Open device manager -> select modem-> right click and select properties.
9. Select the "Advanced" tab and in the "Initialization command" box enter the following :
AT+CGDCONT=1,"ip","airtelgprs.com"
On Mobile create a APN with the following details for mobile office :
1. Go to Settings-> Connection->Create an access point.
Access point name : airtelgprs.com
Authentication : Normal
Save the APN
Run the shortcut u created on ur desktop it shd work now