At least one exemplary embodiment is directed to an image transmission apparatus connected to an image pickup apparatus and configured to transmit an image picked up by the image pickup apparatus to a plurality of client terminals via a network. The image transmission apparatus includes a setting unit configured to set a transmission processing mode for transmitting a still image picked up by the image pickup apparatus and a real-time image picked up by the image pickup apparatus and having a resolution lower than that of the still image according to an instruction issued from one of the plurality of client terminals, and a control unit configured to control an instruction to the image pickup apparatus and a transmission processing for the still image and the real-time image according to the transmission processing mode set by the setting unit.

A communication device may receive a first specific signal from a terminal device via an NFC interface, determine whether the first specific signal includes install information, change an operation mode of the NFC interface from Reader mode to CE mode in a case where it is determined that the first specific signal does not include the install information, change the operation mode of the NFC interface from Reader mode to Writer mode in a case where it is determined that the first specific signal includes the install information, supply first identification information to the NFC interface in a case where the NFC interface operates in CE mode, and supply specific information different from the first identification information to the NFC interface in a case where the NFC interface operates in Writer mode.

A wireless communication apparatus that operates on electric power supplied from a battery includes a first wireless communication unit that performs a first wireless communication, a second wireless communication unit that performs a second wireless communication that consumes less electric power than the first wireless communication, a battery's state detection unit that detects a state of the battery, and a first control unit that controls the first wireless communication unit and the second wireless communication unit. The first control unit determines which one of the first wireless communication and the second wireless communication to adopt as a wireless communication that is to be used for communication, on the basis of the state of the battery detected by the battery's state detection unit.

Provided is an image forming apparatus that allows a remote operation terminal to operate an image processing apparatus connected by SIP. On this account, the image forming apparatus (100) connected to the remote operation terminal (300) by SIP includes a remote operation-request message receiving part that receive a remote-operation request message from the remote operation terminal (300), a remote-operation response message transmitting part that transmits a remote-operation response message in response to the remote-operation request message, and an operation-screen information transmitting part that transmits operation screen information of the image forming apparatus (100) to the remote operation terminal (300) in accordance with the communication condition of the communication session when an SIP-based communication session is established between the remote operation terminal (300) and the image forming apparatus (100).

Provided is an image forming apparatus that allows a remote operation terminal to operate an image processing apparatus connected by SIP. On this account, the image forming apparatus (100) connected to the remote operation terminal (300) by SIP includes a remote operation-request message receiving part that receive a remote-operation request message from the remote operation terminal (300), a remote-operation response message transmitting part that transmits a remote-operation response message in response to the remote-operation request message, and an operation-screen information transmitting part that transmits operation screen information of the image forming apparatus (100) to the remote operation terminal (300) in accordance with the communication condition of the communication session when an SIP-based communication session is established between the remote operation terminal (300) and the image forming apparatus (100).