Telephone whose setting details can be changed, and telephone capable of changing settings of called telephone

Abstract

The present invention is directed to technology relating to a telephone whose settings can be changed and a telephone capable of changing settings of a called telephone. A portable cellular phone includes function setting request receiving means for receiving from the calling telephone a function setting request added to call setting information, setting changing means capable of changing setting details according to the function setting request received by the function setting request receiving means, and control means capable of refusing the function setting request to change the settings received from the setting changing means, when the function setting request is not acceptable. By means of this configuration, the portable cellular phone enables the user of the called telephone to select whether or not to allow the calling telephone to change settings regarding a ring tone or activation/deactivation of a call vibrator of the called telephone, thereby avoiding inconvenient changing of settings, and permits changing of settings without introducing an element of inconvenience.