iPhone Generation : 3G
Unlocked? (or Part Number): Singtel Set Unlocked
Current Firmware : 3.0
iTunes Version : 8.2.1
PC/MAC : PC
Jailbreaking software : Nil
Problem Encountered : Unable to set the voice mail for celcom
Steps Taken So Far : entered *5005*86*1313# yet, still voice mail call fail after pressing the voice button
Screenshot of Problem(if applicable) : err...
Other Information/Remarks : i have no other idea on what other way to set the voice mail number...