F_ALLOWEXTENSION="Allow extension"
F_QRSIZE="QR code size (px)"
F_SHOWQR="Show QR code"
T_COUNTRY="Country"
T_EXTENSION="Ext"
T_QR="Telephone QR"
T_REGION="Region"
T_TEL="Telephone"
F_OUTPUTPATTERN_COUNTRY="Format Country"
F_OUTPUTPATTERN_AREA="Format area code"
F_OUTPUTPATTERN_PHONE="Format telephone"
F_OUTPUTPATTERN_EXT="Format extension number"