You can try this link. I copy it from *** and modify it so suit the Celcom's Malaysia setting.
http://www.mattsilverman.com/2007/11/black...p-modem-in.html1. If you have not already, download and install the Blackberry Desktop Software.
2. Go to the Windows Device manager. Quickest way: Start > Run > devmgmt.msc
3. Click + button next to Modems, double click “Standard Modem”
4. Click the Advanced tab
5. Enter this into the empty box (no leading space): +cgdcont=1,"IP","celcom3g"
6. Hit Okay, and close device manager.
7. Go to network connections. Quickest way: Start > Run >
Paste in the following line and hit enter:
explorer.exe ::{7007ACC7-3202-11D1-AAD2-00805FC1270E}
8. Click Create a new connection on the left, and follow these steps:
1. Welcome to … Wizard –> Next
2. [Select] Connect to internet –> Next
3. [Select] Set up my connection manually –> Next
4. [Select] Connect using a dial-up modem
5. Type in a connection name of your choice (example: ATT dialup) –> Next
6. Enter this as the phone number: *99# –> Next
7. Enter user name (ALL CAPS): guest
8. No Password
–> Next/Finish
9. Open the desktop manager and plug in your Blackberry via the USB cable. Make sure it detects the Blackberry as connected.
10. Go back to your network connections window (step 7), and double click the new ATT Dialup icon.
11. Your password, username, and dialup number should already be saved. Just click “Dial”