Abstract: A file sharing method includes: transferring content information related to a to-be-shared file to an address mapping server; and the address mapping server providing an accessible address mapped to the to-be-shared file according to the content information. One advantage of using the above file sharing method is that the user who wants to share files does not need to apply network space and upload the files beforehand.

Abstract: The invention provides an automatic file saving method for a digital home appliance system. A storage position for saving a multimedia file is automatically selected based on collected information related to the multimedia files. In addition, the file size in the digital home appliance system also may be recorded, and when a limited file size is reached, the backup operation may be executed automatically.

Abstract: A telephone system integrated with an electronic device includes a mobile end and a base end. The mobile end includes a phone unit for generating voice data, a remote control unit for generating a control signal, and a first wireless communication unit coupled to the phone unit and the remote control unit, for wirelessly transmitting the voice data and a control command according to the control signal. The base end includes a second wireless communication unit for wirelessly receiving the voice data, a network unit coupled to the second wireless communication unit, for transmitting packets of the voice data through a network for establishing a communication connection between the phone unit and a destination, and a control unit coupled to the second wireless communication unit, for receiving the control command outputted from the first wireless communication unit through the second wireless communication unit for controlling the electronic device.