A remote support system comprising a user terminal , a different user terminal and an operator server , where the user terminal which includes a call function and the different user terminal are communicably connected to the operator server through a public line network, where the user terminal and the different user terminal have the same functions so that the user terminal is configurable to serve as a supportee terminal that receives remote support from the different user terminal or to serve as an operator terminal that provides remote support to the different user terminal , the user terminal and the different user terminal comprising: electronic device detecting means for detecting an electronic device that is connected to a local area network to which the user terminal is connected; electronic device determining means for determining device type information of the detected electronic device; operator assisting means for perfoming one of checking of device status and assisting manipulation of the electronic device user terminal registering means for registering information of at least one different user terminal performing remote support, associated with information related to an owner of the different user terminal, in an address book; electronic device registering means for registering the determined device type information of the detected electronic device, associated with information related to an owner of the supportee terminal, in the address book; remote support start means for starting the remote support with respect to the user terminal based on the registered information and information related to the user terminal serving as a call counterpart while the call function is used, user terminal selecting means for selecting the electronic device registered by said electronic device registering means from the address book to start communications with the user terminal detecting the electronic device as the supportee terminal; and electronic device support means for performing one of checking of device status and assisting manipulation of the selected electronic device by using said operator assisting means of the user terminal starting the communications by said user terminal selecting means. electronic device detecting means for detecting an electronic device that is connected to a local area network to which the user terminal is connected; electronic device determining means for determining device type information of the detected electronic device; operator assisting means for perfoming one of checking of device status and assisting manipulation of the electronic device user terminal registering means for registering information of at least one different user terminal performing remote support, associated with information related to an owner of the different user terminal, in an address book; electronic device registering means for registering the determined device type information of the detected electronic device, associated with information related to an owner of the supportee terminal, in the address book; remote support start means for starting the remote support with respect to the user terminal based on the registered information and information related to the user terminal serving as a call counterpart while the call function is used, user terminal selecting means for selecting the electronic device registered by said electronic device registering means from the address book to start communications with the user terminal detecting the electronic device as the supportee terminal; and electronic device support means for performing one of checking of device status and assisting manipulation of the selected electronic device by using said operator assisting means of the user terminal starting the communications by said user terminal selecting means. <EOS>