Electronic apparatus, screen information output method and computer-readable storage medium

A non-transitory computer-readable storage medium which stores a program which, when executed by a computer, causes the computer to perform a process comprising:

• a display procedure causing the computer to display on a display part a plurality of screen information stored in a storage part, including an incoming call screen information;
• and
• an output control procedure causing the computer to output an outside of the computer arbitrary screen information that is to be output to the outside, amongst the screen information stored in the storage part, and to display the arbitrary screen information on the display part, when an external output function is set to an ON state,
• wherein the output control procedure causes the computer to automatically set a voice mail service function to an ON state when the external output function is set to the ON state, so that the computer behaves as if the computer were out of communication range and an incoming call is received by a voice mail service center in place of the computer when the voice mail service function is set to the ON state.