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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 dialling mode"
Scroll to Settings and press OK.
Scroll to Security and press OK.
Scroll to Fixed dialling mode and press OK.
Turn fixed dialling on or off
Highlight On or Off and press OK.
Key in your PIN2 and press OK.
Press Disconnect to return to standby mode.