Firstly, after done with OpenWRT reflashing, backup your current setting of OpenWRT box. Assuming you already performed the firmware upgrade. The following will assist you to configure it to be
Day: August 5, 2012
Celcom3g ~ MMS SettingCelcom3g ~ MMS Setting
Well, I keep losing this setting.. ;) This is crucial setting to get the MMS / 3G VideoCall to work .. over HSDPA of Celcom3G services.