To quickly judge a communicatable communication system and to clearly recognize the states and set contents of plural communication systems and their mutual relation by displaying only display elements corresponding to practically usable communication systems out of plural ones on a display means.
At the time of starting the display of communication systems, the display elements only for practically usable communication systems under service are displayed from left to right in accordance with priority and a communication system having the highest priority is selected. In the case of temporarily making a telephone call by 'portable telephone system(PTS)' on a place such as the inside of a running train where the application of 'PHS' is not suitable when 'PHS' is the 1st priority and 'PTS' is the 2nd priority for instance, the communication system is automatically returned to 'PHS' or 'PTS' at the end of talking or facsimile communication and a communication system to be usually used at high frequency is selected, so that user s convenience can be improved.
ARAI YUJI
YAMAMOTO SHINSUKE
WATANABE YASUSHI
| JPH06343189A | 1994-12-13 | |||
| JPH09149455A | 1997-06-06 | |||
| JPH01220922A | 1989-09-04 | |||
| JPH07226974A | 1995-08-22 | |||
| JPH09215033A | 1997-08-15 |