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Fixed dialling allows you to select which numbers can be called from your phone. When fixed dialling is turned on, you can only make calls to your fixed numbers and to emergency numbers. Follow these instructions to turn fixed dialling on or off.
Find "Fixed Dialing Numbers"
Press Call settings.
Press Fixed Dialing Numbers.
Turn fixed dialling on or off
Press Enable FDN or Disable FDN (depending on the current setting).
Key in your PIN2 and press OK.
Press the Home key to return to standby mode.