Abstract: Portable wireless communication terminals such as cellular phones are equipped with features that are useful in controlling an operational mode in response to termination attempts according to a predetermined set of rules. When the rules are satisfied, the mode switch process in the remote cellular phone is able to change its operational mode without establishing a line connection. In addition, the remote cellular phone is also able to display a predetermined message such as contact information that is helpful in returning a lost cellular phone to an owner.

Abstract: By automatically registering a related key word when a received message is displayed, past e-mail messages related to the received message can be selected by single-clicking.

Abstract: A message communication device, typically a mobile telephone, includes menu information creating means that creates menu information including received message sender identification information listed in a prescribed order for display to the user and accept means that accepts user designation of items among the sender identification information to be subjected to prescribed processing.