Abstract: An information processing apparatus for connection to a call control device and a relay device via a communication network is provided. The information processing apparatus includes a log-in requesting unit that sends a log-in request to the relay device; a service setting requesting unit that sends a request for setting service of communication to the relay device if a report indicating that a login is allowed is received, the report being transmitted by the relay device in response to the log-in request; and a service start requesting unit that sends a request for starting the service, via the call control device, between the information processing apparatus and an information processing device that serves as a communication partner. The request includes service identification information for identifying the service and log-in information for using the service transmitted by the relay device in response to the request for setting service.

Abstract: A management system includes a transmission/reception unit configured to receive transmission terminal identification information of a plurality of transmission terminals used for transmitting/receiving content data, a relay device extracting unit configured to specify relay device identification information of a relay device that can be used to be common to the plurality of transmission terminals among the relay device identification information managed by a relay device selection managing unit based on the received transmission terminal identification information, and a selection unit configured to select a relay device based on relay device identification information for which acceptability/unacceptability information managed by the relay device managing unit represents being acceptable among specified relay device identification information as a relay device relaying transmission/reception of the content data.

Abstract: A control apparatus determines one of a plurality of relay devices as a representative relay device to manage a relay destination of content data in a session to be established. In response to receiving a request for starting relay of content data, from a communication terminal, the control apparatus transmits, with a request for starting relay of content data, relay device identification information for identifying the representative relay device to a relay device connected to the communication terminal, to cause the relay device to further transmit the request for starting relay of content data to the representative relay device identified with the relay device identification information of the representative relay device.

Abstract: A plurality of control apparatuses each stores, in a memory, relay device identification information for identifying one or more relay devices of a plurality of relay devices available for selection by the control apparatus, and selects, in response to connection of a first communication terminal to the control apparatus, one of the one or more relay devices having the relay device identification information stored in the memory as a first relay device to be connected to the first communication terminal to relay content data for the first communication terminal under control of the control apparatus.

Abstract: A control system includes a plurality of control apparatuses each capable of controlling a first communication terminal connected to the control apparatus. Each control apparatus transmits search information including terminal identification information for identifying a second communication terminal to other control apparatuses of the plurality of control apparatuses, searches for one of the other control apparatuses that is connected to the second communication terminal based on responses that are transmitted from the other control apparatuses in response to the search information, and transmits state information indicating a state of the first communication terminal connected to the control apparatus to the searched control apparatus connected to the second communication terminal.

Abstract: A communications system includes communications terminals connected to a management server.

Abstract: A transmission management apparatus, method, and recording medium are provided, including a memory configured to store address information that associates, for each one of a plurality of request source terminals, request source terminal identification information and candidate counterpart terminal identification information; a receiver configured to receive connection request information from a transmission terminal as the request source terminal; and processing circuitry configured to: determine whether to provide status information of the transmission terminal of another transmission management apparatus, based on information of said another apparatus associated with the at least one candidate counterpart terminal, to generate a determination result when the receiver receives the connection request information, provide the status information of the transmission terminal of said another apparatus based on the determination result, and acquire status information of the at least one candidate counterpart termi

Abstract: A session control system controls establishing a session to transmit contents data between communication terminals, in a communication system including multiple relay management devices managing relaying the contents data transmitted from the communication terminals. The session control system includes a selection unit configured to select one of the relay management devices to manage relaying the contents data, every time the session is to be established; and a transmitter unit configured to transmit selection information representing the relay management device selected by the selection unit, at least to the communication terminals being connected with the relay management devices different from the relay management device selected by the selection unit, among the communication terminals to be participating in the session to be established.

Abstract: A communication management system receives identification information of a first communication terminal, obtains identification information of a candidate second communication terminal that is associated with the identification information of the first communication terminal, and obtains communications protocol information indicating a communications protocol of the candidate second communication terminal using a part of the identification information of the candidate second communication terminal. The communication management system determines whether the communications protocol is the same for the first communication terminal and the candidate second communication terminal, and transmits information based on the determination result.

Abstract: A transmission management apparatus, method, and recording medium are provided, including a memory configured to store address information that associates, for each one of a plurality of request source terminals, request source terminal identification information and candidate counterpart terminal identification information; a receiver configured to receive connection request information from a transmission terminal as the request source terminal; and processing circuitry configured to: determine whether to provide status information of the transmission terminal of another transmission management apparatus, based on information of said another apparatus associated with the at least one candidate counterpart terminal, to generate a determination result when the receiver receives the connection request information, provide the status information of the transmission terminal of said another apparatus based on the determination result, and acquire status information of the at least one candidate counterpart termi

Abstract: A communication system is provided that includes a communication terminal that stores at least one program and a plurality of update apparatuses that provide update data for updating the program to the communication terminal. The communication terminal includes a memory that stores update apparatus information associated with communication bandwidth information, and processing circuitry that calculates an actual bandwidth obtained from a previous downloading of previous update data, determines an update apparatus for downloading next update data based on the calculated actual bandwidth and the update apparatus information stored in the memory, and downloads the next update data from the determined update apparatus.

Abstract: A transmission management system manages, for items of transmission terminal identification information for identifying transmission terminals, respectively, relay apparatus identification information for identifying relay apparatuses capable of relaying content data transmitted from each of transmission terminals; receives, from the transmission terminal acting as a request source, items of the terminal identification information for identifying the transmission terminal acting as the request source and the transmission terminal acting as a destination, respectively; searches the relay apparatus identification information based on the received items of the terminal identification information for identifying the transmission terminals acting as the request source and the destination, respectively, and extracts items of the relay apparatus identification information each being common to the items of the transmission terminal acting as the request source and the destination, respectively.

Abstract: A communication management system receives identification information of a first communication terminal, obtains identification information of a candidate second communication terminal that is associated with the identification information of the first communication terminal, and obtains communications protocol information indicating a communications protocol of the candidate second communication terminal using a part of the identification information of the candidate second communication terminal. The communication management system determines whether the communications protocol is the same for the first communication terminal and the candidate second communication terminal, and transmits information based on the determination result.

Abstract: Example embodiments of the present invention include a communication terminal, a communication method, and a communication control program stored on a non-transitory recording medium, each of which is capable of communicating with a counterpart terminal via a network. The communication terminal transmits identification information that identifies an image forming apparatus to a communication management system, during when the communication terminal is communicating with a counterpart communication terminal. The communication terminal transmits image data, which is converted to be compatible with the image forming apparatus based on capability information, to the image forming apparatus through the network.

Abstract: Example embodiments of the present invention include a communication terminal, a communication method, and a communication control program stored on a non-transitory recording medium, each of which is capable of communicating with a counterpart terminal via a network. While communicating with a counterpart communication terminal being a first counterpart terminal, the communication terminal displays, on a display, second-terminal-specific information regarding an image forming apparatus as a candidate of a second counterpart terminal. In response to a user instruction that selects the image forming apparatus as the second counterpart terminal, the communication terminal communicates with the selected image forming apparatus to transmit image data to the selected image forming apparatus through the network.

Abstract: A transmission management system manages, for items of transmission terminal identification information for identifying transmission terminals, respectively, relay apparatus identification information for identifying relay apparatuses capable of relaying content data transmitted from each of transmission terminals; receives, from the transmission terminal acting as a request source, items of the terminal identification information for identifying the transmission terminal acting as the request source and the transmission terminal acting as a destination, respectively; searches the relay apparatus identification information based on the received items of the terminal identification information for identifying the transmission terminals acting as the re-quest source and the destination, respectively, and extracts items of the relay apparatus identification information each being common to the items of the transmission terminal acting as the request source and the destination, respectively.

Abstract: A mobile terminal includes a destination specifying unit which is configured to specify a communication destination. A server connection unit is configured to connect the mobile terminal with a history server which manages communication history. A history information acquisition unit is configured to transmit a request to the history server through the server connection unit and to acquire history information having a metadata described in a structured language and containing an update information of a communication history of the communication destination, specified by the destination specifying unit, from the history server through the server connection unit.

Abstract: A method for generating metadata, the metadata being described in a document language, the method includes a step of obtaining contents from a contents holding part, the contents including an image being a subject of the metadata; a step of analyzing a request for metadata delivery from an opponent for delivery via a network; a step of determining necessity for adding a user interface to a designated operation based on a result of analysis of the request for the metadata delivery; and a step of adding data to the metadata delivered to a requester via a network in a case where it is determined that adding the user interface to the designated operation is necessary, the data being for generating the user interface for the designated operation.