A mobile communication managing apparatus for managing communication of communication data between a mobile communication terminal and a communication apparatus, the mobile communication managing apparatus comprising: - a mobile communication terminal side receiving section which receives the communication data that are assigned with two kinds of addresses including a mobile communication terminal identification address for identifying the mobile communication terminal and a communication interface identification address for identifying a communication interface of the mobile communication terminal, from the mobile communication terminal; - an address storing section which is adapted to store the mobile terminal identification address and the communication interface identification address read out from the received communication data by the mobile communication managing apparatus in an address storing section while being associated with each other; - a communication apparatus side transmitting section which transmits the communication data received by the mobile communication terminal side receiving section to the communication apparatus; - a communication apparatus side receiving section which receives the communication data being assigned with a mobile communication terminal identification address from the communication apparatus; - a communication interface detecting section which detects a communication interface identification address that corresponds to the mobile communication terminal identification address being assigned to the communication data received by the communication apparatus side receiving section based on the address storing section in which the mobile terminal identification address and the communication interface identification address of the mobile communication terminal are associated with each other; and - a mobile communication terminal side transmitting section which transmits the communication data using the communication interface identification address detected by the communication interface detecting section. - a mobile communication terminal side receiving section which receives the communication data that are assigned with two kinds of addresses including a mobile communication terminal identification address for identifying the mobile communication terminal and a communication interface identification address for identifying a communication interface of the mobile communication terminal, from the mobile communication terminal; - an address storing section which is adapted to store the mobile terminal identification address and the communication interface identification address read out from the received communication data by the mobile communication managing apparatus in an address storing section while being associated with each other; - a communication apparatus side transmitting section which transmits the communication data received by the mobile communication terminal side receiving section to the communication apparatus; - a communication apparatus side receiving section which receives the communication data being assigned with a mobile communication terminal identification address from the communication apparatus; - a communication interface detecting section which detects a communication interface identification address that corresponds to the mobile communication terminal identification address being assigned to the communication data received by the communication apparatus side receiving section based on the address storing section in which the mobile terminal identification address and the communication interface identification address of the mobile communication terminal are associated with each other; and - a mobile communication terminal side transmitting section which transmits the communication data using the communication interface identification address detected by the communication interface detecting section.