1. Find "Fixed dialling numbers"
Press the Navigation key.
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Select the settings icon.
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Select Network & Connectivity.
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Select Calling FDN.
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Select Fixed Dialling Numbers.
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2. Turn on fixed dialling
Select Fixed dialling numbers.
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Select On to turn on the function.
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3. Turn off fixed dialling
Select Fixed dialling numbers.
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Select Off to turn off the function.
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4. Return to the home screen
Press Disconnect several times to return to the home screen.
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