BlackBerryAsia.com

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.html
1. 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 [...]