| 摘要 |
PROBLEM TO BE SOLVED: To allow the composite device of a portable telephone set and a global positioning system(GPS) to automatically control unconditional call transmission/reception of the portable telephone set by the GPS. SOLUTION: This portable telephone set with GPS, that is a compound device of a portable telephone set and a GPS, is provided with a position information detection section 21, a map information storage section 27, a setting information storage section 2a and a telephone line incoming/outgoing call control section 26. Thus, speed information and position information are acquired to control a telephone line communication function of the portable telephone set based on the information, thereby controlling unconditional call transmission/reception in the case that the environment to the user has changed. |
