To provide a communication terminal that can make redialing with a simple redial request operation by a user or without the need for user operations.

The communication terminal connected to an ISDN telephone line 115 is provided with a control section 101 that conducts entire operation control, a busy detection section 111 that decides whether or not the opposite party is busy, and a dial storage section 103 that stores dialed dial data. When the communication terminal makes dialing through a free communication line during communication and the opposite party is busy, if the user makes a redial request such as depression of a redial key, the control section 101 reads the dial data stored in the dial storage section 103 and makes redialing. Since the communication terminal cam make redialing with a simple redial request operation, the expense in time and trouble of the user can be saved.