Mobile telephone with priority control function

The mobile telephone with plural functions including a calling function comprises an overall control unit 110 , a transmission-reception control unit 120 , a line occupancy priority control unit 130 including a priority designation operation control unit 132 , an input unit 140 including a function priority order setup unit 142 , a display 150 , a memory 160 , and a power control unit 170 , said mobile telephone further comprising a function to prioritize the operation of a selected function over the other functions.