To provide a communication device capable of being made connectable to another interface even when becoming unconnectable to a certain interface, in a communication device including a plurality of global interfaces.
This communication device includes: network connection interfaces 11, 12; a network management section 10 for managing a network connection interface used for communicating with another terminal B; and an e-mail creation-transmission APL 15 for transmitting e-mail to the other terminal B. Here, one or more communicable network connection interfaces are identified based on priority set for every network connection interface, and effectiveness of an IP address allowing connection to each network connection interface, and e-mail for notifying the address of the identified network connection interface is transmitted to the other terminal B.
Kiyoshi Yasushima
Takanashi Norio
Motoki Shandong