Abstract: A method for changing a communication network for video communication is provided. The method includes performing, by a user equipment (UE), video communication through a mobile communication network; searching for whether there is a wireless local area network (WLAN) accessible by the UE; displaying, if a WLAN accessible by the UE is found, the accessible WLAN; and when the displayed WLAN is selected by a user, changing a communication network for the video communication to perform the video communication through the selected WLAN.

Abstract: A method for changing a communication network for video communication is provided. The method includes performing, by a user equipment (UE), video communication through a mobile communication network; searching for whether there is a wireless local area network (WLAN) accessible by the UE; displaying, if a WLAN accessible by the UE is found, the accessible WLAN; and when the displayed WLAN is selected by a user, changing a communication network for the video communication to perform the video communication through the selected WLAN.

Abstract: A method for changing a communication network for video communication is provided. The method includes performing, by a user equipment (UE), video communication through a mobile communication network; searching for whether there is a wireless local area network (WLAN) accessible by the UE; displaying, if a WLAN accessible by the UE is found, the accessible WLAN; and when the displayed WLAN is selected by a user, changing a communication network for the video communication to perform the video communication through the selected WLAN.

Abstract: A method for changing a communication network for video communication is provided. The method includes performing, by a user equipment (UE), video communication through a mobile communication network; searching for whether there is a wireless local area network (WLAN) accessible by the UE; displaying, if a WLAN accessible by the UE is found, the accessible WLAN; and when the displayed WLAN is selected by a user, changing a communication network for the video communication to perform the video communication through the selected WLAN.

Abstract: A method for changing a communication network for video communication is provided. The method includes performing, by a user equipment (UE), video communication through a mobile communication network; searching for whether there is a wireless local area network (WLAN) accessible by the UE; displaying, if a WLAN accessible by the UE is found, the accessible WLAN; and when the displayed WLAN is selected by a user, changing a communication network for the video communication to perform the video communication through the selected WLAN.

Abstract: A user interface (UI)-providing system and method for device control are provided. The User Interface (UI) providing method, the method includes: identifying at least one controlled devices relating to an activity mode selected by a user; collecting control information relating to functions provided by the identified at least one controlled devices; and generating a UI used to control the at least one controlled devices relating to the activity mode based on the collected control information.

Abstract: A method for changing a communication network for video communication is provided. The method includes performing, by a user equipment (UE), video communication through a mobile communication network; searching for whether there is a wireless local area network (WLAN) accessible by the UE; displaying, if a WLAN accessible by the UE is found, the accessible WLAN; and when the displayed WLAN is selected by a user, changing a communication network for the video communication to perform the video communication through the selected WLAN.

Abstract: A user interface (UI)-providing system and method for device control are provided. The User Interface (UI) providing method, the method includes: identifying at least one controlled devices relating to an activity mode selected by a user; collecting control information relating to functions provided by the identified at least one controlled devices; and generating a UI used to control the at least one controlled devices relating to the activity mode based on the collected control information.

Abstract: A method for changing a communication network for video communication is provided. The method includes performing, by a User Equipment (UE), video communication through a mobile communication network; searching for whether there is a Wireless Local Area Network (WLAN) accessible by the UE; displaying, if a WLAN accessible by the UE is found, the accessible WLAN; and when the displayed WLAN is selected by a user, changing a communication network for the video communication to perform the video communication through the selected WLAN.

Abstract: A method for changing a communication network for video communication is provided. The method includes performing, by a user equipment (UE), video communication through a mobile communication network; searching for whether there is a wireless local area network (WLAN) accessible by the UE; displaying, if a WLAN accessible by the UE is found, the accessible WLAN; and when the displayed WLAN is selected by a user, changing a communication network for the video communication to perform the video communication through the selected WLAN.

Abstract: A method of switching operation modes in a mobile device is provided. The method includes receiving information regarding a place, from at least one nearby external device, determining a place property of the place by using the information regarding the place, and switching a current operation mode to an operation mode corresponding to the determined place property of the place.

Abstract: A method for changing a communication network for video communication is provided. The method includes performing, by a User Equipment (UE), video communication through a mobile communication network; searching for whether there is a Wireless Local Area Network (WLAN) accessible by the UE; displaying, if a WLAN accessible by the UE is found, the accessible WLAN; and when the displayed WLAN is selected by a user, changing a communication network for the video communication to perform the video communication through the selected WLAN.

Abstract: An electronic apparatus is provided. The electronic apparatus includes a display, an input device configured to receive user identification information, a sensor configured to sense characteristics of food placed on the electronic apparatus, and a processor configured to control to the display to display a user dietary guide based on user information corresponding to the user identification information and the characteristics of food.

Abstract: A method of switching operation modes in a mobile device is provided. The method includes receiving current location information; determining an on-the-map location corresponding to the current location information; extracting a location property of the determined on-the-map location; and setting an operation mode of the mobile device based on the extracted location property.

Abstract: A method for providing content where one device from among a plurality of devices is determined as a device to transmit the content to, based on the attribute of the requested content. Accordingly, device utilization is optimized by providing the content to the device with the highest priority to play back the content based on the attribute of the content.

Abstract: A method for changing a communication network for video communication is provided. The method includes performing, by a User Equipment (UE), video communication through a mobile communication network; searching for whether there is a Wireless Local Area Network (WLAN) accessible by the UE; displaying, if a WLAN accessible by the UE is found, the accessible WLAN; and when the displayed WLAN is selected by a user, changing a communication network for the video communication to perform the video communication through the selected WLAN.

Abstract: A method of wirelessly connecting a first device to a target device is provided. The method includes searching for at least one device located in an orientation region of the first device, when a first input signal is received, determining the target device based on a direction that the first device is oriented, performing a wireless connection with the target device, and determining whether to maintain the wireless connection with the target device, when a second input signal is received.

Abstract: A service providing method including transmitting user ID information to a service terminal, receiving first service information from a server, and controlling a user terminal to provide a service using received first service information.

Abstract: A methods and apparatus for transmitting data are provided. The method includes receiving a call signal to be transmitted to a receiver including sender and receiver information associated with the call signal from a sender; confirming a relationship between the sender and the receiver that exists in at least one server; requesting sender data associated with the sender from the at least one server to which the sender is subscribed based on the relationship between the sender and the receiver to the at least one server; receiving the requested sender data from the at least one server; and transmitting the received sender data to the receiver.

Abstract: A terminal device is provided. The terminal device includes a communication interface unit configured to receive image data of an application installed in another terminal device that is streamed from the another terminal device, a display unit configured to display the image data, a control unit configured to receive an installation file associated with the application through the communication interface unit while the image data is being displayed, and to execute the received installation file when authentication of the installation file is completed, and a storage unit configured to allow the application to be installed therein according to execution of the installation file.