Turning fixed dialing on my mobile phone on or off
If you want to select the numbers your mobile phone can call, you need to turn on fixed dialing. Once done, you can only call the selected numbers and emergency numbers. Follow these easy instructions.
1. Find "Fixed Dialing Numbers"
Tap the menu icon.
Tap Fixed Dialing Numbers.
2. Turn fixed dialing on or off
Tap Enable FDN or Disable FDN (depending on the current setting).
Key in your PIN2 (default is 0000) and tap OK.
Tap the Home key to return to standby mode.